Also known as Gentian · 394 saves
Gentiana
Gentiana, the genus most gardeners know as gentian. We track 9 varieties; the ones most used by real gardeners.
The 9 most-saved Gentiana varieties
Track your Gentiana in Sow
Save the Gentiana you grow and get care reminders timed to your zone.
How to grow Gentiana
Whats common across all Gentiana varieties in our catalog — drawn from the care records of the 9 most-grown of them.
The Gentiana year
- MulchMarch89% of varieties
Apply organic mulch to keep roots cool and retain moisture
- PlantMarch, April, September and October89% of varieties
Plant in rich, well-drained soil during cool weather
- Spring CleanupFebruary78% of varieties
Cut back old, dead foliage before new shoots emerge
- FertilizeMarch67% of varieties
Light feeding with a balanced fertilizer in early spring
- DivideMarch44% of varieties
Divide overcrowded clumps every 3-5 years in early spring.
Do
- Water regularly to keep soil moist 🌱
- Provide partial shade in hot climates
- Mulch to retain moisture and suppress weeds
- Mulch to retain soil moisture
- Deadhead to prolong flowering
Avoid
- Avoid overwatering to prevent root rot ❌
- Don’t let soil dry out completely
- Don’t expose to full, harsh sunlight
- Refrain from heavy fertilization in winter
What goes wrong with Gentiana
| Problem | What you'll see | What to do |
|---|---|---|
| Aphids | Sticky honeydew on leaves, distorted growth | Use insecticidal soap or neem oil spray |
| Slugs | Holes in leaves and slime trails | Use organic slug bait or handpick during damp evenings |
| Snails | Chewed leaves and stems | Use iron phosphate slug bait |
| Root rot | Wilting, yellowing leaves, mushy roots | Ensure well-drained soil, avoid overwatering |
| Root Rot | Wilting, yellowing leaves, decayed roots | Improve drainage, reduce watering, treat with organic fungicide |
| Powdery mildew | White powder on leaves | Apply fungicide and improve air circulation |
Making more Gentiana
Division
- Divide clumps in early spring or fall.
- Replant divisions immediately into prepared soil.
Seed
- Tuck seeds into moist soil in early spring and keep consistently moist.
- Germination occurs in 2-4 weeks.
Gentiana questions
How many types of Gentiana are there?
The Sow catalog tracks 9 distinct Gentiana varieties. The most popular — ranked by 394 real gardeners — are shown first above.
What zones does Gentiana grow in?
Across its varieties, Gentiana covers USDA Zones 4–9. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Gentiana bloom?
Most Gentiana varieties bloom in summer, late summer, fall. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Gentiana should I choose?
Start from the most-saved varieties above — popularity across thousands of gardens is a strong signal of reliability — then filter by your zone and sun. In the Sow app you can preview any of them in a photo of your actual yard before you buy.