Pacific Wax Myrtle: resilient native evergreen

Posted on by jeanmariemorelli.com

Pacific wax myrtle, Morella californica, is native to the coastal areas of Washington state and south to California. It is considered on of the best evergreen native shrubs for our gardens. Although the flowers are inconspicuous, the waxy black fruits are popular with birds. Knock-on-wood it is still deer resistant.

This hardy native is adaptable to many conditions from full sun to shade. Although it prefers moist, well-drained soil, it can grow in a variety of soils. The root nodules have nitrogen-fixing microorganisms that allow the plant to grow in poor soil.

Hedge row
Mature shrub
Different stages of growth
Mature fruit

Once established it is completely drought tolerant. It will grow to 30 feet tall and 15 feet wide in thirty years. For the average size garden, pruning will keep it within bounds. Late winter is best for heavy pruning, then general shaping can be made with heading-back cuts through out the season. This remarkable shrub can be pruned as a formal hedge, a loose screen or even a small tree. As a screening hedge, Pacific Wax Myrtle provides habitat for a multitude of birds including Spotted towhee, several sparrows, northern flicker, robin, goldfinch and cedar wax-wing. The latter are especially delightful in winter when small flocks gather on the shrubs. The waxy berries provide vegan fat in the winter.

Morella californica blooming in May

Pacific wax myrtle is slow to grow at first and once established, it grows steadily. Here the tiny flowers are blooming. Within these red catkins are separate male and female flowers. To see a close up and more photos go to the OSU landscape plant descriptions. This website provides excellent plant descriptions. I have not found anything like it in Washington.

For the longest time I didn’t think any disease bothered this shrub, but I noticed some foliage die back and even some stems turning brown. The Pacific Northwest Pest Management Handbook describes a type of leaf blight caused by a phytopthera that only bothers this species. This fungal-like organism was first identified as a pest in 2009 on the Oregon coast. I have been growing several shrubs at my place for thirty years and have only noticed it recently. Some ways to prevent spreading the disease:

  • Avoid overhead watering.
  • Mulch with arborist chips
  • Increase air circulation at the base of the plant by removing weeds or other vegetation.
  • Remove any diseased plant material and throw it in the garbage, don’t compost it,
  • Don’t over-fertilize and don’t fertilize late in the season.
  • Sanitize tools with isopropyl alcohol, or prepare a mix of 1 part bleach to 9 parts water. Dip tool or wipe with moistened rag.
  • Water to get the shrub established and then only monthly during summers to grow a hedge or screen.

The leaves make a pleasant tasting tea that is medicinal. The active medicinal substances include an astringent resin. The root and bark can be tinctured and used for inflamed gums according to Michael Moore’s Medicinal Plants of the Pacific West. The plant’s botanical name was changed in 2006. Previously it was known as Myrica californica.

A native plant adaptable to sun or shade and varying soil conditions, one that can synthesize it’s own nitrogen is bound to be more resilient!

Rainshadow Gardening on glacial sediments

Posted on by jeanmariemorelli.com

Looking at the natural history of our area deepens our sense of place and helps us grow more resilient gardens. Climate, geology and ecology have shaped the land. Tinker would always comment on the landslides along the bluff between North Beach Park and Point Wilson lighthouse. She enjoyed reading the landscape and imagining the geologic forces at work.

By looking at the bluff, we see what is below the surface of much of Quimper Peninsula, and begin to understand our soils. The above photo shows layers of deposited sediment.

Just imagine—a massive sheet of ice 3,000 ft deep covered East Jefferson County, 15,000 years ago. This last glacier bulldozed and deposited rocks, gravel, and sand. The beach bluffs reveal that much of our soil is glacial deposits. There are pockets of clay, sand and a bit of sandy loam. The thin topsoil is often sandy, gravelly loam. If this intrigues you, check out the Quimper Geological Society!

