Viola Species, Marsh Violet, Mountain Blue Violet, Hookspur Violet, Western Dog Violet
Violaadunca

Synonym:Viola bellidifolia

Synonym:Viola clarkiae

Synonym:Viola cordulata

Synonym:Viola demissa

Synonym:Viola desertorum

Category
Alpines and Rock Gardens
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Sun to Partial Shade
Light Shade

Foliage
Evergreen
Deciduous
Smooth

Foliage Color

Height
under 6 in. (15 cm)

Spacing
3-6 in. (7-15 cm)

Hardiness
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)

Where to Grow

Danger

Bloom Color
Blue-Violet
Lavender

Bloom Characteristics
Flowers are fragrant

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer

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
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored