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Red-twig dogwood (Cornus sericea) © Joan D. Stamm
Red-twig dogwood (Cornus sericea) © Joan D. Stamm

Gardening for Wildlife

Thinking of adding new plants to your garden this spring? Choose from these recommendations to build a healthy ecosystem for your favorite wildlife species.

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Updated: August 18, 2024

By: Joan D. Stamm, Skagit County WSU Extension Master Gardener

In a blog article last September, I recommended reading Nature’s Best Hope by Douglas Tallamy for the “why” of gardening for wildlife. This article will explore the “what” and the “where”-as in “what” plants and “where” to buy them.

For the “what,” I suggest Real Gardens Grow Natives by Eileen M. Stark as a guide to site prep, plant selection, and the benefits each plant offers the ecosystem. “Benefit” in this article, as in Stark’s book, is the critical word. It points to what the National Wildlife Federation (NWF) has coined as keystone plants.

What exactly is a keystone plant?
According to NWF, keystone plants are “native plants critical to the food web and necessary for many wildlife species to complete their life cycle. Without keystone plants in the landscape, butterflies, native bees, and birds will not thrive. 96% of our terrestrial birds rely on insects supported by keystone plants.”

Stark, a wildlife conservationist and landscape designer from Portland, Oregon, specializes in wildlife habitat gardens that include keystone plants. In the 317 pages of her beautifully photographed book, you will find 100 of her favorite Northwest native plant varieties and their many benefits for wildlife.

Yarrow (Achillea millefolium) © Joan D. Stamm

Yarrow (Achillea millefolium) © Joan D. Stamm

Twinberry (Lonicera involucrata) © Joan D. Stamm

Twinberry (Lonicera involucrata) © Joan D. Stamm

Snowberry (Symphoricarpos albus) © Joan D. Stamm

Snowberry (Symphoricarpos albus) © Joan D. Stamm

For example, the Garry oak or Oregon white oak (Quercus garryana) is one of the top keystone plants Stark promotes in her book. If we want butterflies in our garden, we need to have trees, shrubs, and perennials that host butterfly larvae. The Garry oak is one such tree; it is a host plant for many caterpillars, including the “gray hairstreak, California sister, and Propertius duskywing butterfly larvae.” In addition, the “flowers attract native bees,” and the “acorns sustain populations of mammals and birds such as woodpeckers, nuthatches and vireos.” “Studies show,” writes Start, “that oaks support more insect herbivores than any other plant genus.”

Although incredibly beneficial, not everyone has space for an 80-foot Garry oak. If not, consider another keystone tree: bitter cherry (Prunus emarginata). Birds such as “tanagers, waxwings, bluebirds, towhees, and flickers” will arrive to eat the fruit. A native cherry also hosts “swallowtail and Lorquin’s admiral butterfly larvae.”

If you love butterflies, another great keystone tree is Scouler’s willow (Salix scouleriana); it hosts “western tiger swallowtail, great comma, dreamy duskywing, and mourning cloak butterfly larvae.” In addition, native willow flowers “provide pollen and nectar for bees,” and “small and large mammals feed on buds, leaves, and seeds.”

small green bush with red berries

Kinnikinnick (Arctostaphylos uva-ursi) © Joan D. Stamm

frog on orange flower

Frog on Sneezeweed © Joan D. Stamm

Bee on orange and yellow flower

Bumblebee on blanket flower © Joan D. Stamm

Serviceberry (Amelanchier alnifolia) is also a keystone tree, providing “pollen and nectar for large numbers of bees, as well as hummingbird and spring azure butterflies.” Serviceberry fruit, says Stark, “is relished by waxwings, chickadees, woodpeckers, and tanagers,” and it is a host plant for “pale swallowtail, brown elfin, Lorquin’s admiral, and California hairstreak butterfly larvae.”

Along with these important native trees, many keystone perennials can fit into any open sunny space in your garden. A beneficial plant throughout many regions, goldenrod (Solidago canadensis), is a “nectar source for native bees and butterflies, such as the checkered skipper, clouded sulphur, gray hairstreak, monarch [east of the Cascades], and the endangered Oregon silverspot.”