If you have ever felt your garden soil is not as good as it could be, you are not alone! Most areas of the Puget Lowlands are too young for deep topsoil. ( Of course there is prime agricultural land that formed on marine terraces or alluvial outflow from rivers.) A soil profile is a cut through section of the land revealing topsoil, layers of subsoil and  even bedrock. Soil scientists dig profiles to examine the existing soil.

The curious gardener can look online for a digital copy of the 1975 soil survey of the county, where aerial photographs are overlaid with maps roughly indicating soil types and descriptions. I have an old paper copy that I highly value.

Again, this is just a brief summary and I am no expert! The climate working on the land determines the native flora. The Puget Sound area has mild winters and cool dry summers, and is commonly known as a Mediterranean climate. Winter rains tend to be continuous and light to moderate rather than heavy downpours. The marine layer—a deep, low cloud bank is a defining feature.

Rainshadow

What makes our area unique is that the Olympic Mountains block the moisture-laden clouds coming from the Pacific. The west side is a rainforest while the northeast side, in the shadow of the mountains is rainshadow. I have seen native Opuntia fragilis on the Quimper Peninsula and on Whidbey Island. Port Townsend’s average rainfall is around 20 to 23 inches. Often the marine layer breaks apart late in the day.

Prevailing winds  from the Pacific often reach us from the south and southwest. As the clouds move around the Olympics, dumping precipitation from Olympia to Brinnon, they are wrung out by the time they reach Port Townsend. Eastern Jefferson County is largely a peninsula on a peninsula. It juts out to the northeast and catches the winds from the south. Mostly in summer winds blow from the northwest down the Salish Sea.

Arctic Blasts

In general our gardens are more prone to winter damage when arctic blasts roar down through the Fraser River Valley of British Columbia. It used to be that we only needed to track this during El Niño- Southern Oscillation years but the polar vortex is wobbling now and this leads to less predictability. Last winter we had cold temperatures that were the lowest in 30 years. Keeping an eye on the weather allows us to bring out sheets or burlap to cover plants. Even wind-blown Doug fir boughs shield vulnerable plants.

Moving here in 1988, with a background in organic horticulture, I was very curious about weather. Trying to get a grasp on seasonal cycles and weather, I asked many questions. It seemed like every season someone would say “This is the coldest summer” or “This is the wettest spring,” or “Its the driest winter”—I could not find a predictable pattern!

But there were and still are weather trends: Spring came early and lasted until the fourth of July; summer was somewhat predictable for August and September, although any day could become rainy and windy. Then autumn arrived. The snow was visible on the mountains until September. Several people who grew up here said the mountains were always snow-covered when they were children.

What I recall is the first snowfall would brighten the Olympic Mountains by mid-October, and might bring a cold snap to sea level, with occasional early frosts. Then mild weather would return for much of October. Often November would be the rainiest time of the year. Temperatures would get cooler and cooler until a frost. The darkest time of the year was and still is late November, December and January.—the sky colored many shades of gray. But then storms blew in from the south, after wrapping around the Olympics, bringing windy weather and sun-breaks in the dramatic skies. Red flowering currant could bloom as early as mid-February. There does seem to be an increased occurrence of multi-year La Nina. Nature magazine 2023.

Resilient Gardens

Climate change is real and part of gardening is responding to the changes. We live in a place for garden lovers, where flowers can bloom in the winter and a large number of evergreen shrubs thrive. The native vegetation offers a plethora of interesting plants for our gardens. Berries and fruit trees thrive in our mild climate. Winter vegetable gardens provide leeks and greens all winter. Knowing that most soils here are excessively well-drained and that we can’t rely on summer rains, drought-tolerant ornamentals are a smart choice. Tinker respected our rainshadow ecosystem. Here is how she grew resilient gardens:

  • Recognizing the importance of the soil ecosystem
  • Caring for the soil through making compost & sheet mulch
  • Selecting plant varieties that are bred for pest-resistance
  • Growing open-pollinated heirlooms that we can nurture as landraces
  • Developing a strong curiosity about our local weather
  • Committing to living lightly on the Earth, however we define it

Gardening for the Senses

Posted on by jeanmariemorelli.com
Plants with textured foliage invite us to touch or pluck a leaf and stroke it, even caress our face!

