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Family: Gentianaceae
(jen-shun-AY-see-ee) Genus: Gentiana (jen-shee-AN-uh) Species: cruciata (kruks-ee-AY-tuh)
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Category Alpines and Rock GardensPerennials Water Requirements Average Water Needs; Water regularly; do not overwaterSun Exposure Full SunSun to Partial Shade Foliage HerbaceousSmooth Foliage Color UnknownHeight 6-12 in. (15-30 cm)Spacing 12-15 in. (30-38 cm)15-18 in. (38-45 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) |
Where to Grow UnknownDanger UnknownBloom Color Dark BlueMedium Blue Bloom Characteristics UnknownBloom Size UnknownBloom Time Mid SummerLate Summer/Early Fall Mid Fall Other details UnknownSoil pH requirements 6.6 to 7.5 (neutral)7.6 to 7.8 (mildly alkaline) 7.9 to 8.5 (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; stratify if sowing indoors Seed Collecting Allow pods to dry on plant; break open to collect seedsProperly cleaned, seed can be successfully stored |