Hellebore, Lenten Rose, Christmas Rose, Black Hellebore 'HGC Jacob'

Helleborus niger

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Helleborus (hel-eh-BORE-us) (Info)
Species: niger (NY-ger) (Info)
Cultivar: HGC Jacob
Additional cultivar information:(PP17799; Helleborus Gold Collection)
Hybridized by Heuger
Registered or introduced: 2005
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Foliage Color:


Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


6-12 in. (15-30 cm)


9-12 in. (22-30 cm)


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)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Sun to Partial Shade

Light Shade


All parts of plant are poisonous if ingested

Bloom Color:

Pale Green

White/Near White

Bloom Time:

Late Winter/Early Spring

Mid Spring




Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:


Propagation Methods:

By dividing the rootball

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; stratify if sowing indoors

Seed Collecting:

Bag seedheads to capture ripening seed

Allow pods to dry on plant; break open to collect seeds

Properly cleaned, seed can be successfully stored

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


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

Columbus, Ohio

Woodstock, Virginia

Gardeners' Notes:

No details have been posted.