Also known as Trumpet Vine · 180 saves
Campsis
Campsis, the genus most gardeners know as trumpet vine. We track 4 varieties; the ones most used by real gardeners.
The 4 most-saved Campsis varieties
Species of Campsis
Each one is a parent of the varieties above.
Track your Campsis in Sow
Save the Campsis you grow and get care reminders timed to your zone.
How to grow Campsis
Whats common across all Campsis varieties in our catalog — drawn from the care records of the 4 most-grown of them.
The Campsis year
- PruneJanuary and February100% of varieties
Cut back hard in late winter to control size; remove aggressive root suckers throughout summer.
- PlantMarch and April50% of varieties
Plant container stock in spring or fall; ensure structure is strong enough to support mature vine.
- FertilizeMarch50% of varieties
Apply balanced fertilizer only if growth is weak or soil is poor.
Do
- Provide full sun for best flowering 🌞
- Water deeply during dry spells 💧
- Prune after flowering to maintain shape ✂️
- Use a balanced fertilizer in spring 🌱
- Support with a strong trellis or arbor
Avoid
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late fall or winter ❌
- Avoid fertilizing with high nitrogen in summer ❌
- Don’t neglect support structures ❌
What goes wrong with Campsis
| Problem | What you'll see | What to do |
|---|---|---|
| Aphids | Sticky residue and distorted leaves | Spray with insecticidal soap or neem oil |
| Scale insects | Tiny bumps on stems and leaves | Use horticultural oil or insecticidal soap |
| Powdery mildew | White powder on leaves | Improve air circulation, apply fungicide |
| Root rot | Wilting and yellowing leaves | Ensure well-draining soil and reduce watering |
| Powdery Mildew | White powdery coating on leaves | Improve air circulation and apply fungicide if needed |
Making more Campsis
Cuttings
- Take 6-inch hardwood cuttings in late fall.
- Dip in rooting hormone and plant in moist soil.
- Keep soil moist for 6 weeks until roots develop.
Layering
- Select a low-growing vine section in early spring.
- Bury part of stem in soil, secure with a pin.
- Water regularly and wait 6 weeks for roots to form.
Campsis questions
How many types of Campsis are there?
The Sow catalog tracks 4 distinct Campsis varieties. The most popular — ranked by 180 real gardeners — are shown first above.
What zones does Campsis grow in?
Across its varieties, Campsis 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 Campsis bloom?
Most Campsis varieties bloom in mid-summer, summer to fall. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Campsis 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.