Primula, Common Primrose, Double English Primrose 'Belarina Cobalt Blue'

Primulaacaulis subsp. acaulis

Genus
Primula (PRIM-yew-luh)
Synonym
Primula vulgaris
Sun Exposure
Light Shade
Partial to Full Shade
Foliage
Herbaceous
This plant is resistant to deer
Height
6-12 in. (15-30 cm)
Spacing
12-15 in. (30-38 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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Dark Blue
Medium Blue
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
Suitable for growing in containers
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
By dividing the rootball
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Quincy, Massachusetts

Royal Oak, Michigan

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Gardener's Notes:

1
positive
0
neutral
0
negative
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(Zone 1) | August 2014 | positive

A delightful double darkest blue Primula which is absolutely smothered in flowers from early spring. It will continue to flower intermitt...Read More

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