Viola, English Violet, Garden Violet, Sweet Violet 'Royal Robe'

Violaodorata

Family
Violaceae (vy-oh-LAY-see-ee)
Genus
Viola (vy-OH-la)
Species
odorata (oh-dor-AY-tuh)
Synonym
Sun Exposure
Sun to Partial Shade
Light Shade
Partial to Full Shade
Foliage
Smooth
Height
6-12 in. (15-30 cm)
Spacing
15-18 in. (38-45 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
Lavender
Medium Purple
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Other Details
Category
Groundcovers
Herbs
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
Flowers are fragrant
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
Patent Information
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; direct sow after 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
Regional

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

Durham, Maine

Oklahoma City, Oklahoma

Haltom City, Texas

Featured Videos

Gardener's Notes:

1
positive
0
neutral
0
negative
Sort By:
Sort By:
C
Oklahoma City, OK (Zone 7b) | April 2022 | positive

Beautiful little shade plant with glossy green leaves and early fat blooms. My 'Royal Robe' has not seeded itself. It grows a little fatt...Read More

Featured
Saddleback Caterpillar Moth
(Acharia stimulea)
Striated Fieldwren
(Calamanthus fuliginosus)
Featured
Saddleback Caterpillar Moth
(Acharia stimulea)
Striated Fieldwren
(Calamanthus fuliginosus)