Gardens can stimulate or relax us by how they influence the five senses. A relaxing ambiance can come from blending in with the existing natural environment. When we are alive to our senses, we are in the moment. The frargrance of a rose or the soft texture of a leaf slid across the face, contrasting colors in the garden, all influence us through our senses. A repetitive pattern has a soothing or harmonious influence.

Gardens that stimulate and bring the energy up often have bold colors and strong scents. Patterns that contrast and colors that contrast are powerful. Think magenta and orange flowers with combined with chartreuse foliage; ornamental grasses next to large-leaf shrubs like Fatsia; canna lily with ornamental onion, the list goes on! Whimsical garden features like colored globes or blown glass spikes and sculptures with mirrored surfaces all add to an energetic feel. Mahonia media and unusual hebes along with weeping dwarf conifers all add an element of excitement.

Sound

Most of us in Jefferson County are fortunate to live where it is quiet enough to hear natural sounds: wind through conifers, rain on roofs, treefrogs singing, and geese flying overhead. We can create or muffle sounds in the garden. A water feature outside our open window will bubble, gurgle and splash.

Birdsong is another feature we can add to our garden by offering habitat, water and food. Humans have evolved with birds—when they are singing, all is safe. The melodious calls of songbirds encourage us to relax.

Large ornamental grass like Miscanthus grouped together can whisper in the wind. Bamboo make a soft sound as the wind passes through.

Windchimes create different moods. Determine if high-pitch tinkling sounds or deeper, resonant bass notes bring you joy. Listen to different ones to choose. 

Science has shown how auditory input impacts us, based on variation of pitch and length of time the sound The rhythmic sound of water on the shore is similar to the sound of humans breathing thus it is often soothing. When we hear many sounds at once it can be discordant and confusing. We can create a peaceful soundscape by muffling unwanted sounds with hedges and berms.

Scent

Flowers come to mind first when we think of scent—roses and lavender. Other scents include volatile oils in foliage and resins in conifers. Ambient temperature affects how strong the scent is. A sunny day will bring out the aroma of ponderosa pine bark or the resin dripping from a spruce. Walkable groundcovers are prostrate plants that can be placed  in pathways or between stepping stones—in the shade Corsican mint and in sunny spots plant caraway thyme or pink ripple thyme. As you walk past fragrant plants along a pathway brush against them or let your hand glide over the surfaces. Better yet, pinch a bit and bring it to your nose, inhale deeply and set the bit in your pocket.

Scented plants along the path are easily pinched as we walk by, sniffed and placed in one’s pocket

Touch

Don’t forget the tactile dimension of the garden. Many gray foliage plants have textured surfaces of fine hairs to reduce water loss. Lambs ears, Stachys byzantina; giant silver Mullein, Verbascum bombyciferum; and the artemisia are ever so soft. Ferns have feathery foliage as does dwarf Japanese plume cedar, Cryptomeria japonica elegans. Moss is plush.

Taste

Edible flowers in the garden add an element for our tastebuds. The sweet-licorice flavor of anise hyssop, the peppery bite of nasturtium blooms, or the citrus notes of lemon thyme, all add to the multidimensions of the garden.

September Garden Chores

Posted on by jeanmariemorelli.com

The fall equinox is approaching quickly. The weather is changing. Autumn offers opportunities to plant and transplant; the soil retains warmth longer than the air can—a perfect combination for encouraging root growth. With cooler temperatures and short day length, plant growth slows. The roots have a chance to get established without the additional stress of transpiration or pumping water through plant and out the leaf surfaces.

Autumn is a great time to make compost piles with debris from the vegetable garden, perennial plants and deciduous leaves. Some people prefer to leave the dead foliage and seed heads for spring removal allowing insects and birds food and habitat overwinter. Try it, but note that adding garden clean-up to normal spring chores might overwhelm some gardeners.

