Hellebore, Lenten Rose 'Mellow Yellow Strain'

Helleborus x hybridus

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Helleborus (hel-eh-BORE-us)
Species
x hybridus (hy-BRID-us)
Synonym
Sun Exposure
Partial to Full Shade
Foliage
Herbaceous
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
Parts of plant are poisonous if ingested
Bloom Color
Red
Bright Yellow
Bloom Time
Late Winter/Early Spring
Mid Spring
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
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 rhizomes, tubers, corms or bulbs (including offsets)
Allow cut surface to callous over before planting
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Bessemer, Alabama

Eureka, California

San Francisco, California

San Rafael, California

Storrs Mansfield, Connecticut

Emporia, Kansas

Cincinnati, Ohio

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Gardener's Notes:

2
positives
0
neutral
0
negative
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A
Emporia, KS | January 2012 | positive

This plant has been very slow growing for me, and in the first year produced very few new leaves and only one bloom. It is in a west loca...Read More

M
STORRS MANSFIELD, CT | January 2012 | positive

Last winter, when the snow finally melted, the lenten rose was flowering. It had actually bloomed under the snow.

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Featured
Species Orchid
(Cypripedium kentuckiense)
Yellow-collared Scape Moth
(Cisseps fulvicollis)
Common Yellowthroat
(Geothlypis trichas)