Family: Asteraceae
(ass-ter-AY-see-ee) Genus: Achillea (ak-ih-LEE-a) Species: ptarmica (TAR-mik-uh) Cultivar: Angel's Breath
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Category PerennialsWater Requirements Drought-tolerant; suitable for xeriscapingSun Exposure Full SunFoliage HerbaceousFoliage Color UnknownHeight 18-24 in. (45-60 cm)Spacing 18-24 in. (45-60 cm)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) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F) |
Where to Grow UnknownDanger N/ABloom Color White/Near WhiteBloom Characteristics UnknownBloom Size UnknownBloom Time Mid SummerLate Summer/Early Fall Other details May be a noxious weed or invasiveSoil 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 By dividing the rootballFrom seed; winter sow in vented containers, coldframe or unheated greenhouse From seed; sow indoors before last frost From seed; direct sow after last frost Seed Collecting Allow seedheads to dry on plants; remove and collect seedsProperly cleaned, seed can be successfully stored N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed |