Family: Primulaceae
Genus: Primula (PRIM-yew-luh) (Info)
Species: hirsuta (her-SOO-tuh) (Info)
Synonym:Primula rubra
Category:
Alpines and Rock Gardens
Height:
under 6 in. (15 cm)
Spacing:
9-12 in. (22-30 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)
Sun Exposure:
Sun to Partial Shade
Danger:
N/A
Bloom Color:
Rose/Mauve
Bloom Time:
Mid Spring
Foliage:
Evergreen
Other details:
Average Water Needs; Water regularly; do not overwater
Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Propagation Methods:
By dividing the rootball
From herbaceous stem cuttings
From seed; stratify if sowing indoors
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
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