Guides: Ponds and Streams
Hardiness
Candelabra Primulas (Primroses)
Candelabra primulas are majestic perennial plants noted for their eye-catching flowers carried in numerous whorls up their strong stems, like a wedding cake. Very hardy and long lived, they enjoy a long flowering season extending from late spring to midsummer, depending on varieties. Clump forming, they grow up to 1-3 ft. tall (30-90 cm) and self-sow profusely, ensuring that your display continues year after year. They are happiest in bog gardens, near ponds and streams and grow well in damp shady borders. USDA Zones: 4-8.
Iris ensata (Japanese Iris)
Native to Japan, Japanese Irises (Iris ensata) are among the most elegant and breathtaking Irises. More refined and less conspicuous than the Tall Bearded Irises, these Beardless Irises feature huge orchid-like flowers that are a delight to gaze at.
Brunnera macrophylla (Siberian Bugloss)
Resembling Forget-Me-Nots, Brunnera macrophylla (Siberian Bugloss) are rhizomatous herbaceous perennials with large, ovate or heart-shaped basal leaves and pretty sprays of small bright blue flowers in spring. Although their clouds of bright blue flowers add cool and striking color to the landscape, Brunneras are mostly valued for their beautiful foliage which creates a lush carpet of deep green or variegated leaves.
Iris sibirica (Siberian Iris)
Siberian Irises are terrific herbaceous perennials, rich with many qualities: fabulous looking, long display season, easy to grow, low maintenance and trouble free! Their exquisite flowers come in an array of gorgeous blue, purple, red-violet or yellow with newer cultivars in brown and orange shades, and can have a variety of forms from upright to flat and round. After blooming, their grass-like foliage of upright, blade-shaped leaves, is also one of their most attractive garden features as it remains fresh-looking all season.
Astilbes
Immensely popular, Astilbes are fabulous plants for shady, moist conditions. Admired for their graceful, colorful flower plumes rising elegantly above mounds of fern-like foliage which remains attractive all season long, they light up your shade garden for weeks and add a dazzling splash of color in the landscape
Persicaria amplexicaulis (Mountain Fleece)
A real beauty for the border, Mountain Fleece (Persicaria amplexicaulis) is a vigorous, upright perennial enjoying an extremely long bloom season from early summer to fall.
Zantedeschia (Calla Lily)
Spectacular and so easy to grow! Native to South Africa, Calla Lilies deserve a spot in the garden or at home. Whether used in borders, containers or as cut flowers, they always provide a spectacular effect with their rich, cheerful colors and their breathtaking trumpet-shaped flowers (spathe) surrounding a yellow finger-like stalk (spadix)
Best Perennials for Gardeners in the Pacific Northwest Region
Carefully selecting plants suited to the Pacific Northwest climate will be a key step to success. Plants will have to be drought tolerant in order to cope with the summer months with little or no rain. They will also have to survive the regular cold rainfall in winter and should be resistant to fungal diseases (as a result of the high humidity).
Best Perennials for Shady Gardens in the Pacific Northwest
If you are looking for beautiful, low-maintenance plants that will thrive in partial shade, you may want to consider these top performing perennials which will suit nicely.
Best Perennials for Moist and Wet Soils in the Pacific Northwest
If you are looking for beautiful and low-maintenance plants that thrive in moist or wet locations, you may want to consider these top performing perennials which will happily carry color through the garden.
Best Perennials for Late Summer and Fall in the Pacific Northwest
There are many spectacular late-flowering perennials that have the potential to revive your garden in the fall and extend color and joy in your landscape.
Best Perennials for Full Sun Gardens in the Pacific Northwest
If you are looking for beautiful, low-maintenance and hardy plants that will thrive under the sun of the Pacific Northwest region, you may want to consider these top performing perennials which will happily carry color through the garden.
Learn How To Plant, Care and Grow Magnificent Calla Lilies
Native to South Africa, Calla Lilies deserve a spot in the garden or at home. With very little work needed, they will burst into bloom and add bright notes of summer color to the garden, or to your pots inside your home - provided some basic rules are respected.
Most Fragrant Perennials for the Pacific Northwest Gardens
Perennial flowers are fabulous additions to our gardens. When carefully selected, waves after waves of colorful blooms will be enjoyed in your Pacific Northwest garden from spring to fall. Considering the huge number of available perennials, it is however surprising how few are grown for their fragrance.
Best Ornamental Grasses and Foliage Plants for Gardeners in New England
Ornamental grasses and foliage plants should not be overlooked by gardeners as they beautifully complement or contrast with perennial flowers, keep the interest flowing over a much longer period of time and add depth to your garden design.
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