The Story
Plant Bio
Viola odorata is a low-growing, spreading perennial prized for its sweetly scented flowers in early spring. It forms a mat of heart-shaped, dark green leaves.
A classic Parma violet, 'Duchesse de Parme' is cherished for its highly fragrant, fully double, lavender-blue flowers that bloom profusely in early spring. It is less hardy than the species.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
6 inches
Width
12 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Europe and Asia
Toxicity
Non-toxic to humans and pets
Bloom period
Early spring – Mid-spring
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds lightly into moist soil in early spring.
- Mist cuttings regularly to maintain humidity and encourage rooting.
- Transplant seedlings when they are sturdy, usually after last frost.
- Water consistently to keep soil evenly moist during growing season.
- Fertilize monthly with a balanced, water-soluble fertilizer.
- Divide clumps in early spring or fall to propagate.
Pro Tip
Use rich, well-draining soil and provide partial shade for best growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not waterlogged 🌱
- Apply mulch to retain soil moisture and suppress weeds
- Prune dead or damaged leaves to promote healthy growth
Don't
- Avoid overwatering which can lead to root rot ❌
- Do not expose to full, harsh midday sun in hot climates
- Refrain from using heavy, clay soil without amendment
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Pest Check | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Sweet Violet 'Duchesse de Parme' questions
What zones can Sweet Violet 'Duchesse de Parme' grow in?
Sweet Violet 'Duchesse de Parme' is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Sweet Violet 'Duchesse de Parme' deer resistant?
Yes — Sweet Violet 'Duchesse de Parme' is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Sweet Violet 'Duchesse de Parme' bloom?
Sweet Violet 'Duchesse de Parme' typically blooms in early spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Sweet Violet 'Duchesse de Parme' need full sun?
Sweet Violet 'Duchesse de Parme' does best in part shade.
More Viola to compare
Common Blue Violet
Viola sororia
Bird's Foot Violet
Viola pedata
Painted Porcelain Pansy
Viola x wittrockiana 'Painted Porcelain'
Northern Lights Horned Violet
Viola cornuta 'Northern Lights'
Rebecca Horned Violet
Viola cornuta 'Rebecca'
Whopping Purple Whiskers Pansy
Viola tricolor 'Whopping Purple Whiskers'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Sweet Violet 'Duchesse de Parme' with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.