European Gentian
Gentiana asclepiadea
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Europe and Asia
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Gentiana asclepiadea, commonly known as the willow gentian, is a perennial herbaceous plant with upright stems, ovate leaves, and striking trumpet-shaped blue flowers that bloom in late summer. This species is admired for its vibrant, long-lasting blue flowers and its ability to thrive in partially shaded, moist woodland conditions, making it a popular choice for shaded borders.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds or cuttings into moist soil in early spring.
- Water regularly to keep soil consistently moist.
- Mulch around the plant to retain moisture and suppress weeds.
- Fertilize with a balanced, slow-release fertilizer in spring.
- Prune back dead stems in late fall to promote healthy growth.
- Divide clumps every 3-4 years in early spring for propagation.
Pro Tip
Ensure well-draining, slightly acidic soil for best growth.
Keep It Thriving
Care Guide
Do
- Water consistently, especially during dry periods 🌱
- Mulch to conserve moisture and regulate soil temperature
- Prune to shape and remove dead stems
Don't
- Avoid waterlogging, which can cause root rot ❌
- Don't fertilize with high nitrogen fertilizers, as it promotes foliage over flowers
- Limit disturbance during flowering period
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
European Gentian questions
What zones can European Gentian grow in?
European Gentian is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is European Gentian deer resistant?
Not reliably. Deer may browse European Gentian, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does European Gentian bloom?
European Gentian typically blooms in late summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does European Gentian need full sun?
European Gentian does best in part shade.
More Gentiana to compare
Cross Gentian
Gentiana cruciata 'Blue Cross Bottle Gentian'
Soapwort Gentian
Gentiana saponaria
Crested Gentian
Gentiana septemfida 'lagodechiana'
Catesby's Gentian
Gentiana catesbyi
True Blue Gentian
Gentiana gentiana 'True Blue'
Japanese Gentian
Gentiana scabra
Keep exploring
Explore the genus
Collections featuring this plant
Grow European Gentian 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.