Douglas aster (Symphyotrichum subspicatum) “provides nectar and pollen for bees and nectar for woodland skipper, pine white, painted lady, red admiral, mourning cloak, and the Oregon silverspot.” It is also a “host plant for field crescent and other butterfly larvae.”

plant with purple blue flower

Lupine © Joan D. Stamm

Big-leaf lupine (Lupinus polyphyllus) not only “provide[s] pollen for native bumblebees,” it is a “host plant for silvery blue, painted lady, and orange sulfur butterfly larvae. Aphids attracted to the plant are preyed upon by syrphid fly larvae. Seeds are eaten by birds such as sparrows and finches.”

The Viola adunca, a native violet in our state, is a dynamic host plant for at least seven species of butterfly caterpillars and an enticing nectar plant for the endangered Mardon skipper butterfly.

Stark divides her native plant selections into three categories: plants for sun, partial sun, and mostly shade, guiding us in our creed “right plant, right place.” You’ll also find chapters on soil, pruning, watering, weeding, mulching, and much more. Her book is this gardener’s “go-to” choice whenever looking for the right native plant for a particular area and wanting to know the benefit to nature: what bees, butterflies, birds, or caterpillars the plant will attract.

As beneficial as all native plants are for our native wildlife, some natives on Stark’s list may not be suitable for an urban or suburban garden. For example, western red cedar, grand fir, Douglas fir, western hemlock, and Sitka spruce, are all enormously beneficial, but grow to a height of over 100 feet. The Douglas’ spirea, Stark warns, “may be too assertive for small, moist gardens.” Yet, the Spiraea betulifolia var. lucida, a small shrub with white flowers, might be perfect for a sunny border. Be sure to familiarize yourself with height, width, water requirements, and characteristics such as “vigorous,” “assertive,” or “rapid spreader” to determine if you have the “right plant for the right place.” A Nootka rose’s flowers and hips provide many benefits to wildlife but, over time, will grow into a thicket. However, if you have room for it to spread, it might make the perfect hedgerow, providing not only winter food for juncos and grosbeaks but also a habitat for nesting birds and the western checkerspot butterfly caterpillar.

For a more comprehensive book on creating gardens for wildlife, see Russell Link’s Landscaping for Wildlife in the Pacific Northwest. Link’s book not only includes extensive lists of native and non-native plants that benefit wildlife but also illustrates how to build habitats for birds, reptiles, mammals, and all the other creatures that make up a complete ecosystem. For example, he details snag locations and which draw native birds. He describes how to create a cavity in a live tree without killing the tree and thus create a habitat for a woodpecker. The book contains several kinds of fully illustrated brush or rock piles, including how to make them, where to place them, and who will benefit.

For example, Link says that “bushtits, chickadees, dark-eyed juncos, towhees,” and others “will use the inside of a brush pile,” whereas “hummingbirds, robins, and towhees will use the outside of a brush pile. Salamanders, snakes, toads, and turtles,” will use the base of the brush pile. He also covers how to create or construct proper birdbaths, ponds, nest boxes, and bat houses and features detailed drawings to illustrate how to build homes for Mason and bumblebees. Included are eight pages of colored photos depicting NW native mammals, birds, reptiles, amphibians, butterflies, moths, and other insects, describing our native birds and their preferred habitats.

Bee on Sneezeweed © Joan D. Stamm

Bee on Sneezeweed © Joan D. Stamm

Scotch bluebell (Campanula rotundifolia) © Joan D. Stamm

Scotch bluebell (Campanula rotundifolia) © Joan D. Stamm

With these three books, Nature’s Best Hope, Real Gardens Grow Natives, and Landscaping for Wildlife in the Pacific Northwest, you will be inspired, informed, and guided to provide plants that offer habitat and food (nectar, pollen, insects) for our native wildlife. You will better understand why it’s important to cultivate natives and have a clearer idea of what to plant, thus joining the movement to restore our natural ecosystem.

picture of book cover by Douglas Tallamay
picture of book
Picture of Landscaping for wildlife in the PNW book cover
The only question remaining is “where” to buy all these wonderful beneficial plants?
You can start with our very own Skagit County Master Gardener Foundation’s Annual Plant Fair, which always features a native plant section. The sale occurs the Saturday before Mother’s Day (May 11, 2024) at the Skagit County Fairgrounds in Mount Vernon.

