Spring in Portland

It rains a lot in the Pacific Northwest but, if we stayed in the house every time it was raining, our gardens would never get planted. March is the month I start to get a few plants in the ground such as; my kitchen herbs (parsley, oregano, chives, and thyme), cover crop (red clover), greens (kale, spinach, arugula), sweet peas (my favorite annual flower), and beans. I begin to cut back some of my herbaceous plants and amend the soil with compost. I transplant any shrubs or herbaceous plants and divide ground covers.

The wonderful thing about the spring rains is you can count on the garden getting watered most days until July. Today, it was pouring down rain and Gus and I put on our rain coats and planted kale.

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To protect newly planted seedlings, I save egg shells to crush and sprinkle around plants to deter slugs. They won’t crawl over any sharp surfaces, so, they will completely avoid the egg shells. When the shells break down, they supplement the soil with calcium, which plants love, particularly tomatoes.

In April, I start seeds in the house. I use empty plastic salad greens container because they are perfect for containing water, soil and the plastic keeps the soil warm enough to germinate the seed.

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The key to germinating seeds is warm soil, sunlight, and water. You cannot let seeds or newly sprouted seedlings dry out and the seed starter mixes are not meant to retain moisture. If the soil dries out, likely, your plants will not thrive. Find a sunny spot in your house to place your starts and don’t forget to water them.

Many vegetables such as tomatoes , eggplant, squash, peppers pumpkins and melons won’t appreciate the cooler spring days, so wait until May or June to plant them in the garden. The same goes for basil and some other warm weather herbs.

Some rainy day, grab some coffee and start visiting nurseries and shopping for seeds, starts, and more plants. As I alway say, you can never have enough plants.

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Garden Makeover

Ever notice a small section of your yard that you either don’t use, is tucked away in a shady corner or you don’t see often enough to put your energy into? While it makes sense to focus one’s limited time and resources to work on parts of your garden that are highly visible, there are some spaces you can transform into a more useful space without much effort. 

For example, in my yard there is a small, narrow corner between our property line and porch that has an ugly chain link fence along two sides. It has a mature white lilac hedge (gasp! Yes, white, it is criminal all lilacs should all be purple). A bird feeder hangs from one lilac making this a poplar spot for birds. I have a view of the area from a picture window in the living room and I decided this spring was time to give it new life and maybe find another spot for Gus’ plastic pool.

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Lilacs are fairly invasive as they “sucker” and often preclude many other plants from growing around them. Today, my goal was to convert the area into a more inviting place for birds, snakes and insects. Snakes love to eat mice and slugs making them a lovely addition to any garden.

I cleared out the lilac suckers, a pile of old bricks and other debris I found hiding in there and relocated the plastic pool. The next step was to spread out fresh compost and add native plants such as nine bark, Oregon grape, mock orange, evergreen huckleberry and ferns (not yet planted) in between the lilacs. I placed some cherry firewood along the perimeter of the chain link fence to add character and prevent soil from eroding down the slope on both sides. I also placed piles of smaller sized logs to create texture and habitat. I moved a bird bath from the side yard over to this area so the bird’s food and water is in one convenient location.

This project took a couple of hours this afternoon. Prior to getting started, Gus said, “mama, let’s get digging” as he stood with his shovel ready to help. He was excited about the idea of creating bug and snake habitat and wanted to be part of the renovation. Gus found worms and got distracted by a little side project of washing them off in our kitchen sink before returning them to the garden. He said they were “dirty” and needed to be rinsed off.

This spring, identify a location in your yard that needs some love and could be repurposed from a place you don’t use to a place that is frequently used by other creatures. Use native plants to avoid having to water them once established and let them do what they do best, which is grow wild.photo 2photo-4

Ecoroof in the Garden

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Garden shed ecoroof

Last summer, my husband wanted to build a “garden shed” to replace the tiny dry-rotted structure we had in the driveway. I was thrilled about having a place to store garden tools and bikes, but struggled with the idea of having more impervious surface on our property. TJ agreed and decided to build an ecoroof on top of the shed to collect the storm water runoff.

The ecoroof captures rainfall and the overflow is directed down the sloped roof to a gutter, which flows into a 500-gallon water tank. There is a hose connected at the bottom of the tank so we can water the garden or use in case of emergency. The average annual rainfall in Portland, Oregon is about 40 inches. That is a lot of water that could be used on plants instead of going into the city’s storm drains.

TJ consulted the City of Portland’s Ecoroof Program web site for more information on design details. He had to construct the shed to withstand the weight of the soil and plants on the roof. TJ laid down a pervious membrane, hung the gutters and directed the flow into the water tank. Along three places on the roof, we placed some flat rocks above the gutter to slow down the rainfall and minimize erosion during heavy rains.

