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Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Sun Exposure
Light Shade
Foliage
Grown for foliage
Herbaceous
Textured
Foliage Color
Dark/Black
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 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)
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Where to Grow
Danger
All parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Characteristics
Bloom Size
Bloom Time
Late Spring/Early Summer
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Remove fleshy coating on seeds before storing
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
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