Edibles

Fruit trees: Most tree fruits are ripe when they come off easily by lifting and twisting the fruit. Take care not to break off the short branch with buds known as a fruit spur. Cut open an apple —ripe seeds are brown. Pears are picked when they are still hard, before they are fully ripe. They soften from the inside out. Asparagus: Let the fronds remain and turn yellow. Cut them back to the ground after a hard frost. If you have an excess of produce, try making sauerkraut or kraut-chi.

Soil Fertility

Soil Samples: Every couple of years it is worthwhile to take a soil sample and get it tested. Although Jefferson Conservation District no longer handles soil testing, they do lend a tool for extracting clean samples and lab suggestions including A&L. I’ve had good luck with Peaceful Valley Farm Supply.

Compost: Build compost piles in bins or free-standing rectangles. All the autumn decaying foliage from the veggie garden, perennials, and deciduous leaves. Add a source of Nitrogen: manure; powdered fish or bloodmeal; or urine.

Mulch shrubs and garden beds for winter protection and weed suppression. The increased organic matter that will eventually feed the soil ecosystem.

Cover-cropping: After removing spent vegetables, rake the soil, add seeds of clover,  field peas, oats, rye, vetch, or fava beans. More information from WSU All seed available at Chimacum Corner.

Pests

Yellow jackets

Recognize yellow jackets and their underground nests. In the autumn listen for buzzing if there are more than two yellow jackets in a location, step back and search the ground for more. Yellow jackets can sting repeatedly. By contrast, bees avoid stinging because it is lethal, it rips out their stinger. Learn to distinguish them.

Spring Bulbs

Plant bulbs and corms now for spring bloom. The earliest bloomers are the small bulbs: snowdrops, crocus, chionodoxa, Siberian squill and winter aconite. Select bulbs that are firm with no signs of injury or mold. If one bulb is lightweight compared to  others, discard it. Plant with root side down and pointy end up. Plant at depth three time the length. Small bulbs often are earliest. See Royal Horticulture Society for more information.

Grain Amaranth

Posted on by jeanmariemorelli.com
Abundant Life Seed Foundation Gardens 1999

Tinker was involved with Abundant Life Seed Garden from its inception in the 1980’s until 2001. She and John Gilardi were garden managers in the latter years. In the above photo, Tinker and an apprentice named Nicole are stripping the flower heads of dried amaranth to remove the seeds. Next steps include winnowing and screening. Later amaranth was one of the crops Tinker experimented with in the dryland farm project.

 Amaranth’s importance is twofold—its super nutritious and easy to grow.

Unlike grains, the seeds of amaranth contain all the necessary amino acids. The protein content is 16 percent, more than rice or wheat. Like quinoa, this offers complete protein for vegans. Amaranth is considered a pseudograin (only plants in the grass or Poaceae family are considered true grains)

Grain Amaranth comes from one of three species. All are white-seeded whereas the leafy greens amaranth tend to have black seeds and may become weedy.

A. cruentus, Purple Amaranth: Day-length neutral and most widely adapted. Typically white-seeded from Mexico, this is made into “Alegria”, the popped seeds mixed with molasses pressed into a small cake or bar.

A. hypochondriacus, Prince’s-feather is day-length sensitive. I know little about this species.

A. caudatus , Love Lies Bleeding is native Peru. Sometimes called Inca wheat, it is an important staple in the Andes.

While young foliage can be confused with weedy amaranth, (A.hybridus, A. viridis, A. retroflexus. A. spinosus.) grain amaranth has apical panicles, or seed heads forming only at the top. Grain amaranth can withstand drought conditions because their roots can grow several feet deep.