The local Salal chapter of the Washington Native Plant Society (https://www.wnps.org/salal-programs/garden) offers a twice-yearly native plant sale online with pick up at their demonstration garden adjacent to the Discovery Garden. Sign up to get email notifications.

Some of our local nurseries are beginning to carry more native plants. Azusa Gardens in Mount Vernon on Hwy 20 (https://www.azusagardens.com/) keeps expanding its native plant section each season. They feature two- and five-gallon shrubs such as twinberry, ocean spray, snowberry, red-twig dogwood, mountain hemlock, and others. Twinberry (Lonicera involucrata), in particular, is an attractive and beneficial native shrub easily grown with a little shade. It produces yellow tubular flowers attractive to hummingbirds and the berries are eaten by “thrushes, flickers, grosbeaks, and waxwings”; it’s also a host plant for the “snowberry checkerspot butterfly larvae.” Azusa also carries native ferns, and groundcovers such as bunchberry and wild ginger. They also welcome requests for specific plants.

Christianson’s Nursery in Mount Vernon on Best Road  (https://www.christiansonsnursery.com/) has a native plant section and carries one-gallon great camass (Camassia leichtlinii) in spring. They also have vine maple, salal, western red cedar, fir, hemlock, and kinnikinnick. The latter is a perfect groundcover. Kinnikinnick is not only evergreen, but the flowers are popular with bees and hummingbirds; the berries are eaten by “songbirds and many ground-feeding birds,” says Stark. It is also a “host plant for brown elfin and hoary elfin butterfly larvae.”

Plantas Nativa in Bellingham (https://www.plantasnativa.com/) specializes exclusively in native plants. They pack a lot of choices-conifers, shrubs, perennials, ferns, grasses, water plants, groundcovers, and more-into their small corner lot.

A little farther away but worth the drive, a visit to the Pacific Rim Institute (PRI) https://pacificriminstitute.org/ near Coupeville on Whidbey Island will reward you with not only a native plant nursery but a hike through a preserved segment of Washington’s native prairie landscape that contains the endangered golden paintbrush (Castilleja levisecta). PRI’s Nursery specializes in 50 native prairie plants. Many, such as woolly sunflower, red paintbrush, campanula, yarrow, larkspur, and fescue, will thrive in a sunny spot in your garden. Red paintbrush, in particular, is a beautiful, easy-to-grow native when planted with another native-like yarrow, woolly sunflower, penstemon, or blue-eyed grass. Due to its symbiotic nature, paintbrush requires nutrients from a host plant’s roots to survive. It blooms throughout summer, and Anna’s hummingbird loves the red flowers.

PRI also specializes in some unique native bulbs-ookow (Dichelostemma congestum), blue lily (Triteleia grandiflora), and harvest brodiaea (Brodiaea coronaria), that I hope will begin to replace my non-native tulips and daffodils for spring cheer.

With the knowledge and expertise of Tallamy, Stark, and Link, and a little help from our many plant retailers, you will be inspired to garden with native keystone plants that provide food and habitat for our indigenous birds, bees, and butterflies. In our age of endangered plant and animal species, we can be a force for eco-restoration right in our own backyard.

REFERENCES AND RESOURCES:

Link, R. 1999. Landscaping for Wildlife in the Pacific Northwest. Washington Department of Fish and Wildlife.

Stark, E. 2014. Real Gardens Grow Natives. Skipstone, Seattle, WA

Tallamy, D. 2019. Nature’s Best Hope: A New Approach to Conservation That Starts in Your Yard. Timber Press, Portland, OR.