Following construction in October 2013, I climbed onto the roof with my shovel and a cup of coffee. It was time to plant!  Although I had never designed an ecoroof, I knew I wanted a mix of grasses, sedums, and spring bulbs. Below is the plant list I came up with:

Sedum Silver Moon, Red Ice SedumSisyrinchium Quaint and Queer, Armeria juniperifolia, October plant Sedum siebodii, Sedum “button”, Cape blanco – Sedum spathulifolium, black mondo grass, Echeveria secunda, Hens & chicks Sempervivum rojin, Double alpine geranium Erodium reichardii “Flore pleno”), Sedum reflexum “blue spruce,” blue oat grass, Mexican feather grass, Iris bulbs

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Michele laying out the plants on the ecoroof

Another feature on the roof is a metal bowl filled with stones and water which serves as a “bug bath” for bees and other insects. Last year, the bug bath was in the garden and was visited by tons of bees. I also put a small piece of driftwood on the roof for insects to use as habitat.

This summer, I plan to track all the critters I observe using the ecoroof to evaluate its habitat value. While our house sits on a busy city street, I see my urban lot as an important corridor for bees, insects and wildlife. The ecoroof serves as another spot in the yard for creatures to use.

TJ sold me on the idea of a garden shed and he built it using old cedar and vintage windows he salvaged from one of his construction projects. It was well on its way to being a beautiful, eco-friendly structure until he left the lawnmower in the yard, hung up our bikes and shoved my garden tools onto a small shelf so high I can barely reach them and moved in his tools and two motorcycles. As evidence in the photo below, our “eco-friendly”garden shed is really a motorcycle repair shop.  Sometimes in marriage, you just have to compromise, but I still have my planted roof and I love it.

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Why Use Native Plants?

For many years, I worked as a wetland biologist at an ecological firm and spent a lot of time in the field observing native plants and the wildlife that rely on these ecosystems. I saw the devastating effects of invasive plants, some of which had escaped from residential gardens. It is important to understand that not all plants support wildlife equally.

Native plants support native birds, insects and wildlife. When invasive plants take over our gardens, natural areas, and parks, they decrease biodiversity and threaten habitats. Invasive vines twist themselves around trees and overtake the canopy ultimately killing trees that provide storm water benefits, shade, habitat and minimize erosion.

When I was home in the city, I saw urban gardens full of non-native and invasive plants. I wondered, why aren’t more people growing native plants and edibles in their gardens? I saw a lot of potential for these urban garden spaces to be filled with native plants, pollinators, and wildlife. That is what compelled me to put my plant knowledge to good use and start Purple Garden, a garden design business.

Native plants are also adapted to the climate they evolved in, which makes them less likely to require irrigation. Some of my favorite easy to grow Northwest natives include: Douglas hawthorn, blue blossom, vine maple, mock orange, highbush cranberry, Indian plum, salal, vine maple, evergreen huckleberry, red flowering current, black twinberry, snowberry, evergreen huckleberry, Oregon grape, alumroot, Cardwell’s penstemmon, piggy-back plant, wild ginger, white yarrow, deer fern, checker mallow, sword fern, and trillium.

To learn more about native plants, check local web sites for information on native plant sales in your area. You can typically buy plants for much less than retail prices. In the Portland Metro area, contact the East Multnomah Soil and Water Conservation District, Backyard Habitat Program for information on their spring/fall native plant sales.

Winter in the Garden

It rarely snows in Portland. When it does, the city goes into hibernation, which is good because it keeps people off the roads. It is beautiful to see snow in the landscape. Snow on trees and shrubs really highlight a plant’s form and structure. This Northwest Oregon grape looks beautiful covered in snow.

Oregon grape is one of my favorite Northwest natives. It is hardy, drought tolerant and looks great in the garden year-round. It is one of the first native shrubs to flower, which is a favorite food of hummingbirds.

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My main focus in the garden in winter is providing food for birds. I always hang a bird feeder, which is frequented by black-capped chickadees. Today, I saw an Anna’s hummingbird in the garden. I think he was trying to figure out why the sugar water in the hummingbird feeder was frozen. Poor thing, he will have a wait until it thaws.

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Hummingbird photo taken by Craig Tumer

What Gardeners do in Winter

Gardening is my favorite hobby so people always ask, “What do you do in the winter?” In addition to a countdown to Spring, I have compiled a list of monthly gardening ideas to help get through the cold, gray days of winter.

December
* Plant a winter interest container garden to liven up the front porch. Plant a dwarf conifer, a winter flowering hellebore, an Oregon grape, and a weepy grass in a decorative pot.