Early strains of A. cruentus were cultivated as far back as the time of the first maize in Oaxaca. The Jardin Etnobotanico de Oaxaca includes a section of early cultivated food crops. I was lucky to volunteer in the garden during the winter of 2019 and had the privilege to work with Roberto Chavez Rendon. Here he is with an early strain of Amaranthus cruentus.

Open-pollinated grain amaranth species can be variable. Many selected strains have full heads laden with seeds. Seed breeders are selecting for shorter plants that don’t shatter. University breeders are developing F-1 hybrids for food production.

Although claims vary, Amaranthus cruentus and A. hypochondriacus were cultivated before 1,000 BC in Mexico. Grain amaranth was an important food source from the Aztecs until European missionaries put a stop to eating or using amaranth in ritual. It is again popular and is best known as “Algeria” , the popped seeds mixed with molasses and pressed into a small cake or bar. An NGO in the Etla Valley of Oaxaca, Puente a la Salud promotes food sovereignty with a focus on grain amaranth not only for cakes but to add as an ingredient in many dishes ground into flour; boiled and used as a thickener in soups; toasted and popped as a cereal. They encourage farmers to grow the crop and teach communities how to make appropriate tech ovens and poppers for cottage industries with amaranth.

Amaranthus cruenthus. Farmer demonstrating harvesting with sickle.

Amaranth has the potential to be an important crop as we move into greater climate change. It is drought-, heat- and pest-tolerant. The nutty flavor can add more nutrients to oatmeal or ground into gluten-fee flour. Try growing this beautiful plant in the edible landscape, or in rows for production. Available from Adaptive Seeds, Bountiful Gardens and Johnny’s selected Seeds.

Joe-Pye Weed: Pollinator-friendly Perennial

Posted on by jeanmariemorelli.com

My earliest memories of Joe-Pye-Weed are from the coastal town in MA where I grew up. In late summer the purple flowers towered over other plants growing wild in what we then called swamps. I would bicycle down the country lane and cut stems of the flowers to make dried flower arrangements. Joe-Pye-Weed was likely named for  Joseph Shauquethqueat, a Mohican medicine man who cured settlers.

Although the plants are found throughout the East Coast on moist sites, they can tolerate drought conditions. For this reason, they make a good addition to our landscapes. A myriad of hybrids is available for this popular genus. Formally known as part of the genus Eupatorium, botanists have recently reclassified this group into a distinct genus, Eutrochium.

One hybrid has been bred to grow only 3 feet tall. They can grow in part shade and look more robust with regular watering. If the intention is to encourage them to be drought-tolerant, plant them in lots of compost. After three years divide the plants. They will ocassionally reseed, mostly they spread slowly from the crown.

The 6 ft tall hybrid plants I have were divided from a friend’s clump. The hollow stems are a deep purple and after the perennial is finished for the season, these stems make excellent disposable tubes for Mason bee homes!

Landscape uses:

Consider this for outside the deer fence. Eupatorium works well with Miscanthus, perennial sunflower and cardoon for a dramatic late summer perennial display. After growing vigorously in spring and summer, they come into their own in August and September. Rain gardens need plants that can withstand inudated soils.

Other Uses

If you raise mason bees, see my earlier post, then the dried stems of this plant make great disposable nesting tubes for the mothers to lay their brood.The right photo shows the Joe-Pye stems on left and the purchased tubes on right.

Rabbits in the garden

Posted on by jeanmariemorelli.com

Eastern Cottontail photo from Wikimedia

The Eastern cotton-tail rabbit was introduced to Washington in the 1930’s as a game animal for hunters. These introduced rabbits thrive in close proximity to people. As habitat generalists, they adapt to different available plant food and benefit from brushy coverage. Although the state’s mapping shows the introduced rabbits widespread in Kitsap County and Whidby Island, Jefferson county rabbit population is not on the map! The population has recently boomed in Seattle.

The bunnies never bothered my vegetables while I had Black Labs. These dogs have a great sense of smell and can easily track the cottontails. My property is fenced with hog wire with openings large enough for rabbits but not their common predators such as coyotes and bobcats. However, the common garter snake that are abundant on my property probably consume baby rabbits in the nest and barred owls might catch young ones.

