Helleborus × sternii Blackthorn Strain
Hybrid Lenten Rose |
USDA Zone: 6-9 |
Plant number: 1.256.850
This excellent hybrid strain forms clumps of deeply-cut grey-green foliage with exotic bold veining and marbling. In early spring, upright purple stems hold sprays of small nodding green flowers, flushed with pink. Performs best in regions with a mild maritime climate. Gardeners in colder climates would be wise to mulch around the base of the clump with leaves in very late fall. Plants should be trimmed only right after blooming, if at all. Plants prefer some direct sun with protection from afternoon heat. Evergreen. CAUTION: Harmful if eaten/Skin irritant.
Further details for Helleborus × sternii Blackthorn Strain
Optimal Growing Conditions
Sun Exposure Full Sun or Partial Shade
Soil Type Normal or Sandy
Soil pH Neutral or Alkaline or Acid
Soil Moisture Average or Moist
Care Level Easy
Appearance and Characteristics
Flower Colour Green Light Pink
Blooming Time Early Spring Mid Spring Late Spring Late Winter
Foliage Color Deep Green Grey Green Variegated
Plant Uses & Characteristics Accent: Good Texture/Form Alpine & Rock Border Containers Cut Flower Deer Resistant Edging Rabbit Resistant Evergreen Massed Specimen Woodland
Flower Head Size Small
Height 30-50 cm 12-20 inches
Spread 30-45 cm 12-18 inches
Foot Traffic None
Growth Rate Slow
Disclaimer: This information is presented for reference only. This plant is not currently part of our Heritage Perennials lineup.
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