* Repot indoor house plants and feed them with either an organic plant food or an herbal nettle & comfrey tea. Over time, plants deplete nutrients in the soil and because they are indoor plants and have no help from worms or other creatures in the garden, they need a little help. Particularly, flowering house plants need sufficient amounts of nitrogen and phosphorous. To make the herbal tea, fill a pot of water and bring to a boil, turn off the heat, add the mineral rich herbs, let the tea steep for about 30 minutes, strain out the plant, let cool, and water.

January
* Make a New Year’s resolution to plant more native plants, edibles, and herbs in your garden this year. A favorite native plant no garden should be without is red flowering current. This beautiful flowering shrub will attract hummingbirds to your garden. Other great berry producing natives to attract birds and other wildlife include: oceanspray, black twinberry, Douglas hawthorn, Oregon grape, squashberry, and highbush cranberry. Great easy to grow edibles include blueberry, raspberry, and honeyberry shrubs.  Herbs that should have a place in every garden include: rosemary, oregano, lemon thyme, lavender, lemon verbena, and chamomile (just to name a few).

* Visit local nurseries to purchase winter interest garden plants such as; conifers, red osier dogwood, hellebore, witch hazel, daphne, evergreen huckleberry, wax myrtle, Oregon grape, ferns, and native sedum.

* Sign up for plant-related seminars around town. Visit the Hardy Plant Society of Oregon web site to see what upcoming classes, seminars, and plant sales are planned for 2014.

February

* Plan a day trip to Seattle for the annual Northwest Flower and Garden Show to view dozens of garden displays, attend gardening seminars, buy plants and gardening related items. This one of a kind garden show is well worth the road trip.

* Harvest stinging nettles and make tea, nettle miso soup, a nettle stir fry, or nettle/spinach pie. These prickly plants are packed with vitamins and minerals and have a delicious earthy taste. They can be harvested from February through April (they must be harvested before flowering).

* Buy bare root plants.  They are less expensive than container plants and are only available during the cold winter months.  Perfect bare root plants to buy: native shrubs, blueberries, grape vines, and raspberries.

* Check out local native plant sales. In Portland, my favorite is the Backyard Habitat Program plant sale. 

March
* Dream of warm, sunny days ahead and begin planning your garden. Order seed catalogs, check out gardening books from the library, spend some time in Powell’s Books garden section. Below are some of my favorite garden books:

This Organic Life – Confessions of a Suburban Homesteader, Joan Gussow

In Defense of Food, Michael Pollan

Bringing Nature Home, Doug Tallamy

Last Child in the Woods – Saving our Children from Nature-Deficit Disorder, Richard Louv

The Wild Braid, Stanley Kunitz

The Householders Guide to the Universe, Harriet Fasenfast

* Start sweet pea seeds inside the house. Place seeds on a paper towel on a plate and add water (daily) until they sprout. This should take just a few days. Plant sweet pea sprouts in the ground when they are about 1-2 inches tall. They need to go into the ground during the cooler months of Spring.

* Put on your boots and rain jackets and visit natural areas and parks where you live to see how nature designs gardens.

* Look for the first native plants to bloom such as: Oregon grape, Indian plum, black twinberry, and red flowering current. These beautiful, flowering native shrubs are the first signs that spring has arrived.

*Celebrate the first day of Spring on March 20th. Be thankful the days are getting longer!

Summer Garden 2013

The garden this summer is in full bloom. The raised beds built three years ago are bursting with flowers, herbs and veggies. Every summer, I stand in the garden and reflect upon my plant choices and wonder “am I not growing enough of … or too much of… ” (fill in the blank). It is always clear to me I wish I had more flowers. Next summer, I will make sure there are plenty of flowers in the garden.

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What is also clear to me is how I always plant my tomatoes too close together. They seem fine, but, I want to make sure they have enough space between them to receive the air circulation they need. To make sure my tomatoes don’t get blossom end rot, I only water them in the morning and only water the roots and not the aerial parts of the plants.

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The squash and zucchini plants always grow way bigger than you remember the year before. I think I may try to grow them on a trellis next summer to save space and make harvesting easier. We have all been there when you see a ripe squash or zucchini and think, I will pick that one tomorrow because it will be the perfect size only to forget and a week later it weighs 25 pounds.

This year, I experimented with planting borage and calendula as cover crops in the empty spaces along my perennial shrub and berry border. These two herbs need little water or attention, they deter weeds,  attract pollinators, fill in a space quickly without being invasive, are beautiful, bloom all summer and into early fall, and are edible.

My purple, pink and white cosmo flowers pictured below in the right hand corner of the photo are not only beautiful, but attract tons of pollinators, including moths, our lesser know nighttime pollinators. Moths are attracted to white or other light-colored flowers and only come out during the wee hours of the night. Next summer, I am going to plant more moth attracting plants such as flowering tobacco, gardenia, and moon flowers.

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