I became acutely aware of rabbits when a neighbor’s domestic bunny started living at my place and even chewed through the plastic deer fencing to get in the vegetable garden. As cute as it was I wanted to keep it out. I felt like the mean farmer in the Beatrix Potter stories. The neighbor and his children came over several times and were successful catching the wayward pet.

Rabbit damage is obvious, it looks like someone went through with garden clippers making sharp-angle cuts. The rabbits bite young stems, buds and flowers. By comparison, deer tear away stems, leaving a jagged edge because they don’t have upper front teeth.

Cottontails are most active dawn and dusk. In spring I noticed vegetable seedlings neatly nipped off. Lucky for me I always have a couple of red clover volunteers on the edge of beds and in the paths. While the rabbits certainly prefer clover to vegetables, I share enough of my garden with the voles and the birds, that I was determined to prevent another creature from entering. I bought some rabbit repellent called Liquid Fence that was effective but requires monthly applications.

After watching several YouTube videos, I decided rabbit fencing would protect the lower two feet of the deer fencing. So I hired someone to work with me and we installed the fencing where the rabbits were entering from the west. I also had already placed landscape fabric there to prevent grass and weeds from growing underneath the deer fence. One foot of chickenwire on the ground will prevent rabbits from burrowing under the fence. That was effective for several months and now I have noticed a rabbit in the garden at dawn. On to fortifying the deer fence on the north and south sides! For more information on fencing and general cottontail behavior, see the state Fish and Wildlife site

3 ft Chicken wire with 1 inch openings, 3 ft metal stakes, landscape pins and zip ties

August in the Garden

Posted on by jeanmariemorelli.com

By August the garden is often humming along on autopilot, although sometimes the garden (or more likely the gardener) feels tired by late summer. This year, July only got a bit of rain on the last day. The current forecast for the remainder of August is cooler than normal— great for the cool-season vegetable starts, but not so encouraging for the warm season crops that have just started to pump out vegetables like zucchini, beans and tomatoes.

This is a time to reflect on garden priorities. What thrives in your garden? Do you have an intention or a vision for it? Are you in a phase of expansion or contraction? This changes with how the garden matures and ages along with our own interests and energy levels. Walk around and make notes. Beth Benjamin, one of my favorite garden teachers from when I was an apprentice at Camp Joy, in the Santa Cruz Mountains, always said, “The garden is forgiving. Next year we can try again or change how we garden.”

Garden Chores

Shrubs and Trees: Don’t add any more fertilizer that is high in nitrogen to shrubs and trees. Plants need to harden off before the winter cold settles in. All-purpose natural fertilizer with fertilizer ratios in single digits are okay. Apply the last fertilizer to roses by mid-August. Aged compost is also okay.

Perennials: Continue deadheading, ease up on watering and fertilizing. Consider which large perennials could be divided and moved around to fill in gaps in the garden. Determine which plants are aligned with your watering regime. Plan to move or divide perennials in September or October.

Rockrose: They typical rock rose, Cistus hybridus tops out at 3 ft. But, here in Jefferson County can grow to 5 ft. and sprawl. Older shrubs can be completely renovated. Remove dead branches and then prune with a combination of thinning and heading cuts. Sometimes these plants can be pruned into artistic sculptural forms. Remove splayed and sprawling branches.

Wisteria: flowers better if pruned regularly. Prune the vine now after flowering and also when the vines are dormant in January/February. Now cut back new growth, leaving five or six leaves on a branch. This will encourage flower buds. In the winter cut back to three buds. These become spurs that will flower next year.

Wisteria was cut back about 2 weeks ago after prolific flowering earlier. Pruning encourages vines to grow flowering spurs

Raspberries: Summer bearing canes (floricanes) that have finished fruiting on the previous seasons wood. Cut these canes to the ground and remove. Any new growth thinner than a pencil should be prune to the ground. Then look at the canes that started this year—primocanes. Select 6-8 canes per plant spaced about  3-4 inches apart. When the plants go dormant in winter cut these canes back to just above top wire. These will produce lateral flowering and fruiting branches next summer.