ABOUT THE AUTHOR :

Joan D. Stamm

Joan D. Stamm is a Skagit County WSU Extension Master Gardener and the author of several books, including The Language of Flowers in the Time of COVID: Finding Solace in Zen, Nature and Ikebana.

https://joandstamm.com/

Questions about home gardening or becoming a Master Gardener may be directed to: Skagit County WSU Extension Office, 11768 Westar Lane, Suite A, Burlington, WA 98233; by phone: 360-428-4270; or via the website: www.skagit.wsu.edu/mg




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picture of Discovery Garden entrance apples, Salal Native Garden sign


Discover the Skagit Valley Display Gardens Open House

Discover the Discovery Garden, NW Fruit Garden, and the Salal Native Plant Garden

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By Janine Wentworth, Skagit County WSU Extension Master Gardener

June is the beginning of summer blooming, fruit and vegetable growth and early harvests.

Enjoy the summer gardens of Skagit Valley at the Discover the Display Gardens Open House. Skagit Valley is home to 8 acres of display gardens operated by volunteers as a learning resource for the public.

Discover the Display Gardens
Open House

June 24, 2023 · 10 am – 2 pm

Free Admission

  • Skagit County WSU Extension Master Gardener Discovery Garden
  • Western Washington Fruit Research Foundation
  • Salal Native Plant Garden

All three are nestled together in the green fields of the WSU Northwestern Washington Research and Extension Center west of Mount Vernon on HWY 536 (Memorial Hwy.)

While all three of these gardens are open to the public daily, the Annual Open House is focused on educating and inspiring visitors interested in many specific areas of interest, including pollination, water-wise gardening, native plants and raising fruits and vegetables in the Skagit area.

The Discovery Garden
Designed to support Skagit home gardeners by promoting science-based gardening practices, Skagit area WSU Extension Master Gardeners have created 30 garden rooms within the garden, featuring hundreds of plants chosen to flourish in Skagit Valley. Come and spend time with the volunteers who maintain the gardens and learn more about what they grow.

In addition to tours of the garden rooms, Master Gardeners will be on hand offering activities for all ages including:

  • Free garden tool sharpening
  • Solutions to plant problems
  • Plant identification– to help you know what you have
  • Expert advice on weed identification and management

While at the Discovery Garden, visit the small fruits garden and learn more about food you can grow in your own back yard. Photo © Nancy Crowell Photography
While at the Discovery Garden, visit the small fruits garden and learn more about food you can grow in your own back yard. Photo © Nancy Crowell Photography
Visit the learning station near the pond in the Naturescape Garden. There you will see Koi fish and learn about pond maintenance and construction as well as drip irrigation.
Visit the learning station near the pond in the Naturescape Garden. There you will see Koi fish and learn about pond maintenance and construction as well as drip irrigation.
Bring a blanket and picnic lunch and enjoy the day at the Discovery Garden. Photo © Nancy Crowell Photography
Bring a blanket and picnic lunch and enjoy the day at the Discovery Garden. Photo © Nancy Crowell Photography

Learn about effective gardening at the 8 education stations located throughout the garden area. Master Gardeners will offer instruction on topics such as:

  • Developing healthy soil
  • Composting
  • Pollinator support
  • Fruit tree pruning and thinning
  • Gardening with native plants
  • Weed identification: Match examples of common weeds with their names so you can learn how to identify them and control them
  • Clean water and water conservation: Visit the learning station near the pond in the Naturescape Garden. There you will see Koi fish and learn about pond maintenance and construction as well as drip irrigation

Pollinators: Learn about plants that support pollinators from Master Gardeners who plant and care for the pollinator gardens and the pollinators that live in the garden. The pollinator station at the Open House will teach ways to help native bees and other pollinators thrive in home and community landscapes because pollination is an essential survival function.

Local Food: The Skagit County WSU Extension Master Gardeners offer extensive resources for local gardeners. During the Open House, Master Gardeners will be giving talks on drawing of food baskethealthy soils, growing your own vegetables, and weed identification and eradication. The Grow Your Own Food page at https://www.skagitmg.org/home/resources/food/ is also an excellent resource for gardeners getting started.

While at the Discovery Garden, visit the Vegetable, Small Fruits, and Doc’s Arbor garden rooms for ideas and examples of food-producing plants that grow well in the Skagit County area.

