Helleborus Species, Red Hellebore, Lenten Rose

Helleborusdumetorum subsp. atrorubens

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Helleborus (hel-eh-BORE-us)
Synonym
Helleborus atrorubens
Sun Exposure
Partial to Full Shade
Foliage
Evergreen
Deciduous
Smooth
Height
12-18 in. (30-45 cm)
Spacing
15-18 in. (38-45 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
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
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Regional

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

Perrysburg, Ohio

Featured Videos

Gardener's Notes:

0
positive
0
neutral
0
negative
Sort By:
Sort By:
Featured
Purple-crested Slug Moth
(Adoneta spinuloides)
Green Ibis
(Mesembrinibis cayennensis)
Featured
Purple-crested Slug Moth
(Adoneta spinuloides)
Green Ibis
(Mesembrinibis cayennensis)