Fruit Tree late summer pruning: Plum and cherry. Did your trees grow vigorously this summer? If so, prune back branches that pumped out two feet or more new growth. This can reduce next year’s vegetative vigor and encourage fruit buds. But if the tree grew moderately, then wait until winter or even after next year’s flowering before pruning. Poorly executed summer pruning can stunt a tree.

Apples: Sometimes apples get in a cycle of over-producing fruit one year and then the next one the tree is recuperating and has no fruit. Biennial fruit-bearing can happen for numerous reasons. If too many fruit form one year and are not thinned out then the tree doesn’t have the energy to form many flowers the next year. Some  apple varieties  like Honeycrisp and heirloom Brambley Seedling are naturally biennial fruiting. Other trees fall into this pattern through lack of nutrients, irregular watering, or one winter frost destroys the blooms. RHS always has good information. Thinning flowers (once you confirm they are pollinated) is more effective than thinning young fruit. Advanced gardeners can look at the Royal Horticulture Society’s post on summer pruning of apples and pears.

Hairy Manzanita

Posted on by jeanmariemorelli.com

Arctostaphylos columbiana

This native manzanita is uncommon on the Quimper Peninsula , but I have seen it growing wild on Cape George Road and close to Kala Point. The above photos are of a shrub that Willy Smothers grew at his place on Marrowstone Island. Recently Janet Welch pruned it to highlight the beautiful peeling bark.

The tiny ‘apple-like’ fruits are eaten by birds, small mammals and patient gardeners. It grows in the coastal scrub community and its range is from Sonoma County, California to Vancouver Island. Along with shore pines, manzanita can grow on and stabilize sand dunes. Native specimens can also be found in the understory of open coniferous forests in the Cascades. The critical factor is gravelly soil. The peeling bark is an attractive feature that it shares with its cousin Madrone. However, it is more closely related to our native groundcover kinnikinnick, Arctostaphylos uva-ursi. In fact a hybrid called Arctostaphylos x media is cross between the two.

Care for Manzanita

Manzanita rewards the patient gardener. Select a site with full sun and excellent drainage. It is best to start with plants in one-gallon containers. Water weekly until new growth appears and then taper off. One way to avoid crown rot is to plant it a little bit higher than the existing grade and mulch with woodchips. Don’t mulch with compost. Use drip irrigation because overhead water will encourage fungal disease. Keep it on the lean-side and avoid adding soil amendments. Once established it is completely drought tolerant.

Here is another manzanita, a hybrid, (probably Arctostaphylos x media) used in the landscape of Kathleen Turaski and Peter Hornsby This drought-tolerant garden includes Ceanothus and red hot poker, Kniphofia. They hope to remove the deer fencing once the plants are mature. But realistically, they may need to keep the fence in place—even if deer don’t browse a plant to death, they often step on and break branches of nearby plants.

Oregon State University, Horticulture Dept has many more photos, including pictures of the flowers and fruits. A great new native plant nursery opened in Kingston. Salish Trees Nursery carries hairy manzanita. Their knowledgeable staff will be a great help. Far Reaches Nursery has a superb variety of Arctostaphylos densiflora—Howard Mc Minn.

This hybrid Manzanita is an excellent drought tolerant choice
Manzanita flowering in April

Weeds and our perspective

Posted on by jeanmariemorelli.com

When I would help Tinker in her garden, often she dug up dandelion plants as if they were precious. The roasted roots made a delicious tea that she savored. Imagine if the plants we detested somehow changed in our mind to become useful resources. So much in life is how we frame something. If we look at a weed and notice a couple insect pollinators insects sipping the nectar, maybe the ‘weed’ isn’t so bad. That doesn’t mean we have to keep the plant. I have had weeds that I once hated and then learned to accept them, even as I removed them.

