Planting in shady area. - Knowledgebase Question

Clinton, md
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Question by anngreen0
September 2, 2007
I have an area of approximately 20'w x 30

Answer from NGA
September 2, 2007
Spring flowering bulbs can be planted in a shade garden, as they will bloom before the trees leaf out. There are many perennials and some annuals that will give you a wide range of color for your shade garden. Hostas with their handsome leaf colorations from green and cream variegated to lime green to almost blue provide leaf color. Their lavender or white lily-like flowers appear in summer. Hostas come in a wide range of sizes, some reaching 32" in height.

Another good choice for the shade garden is Astilbe. It requires evenly moist soil, is not drought tolerant and flowers in June or July providing your shade garden with plume flowers in white, reds and pinks. Ferns are also a good choice for a shade garden. Japanese Painted Fern is quite colorful in shades of green, silver and red. Sweet Woodruff makes a good ground cover and sports numerous dainty white flowers in May. It is shallow rooted and, therefore, does not interfere with other plants. Lenten Rose, Helleborus orientalis, needs moist well-drained soil with plenty of organic matter and blooms in April/May. It is deer and vole resistant. Lily-of-the-Valley has fragrant bell-shaped white flowers in May and is a diligent spreader. Coleus and Caladiums with their many colored leaves, begonias and impatiens are all annuals that will give color to your shade garden.

Excellent choices for shade gardens are native plants, which are plants that were growing here before the arrival of the European settlers. They are acclimated to our area and once established and properly sited do not need the care that some non-natives required. Ferns for this use would be Maidenhair Fern (Adiantum pednatum), Cinnamon Fern (Osmunda cinnamonea), and Royal Fern (Osmunda regalis) which requires a moist to wet site and can reach 6 foot in height with a 4-foot spread.

Spring blooming native perennials include Wild Columbine (Aquilegia canadensis) with red and yellow flowers that attract humming birds. They will often die back after flowering, but will then send up new foliage. Fringed Bleeding Heart (Dicentra eximia) has lovely pink flowers, Wild Geranium (Geranium maculatum) also has pink flowers, and Foamflower (Tiarella cordifolia) has foamy-like white flowers tinged with pink. This plant prefers a well-drained, acidic soil and needs watering during droughts. Alumroot (Heuchera americana) has glossy evergreen foliage and when young is marbled and red-veined. Brownish-green flowers shoot up in early summer. Heuchera ?Dale?s Selection? has silver mottled foliage.

Summer blooming plants for the shade garden would include Goat?s-beard (Aruncus dioicus), which grows from 3 to 7 feet in height and has plumes of creamy white flowers that are a good source of nectar. Cardinal Flower (Lobelia cardinalis) and Great Blue Lobelia (Lobelia siphilitica) bloom from summer into fall. These can reach a height of 2 to 4 feet. A very striking fall bloomer is Blue Wood Aster (Aster cordifolius) that grows to a height of 1 to 4 feet depending on the fertility of the soil and the amount of moisture.

By checking the bloom time, leaf color and texture of various plants, you can have a delightful shade garden with color and interest all season long. To really enjoy your garden, make a spot even if it?s only for one chair, so you can sit in the shade on a warm summer?s day and take pleasure in the fruits of your labors.

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