Spiraea douglasii

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 Spiraea douglasii subsp. var.  Western spiraea
457px-Spiraea douglasii.jpg
Habit: shrub
Height: to
Width: to
6ft 6ft
Height: warning.png"" cannot be used as a page name in this wiki. to 6 ft
Width: warning.png"" cannot be used as a page name in this wiki. to 6 ft
Lifespan: perennial
Bloom: early summer, mid summer, late summer
Exposure: sun
Features: flowers
Hidden fields, interally pass variables to right place
Minimum Temp: °Fwarning.png"°F" is not a number.
USDA Zones: 4 to 10
Sunset Zones:
Flower features: red, pink
Rosaceae > Spiraea douglasii var. ,

Spiraea douglasii, commonly known as Hardhack Steeplebush, is a shrub of the Spiraea family. It is found in northwestern United States, Canada, and southern Alaska, east to Alberta and Idaho. Large clusters of small pink flowers form spires in early summer, later turning dark and persisting. The leaves are toothed toward the tips. Undersides are whitish with prominent veins. Hardhack grows best in sunny moist places where it forms tall thickets of wiry stems.

    Preferred Soil: Wet Soil, Moist Soil
    Preferred Sun: Full Sun, Partial Shade
    Growing speed: Moderate
    Reproduction: Yes, runners
    Size of plant: Shrub
    Leaves: Deciduous
    Blooming: Yes, Spring

Standard Cyclopedia of Horticulture

Spiraea douglasii, Hook. Shrub, 8 ft. high, with reddish brown, tomentose branches: lvs, oblong to narrow-oblong, rounded or acutish at both ends, unequally serrate above the middle, densely white-tomentose beneath, 1 1/2 - 4 in. long: fls. deep pink, in dense, rather narrow or sometimes broad panicles, 4-8 in. long; stamens twice as long as the obovate petals; sepals reflexed in fr.: follicles glabrous. July, Aug. Brit. Col. to Calif. CH

The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.



Pests and diseases




  1. http://www.cleanwaterservices.org/EducationAndOutreach/NativePlantFinder/PlantDisplay.aspx?commonName=Douglas%20Spirea

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