Family: Boraginaceae
Genus: Lithodora (lith-oh-DOR-uh) (Info)
Species: diffusa (dy-FEW-sa) (Info)
Cultivar: White Star
Additional cultivar information: (PP20078)
Hybridized by Takao; Year of Registration or Introduction: 2008
 10 members have or want this plant for trade.
Category:
Alpines and Rock Gardens
Groundcovers
Perennials
Height:
6-12 in. (15-30 cm)
Spacing:
12-15 in. (30-38 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)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
Handling plant may cause skin irritation or allergic reaction
Bloom Color:
Medium Blue
Dark Blue
White/Near White
Bloom Time:
Late Spring/Early Summer
Mid Summer
Blooms repeatedly
Foliage:
Evergreen
Velvet/Fuzzy-Textured
Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information:
Patented
Propagation Methods:
From softwood cuttings
From seed; sow indoors before last frost
Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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