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Primulaceae
Primula, Auricula Primrose, Bear's Ear, Mountain Cowslip 'Pinwheel'
Primulaauricula
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Genus
Primula
(PRIM-yew-luh)
Info
Species
auricula
(aw-RIK-yoo-luh)
Info
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Smooth
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 3b: to -37.2 °C (-35 °F)
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
Unknown - Tell us
Bloom Color
Magenta (pink-purple)
Lavender
Medium Purple
Bloom Time
Mid Spring
Other Details
Category
Alpines and Rock Gardens
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Unknown - Tell us
Where to Grow
Unknown - Tell us
Bloom Characteristics
Unknown - Tell us
Bloom Size
Unknown - Tell us
Other details
Unknown - Tell us
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Unknown - Tell us
Propagation Methods
By dividing the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional
This plant is said to grow outdoors in the following regions:
Richmond, California
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