Family: Clusiaceae
Genus: Hypericum (hy-PER-ee-kum) (Info)
Species: cerastoides (ker-ras-TOY-deez) (Info) (ser-as-TOI-deez) (Info)
Cultivar: Silvana
Category:
Alpines and Rock Gardens
Groundcovers
Height:
under 6 in. (15 cm)
Spacing:
6-9 in. (15-22 cm)
Hardiness:
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:
Full Sun
Danger:
Unknown - Tell us
Bloom Color:
Bright Yellow
Bloom Time:
Late Spring/Early Summer
Foliage:
Blue-Green
Other details:
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information:
Unknown - Tell us
Propagation Methods:
From seed; sow indoors before last frost
Seed Collecting:
Unknown - Tell us
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