Educators from the Xerex Society will be at the Open House demonstrating techniques for making your garden pollinator friendly
Educators from the Xerex Society will be at the Open House demonstrating techniques for making your garden pollinator friendly
Learn smarter vegetable gardening tips from the Master Gardeners who have research and tested a variety techniques that face gardeners in the North Puget Sound area.
Learn smarter vegetable gardening tips from the Master Gardeners who have research and tested a variety techniques that face gardeners in the North Puget Sound area.
Throughout the growing season, garden waste is sorted, chopped, and chipped-- the browns and greens are com­bined and turned, giving us nutrient-rich compost in a few months.
Throughout the growing season, garden waste is sorted, chopped, and chipped– the browns and greens are com­bined and turned, giving us nutrient-rich compost in a few months.

Composting: Curious about how to get started composting? Composting reduces waste and provides an inexpensive treatment for home gardens and landscapes. Healthy soil is essential to have healthy plants. Come talk to our soil experts and learn about your soil and what you can do to improve it.

Growing the Discovery Gardens since 1996
In 1994, the Skagit County WSU Extension Master Gardeners had a vision for a garden that would demonstrate best practices for gardening in the Skagit area. After two years of planning, the garden’s first structure of trees and fences was placed in the fall of 1996. Over the following two years, many committed WSU Extension Master Gardeners, along with the help of the community, planted the gardens.

MG-Healthy-People_Healthy-Planet-Diagram

The WSU Master Gardener Program addresses important sociologic and environmental issues by teaching research-based horticulture information. We want people to have important skills and abilities that help mitigate challenges and to understand that everyone has a role to play in creating and sustaining healthy and resilient communities.

Salal Native Plant Garden
The second garden participating in the Tri-Garden Open House is the Salal Native Plant Garden. Bordering the Discovery Garden to the south, the Salal Native Plant Garden is entered by walking through the Discovery Garden following the paths to the south. This labor of love and concern for native plants is manifested in an extensive and charming display garden.

Created twenty-five years ago as a collaborative effort between volunteers of the Salal Chapter of the Washington Native Plant Society and the Washington State University Agriculture Extension Agency at Mount Vernon (WSU), the Native Plant Garden is now a half-acre oasis that holds the seeds for the future of native plants in the lower Skagit Valley. The garden is a terrific resource for homeowners who want to learn how to incorporate more native plants into their landscaping.

Western Washington Fruit Research Foundation (NW Fruit)
The third garden on display is the fruit garden known as the Western Washington Fruit Research Foundation (or NWFruit.org). Here volunteers will answer questions about fruit trees. The 6-acre garden was designed and constructed by volunteers of the foundation and contains large informational signs and handouts based on the research conducted by Washington State University.

During the Open House volunteers will be on hand to explain examples of netting for bird control, a Tatura trellis, and answer questions about the expansive espalier display.

The fruit garden contains a large collection of fruiting plants with many unique varieties, including a collection of 17 variations of Gravenstein apples, a collection of antique apples from all over the world, and unusual fruits such as medlar and blue honeyberry. Located on the west side of the Discovery Garden the fruit garden is open to the public seven days a week from dawn to dusk.

Please join us for the Open House festivities on June 24, 2023 from 10 am – 2 pm. You are welcome to bring a blanket and picnic lunch and enjoy the day with family and friends.

The gardens are open and free to the public throughout the year, 7 days a week from dawn to dusk. Visit the gardens throughout the seasons to view the seasonal changes. Signage in each garden identifies plants and makes for interesting and educational self-guided tours.

 

RESOURCES:

ABOUT THE AUTHOR:

Janine Wentworth became a master gardener in 2018. She and Kay Torrance are co-chairs of the Discovery Garden Open House.

 

 

 

 

Questions about home gardening or becoming a master gardener may be directed to: Skagit County WSU Extension Office, 11768 Westar Lane, Suite A, Burlington, WA 98233; by phone: 360-428-4270; or via the website: www.skagit.wsu.edu/mg