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PlantFiles: Hellebore, Lenten Rose
Helleborus 'Onyx Odyssey'

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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Helleborus (hel-eh-BORE-us) (Info)
Cultivar: Onyx Odyssey
Additional cultivar information: (Winter Jewels series)
Hybridized by Marietta O'Byrne

Synonym:Helleborus x hybridus

11 vendors have this plant for sale.

5 members have or want this plant for trade.

Category:
Perennials

Height:
12-18 in. (30-45 cm)

Spacing:
18-24 in. (45-60 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)

Sun Exposure:
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Dark Purple/Black

Bloom Time:
Late Winter/Early Spring

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater
Provides winter interest

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral altagracia On Apr 15, 2013, altagracia from Washington, DC wrote:

I planted seeds from onyx hellebore this spring. Will they germinate?

Regional...

This plant has been said to grow in the following regions:

Richmond, California
Fallston, Maryland
Cincinnati, Ohio
Poulsbo, Washington
Spokane, Washington



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