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PlantFiles: Christmas Rose, Hybrid Hellebore, Lenten Rose
Helleborus x hybridus 'Kingston Cardinal'

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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)
Cultivar: Kingston Cardinal
Additional cultivar information: (Winter Dream series)

9 members have or want this plant for trade.

Category:
Perennials

Height:
18-24 in. (45-60 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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Partial to Full Shade

Danger:
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Fuchsia (Red-Purple)

Bloom Time:
Late Winter/Early Spring

Foliage:
Herbaceous
Leathery-Textured

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)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:
Patented

Propagation Methods:
Unknown - Tell us

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

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to view:

By kudrick
Thumbnail #1 of Helleborus x hybridus by kudrick

By kudrick
Thumbnail #2 of Helleborus x hybridus by kudrick

By stormyla
Thumbnail #3 of Helleborus x hybridus by stormyla

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral saya On Feb 24, 2013, saya from Heerlen
Netherlands (Zone 8b) wrote:

Helleborus orientalis crosses easy an do not come true from seeds. Every plant is more or less different and so unique. Nurseries are used to propagate plants from their prettiest and strongest plants. Still it is a surprise what comes out when flowering. I think this is a nice way to get unique and still charming plants.

However H. 'Kingston Cardinal' is in-vitro propagated and so cloned. All plants look identical.

Regional...

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

Fallston, Maryland
Durham, North Carolina
Dallas, Oregon
Norristown, Pennsylvania
Hartford, Wisconsin



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