WebSpiraea douglasii Douglas spirea Easy (90-100%). Roots readily without treatment. However, root development may improve with 5000 ppm IBA solutions, but without fungicide treatment Captan-talc (4). Not widely reported. Fall cuttings with rooting hormone have been used (19). Easy from root cuttings, layering, root suckers, and division (15). WebJul 13, 2024 · Douglas-spiraea is primarily a wetland plant, with beautiful steeple-shaped flower clusters, which give it its other name, steeplebush. Planting. Mostly container seedlings, not widely available. Natural Regeneration. Regenerates primarily through sprouting from underground stems, called rhizomes. Streamside Planting Zone: 1; …
Spiraea douglasii Encyclopedia of Puget Sound
WebSpiraea douglasii Hook. Names: The word Spiraea comes from a Greek plant that was commonly used for garlands. Douglas Spiraea is named after David Douglas. It is also commonly known as Hardhack, Steeplebush, or as Western, Pink or Rose Spiraea. … My name is Dana Kelley Bressette. I have a bachelor of science degree in … Some of these wildflower seeds need a cold-winter stratification, so it is better to … Pacific Ninebark The Rose Family–Rosaceae (Pursh) Kuntze (Fy … Dana is available for lectures & workshops in the Puget Sound region. Speaking … Distribution: The variety douglasii, is found from coastal southeast Alaska and … Snowbrush The Buckthorn Family–Rhamnaceae Ceanothus … Spiraea lucida Douglas ex Greene (spy-REE-uh LOO-sih-duh) Names: The … Click on a link for a full treatment of each species: The Big Three–the most … Plants are organized as: Conifers Broadleaved Trees Evergreen Shrubs … To find a source for native plants check out the source lists at: The Washington … WebSpirea douglasii, also known as hardhack or Douglas' spirea, is a species of flowering plant in the rose family. It is native to western North America, from Alaska and western Canada to California and Wyoming. It is a … helsinginkatu
Species Selection Guide – Sound Native Plants
WebYou get the best results by putting the right plant in the right place, but these plants cut you more slack than most. Plants are arranged by the soil moisture needs, starting with the wettest. Species. Comments. Sitka willow. Salix sitchensis. container-grown or stakes. … WebDouglas' spirea is a rhizomatous shrub that often forms dense colonies [1,4,32]. It will sprout from the stem base and root crown following disturbance [4,29]. In Washington following the May 18, 1980 volcanic eruption of Mount St. Helens, Douglas' spirea showed extensive rhizome WebOne bundle of five 18”+ bare root Douglas Spirea <—Back to Shop Bloom: pink, June-September Height: up to 6 ft Width: up to 5 ft, spreads to form larger thickets Optimal Moisture Requirements: Moist – Wet Light Requirements: Part Shade – Sun Notes: … helsinginpantti.fi