Family: Acanthaceae
(ah-kanth-AY-see-ee) Genus: Acanthus (a-KANTH-us) Species: spinosus (spy-NO-sus) Synonym:Acanthus caroli-alexandri Synonym:Acanthus spinosus subsp. spinosissimus
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Category PerennialsWater Requirements Average Water Needs; Water regularly; do not overwaterSun Exposure Sun to Partial ShadeFoliage HerbaceousTextured Foliage Color UnknownHeight 36-48 in. (90-120 cm)Spacing 24-36 in. (60-90 cm)Hardiness 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) USDA Zone 10a: to -1.1 °C (30 °F) USDA Zone 10b: to 1.7 °C (35 °F) USDA Zone 11: above 4.5 °C (40 °F) |
Where to Grow UnknownDanger Plant has spines or sharp edges; use extreme caution when handlingBloom Color PinkMedium Purple White/Near White Bloom 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 fallFrom 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 Bag seedheads to capture ripening seed |