Dandelion, Taraxacum officinale

Gardeners who take the time to identify the plant can be more effective. Knowing a plant lets you determine the best way to control it. Sometimes a weed can be an indicator of environmental conditions: the soil is wet or heavy, or it is very acidic. Some tough weeds will die out if the roots don’t get nutrients from foliage. This requires diligence—regular weed-eating. Small, less-hardy weeds will die from deep mulch that smothers small plants and suppresses weed seeds. Proper ID is key to control.

Weed Identification

Botanical identification begins with a plant’s flower. We can’t rely on the foliage because weeds are by their nature adaptable and have a lot of variety. Vegetative characteristics are malleable. Here’s a short digression: years ago I managed the UCSC agroecology program greenhouse and was responsible for transplanting seedlings. In wood flats full of vegetables or flowers that required pricking out, there would be a number of weed seedlings from the compost. The young weeds could look almost identical to the some of the crops—so much so, that a number of the apprentices I supervised would pot up the weed seedlings! So identify your weed when it is flowering and then start to recognize the plant in all its stages, from young seedling to flowerings going to seed.

I’m old-school and like books. My favorite book for weed identification is Weeds of the West, University of Wyoming Press. Our cooperative Extension had it for sale decades ago. Now it can be downloaded for free from the website or used books can be found online. 900 color photos include the weed at young stages.

Online resources include Hortsense from Washington State University, with 90 fact sheets listed by alphabetical order. University of California, Davis has a useful online weed identification key

Weed Ecology

Many weeds are species that have adapted to colonize disturbed sites, such as landslides; after a wildfire has burned off vegetation; along roadsides; or at building sites where excavators have exposed mineral soil. Alan Chadwick, the famous gardener who developed the French-Intensive-Biodynamic method, always said nature abhors a vacuum. That’s why in my garden I sprinkle around borage, red clover, phacelia, or calendula. By regularly weeding out unwanted plants, I have mostly replaced the disturbed areas with annual flowers that are easy to pull and have many benefits. There’s not much room for weeds.

Borage, Borago officinalis

Weeding Techniques

Start weeding early spring, when the ground is still moist and the plants are young. Weed annual gardens regularly. Use lots of mulch around perennials and woody plants. Since weed seeds can remain dormant for decades, it’s important not to let weeds good to seed.

Certain perennial weeds can become one’s nemesis, for example horsetail, bindweed, Canada thistle . If you do nothing else, make sure to cut flower heads before they go to seed, bag them and send to the dump. The county noxious weed board doesn’t want what the state includes as noxious plants in our yard waste. If you cut the flower or seed heads and bag them, then the rest of the material is yard waste and can go to the compost facility. Thick mulch prevents seeds from sprouting. Everyday weeds can go into yard-waste. I have a big pile of plant debris that I will not use as compost, but will let it rot in place. In it I include weeds that have gone to seed but are not listed as noxious.

At one time I added woody plant material to this pile, but now wild roses, native blackberries and branches from hedges and ornamental shrubs go to yard waste. I don’t want excess fuel for potential wild fires.

If you are still using herbicide on weeds in pavement cracks or gravel, please consider a vinegar solution. Horticultural vinegar—at 35% strength is a lot stronger than kitchen vinegar—5% sold at grocery stores, so take more precautions! Wear gloves, glasses and long clothing. Although flame torches are used in agriculture to control weeds ( by boiling the sap, not turning foliage black), when I called our fire dept about using them for weeds in cracks I was informed that we had two wildfires in the county start that way!

For woody plants or deep-rooted perennials, such as Scotch broom, Himalayan blackberry, and poison hemlock, a weed wrench can be used to yank out the entire plant. The county weed board has wrenches they loan out.

A lot of weeds are my friends. I make flower bouquets, or add them to salads. Others are a haven for pollinators. Some are good sources of carbon for my compost piles.