Family: Rosaceae
(ro-ZAY-see-ee) Genus: Aruncus (arun-kus) Species: dioicus (dy-oh-EE-kus) Synonym:Aruncus sylvester Synonym:Spiraea aruncus Synonym:Spiraea paniculata
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Category PerennialsWater Requirements Average Water Needs; Water regularly; do not overwaterSun Exposure Partial to Full ShadeFoliage HerbaceousFoliage Color UnknownHeight 4-6 ft. (1.2-1.8 m)Spacing 4-6 ft. (1.2-1.8 m)Hardiness USDA Zone 3a: to -39.9 °C (-40 °F)USDA Zone 3b: to -37.2 °C (-35 °F) USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) |
Where to Grow UnknownDanger Seed is poisonous if ingestedBloom Color Cream/TanBloom Characteristics UnknownBloom Size UnknownBloom Time Late Spring/Early SummerMid Summer Other details UnknownSoil pH requirements 6.1 to 6.5 (mildly acidic)6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) Patent Information Non-patentedPropagation Methods From seed; direct sow outdoors in fallSeed Collecting Allow seedheads to dry on plants; remove and collect seeds |