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Family: Orobanchaceae
Genus: Rehmannia
(re-MAN-nee-uh) Species: elata (el-AH-tuh)
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Category PerennialsWater Requirements Average Water Needs; Water regularly; do not overwaterSun Exposure Sun to Partial ShadeFoliage HerbaceousSmooth Foliage Color UnknownHeight 24-36 in. (60-90 cm)Spacing 18-24 in. (45-60 cm)Hardiness 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 Grow outdoors year-round in hardiness zoneCan be grown as an annual Danger Seed is poisonous if ingestedParts of plant are poisonous if ingested All parts of plant are poisonous if ingested Bloom Color Rose/MauveMedium Purple White/Near White Bloom Characteristics UnknownBloom Size UnknownBloom Time Mid SummerLate Summer/Early Fall Other details May be a noxious weed or invasiveSoil pH requirements 6.6 to 7.5 (neutral)Patent Information Non-patentedPropagation Methods By dividing the rootballSeed Collecting Allow pods to dry on plant; break open to collect seedsAllow seedheads to dry on plants; remove and collect seeds Properly cleaned, seed can be successfully stored |