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Ranunculaceae
Hellebore, Lenten Rose 'Black Diamond'
Helleborusx hybridus
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Family
Ranunculaceae
(ra-nun-kew-LAY-see-ee)
Info
Genus
Helleborus
(hel-eh-BORE-us)
Info
Species
x hybridus
(hy-BRID-us)
Info
Synonym
Helleborus x hybridus
Sun Exposure
Partial to Full Shade
Foliage
Herbaceous
Provides Winter Interest
Height
12-18 in. (30-45 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
Danger
Parts of plant are poisonous if ingested
Bloom Color
Dark Purple/Black
Maroon/Burgundy
Bloom Time
Late Winter/Early Spring
Other Details
Category
Perennials
Water Requirements
Unknown - Tell us
Foliage Color
Unknown - Tell us
Where to Grow
Unknown - Tell us
Bloom Characteristics
Unknown - Tell us
Bloom Size
Unknown - Tell us
Other details
Unknown - Tell us
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Unknown - Tell us
Propagation Methods
Unknown - Tell us
Seed Collecting
Unknown - Tell us
Regional
This plant is said to grow outdoors in the following regions:
Spokane, Washington
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5 members have or want this plant for trade
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