The Story
Plant Bio
Campsis grandiflora, or the Chinese trumpet vine, is known for its large, trumpet-shaped flowers and vigorous growth.
It features exceptionally large flowers compared to other species in the genus, making it highly attractive to hummingbirds.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Vine
Height
120 inches
Width
60 inches
Light
Full Sun, Partial Sun
Zones
6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
20+ years
Native To
Eastern North America
Toxicity
Non-toxic to humans and pets
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck climbing supports or trellises into the soil securely.
- Mist cuttings regularly to maintain humidity during propagation.
- Water deeply once a week during dry periods.
- Prune after flowering to encourage new growth and shape the vine.
- Apply balanced fertilizer in early spring for vigorous growth.
- Mulch around the base to retain moisture and suppress weeds.
Pro Tip
Train the vine early on for a strong, attractive display and easier maintenance.
Keep It Thriving
Care Guide
Do
- Provide full sun for optimal flowering 🌞
- Water consistently, especially during dry spells 💧
- Prune annually after flowering to shape and promote growth
- Use a sturdy support structure to guide the vine
- Apply organic compost annually for healthy growth
Don't
- Don't overwater to prevent root rot ❌
- Avoid pruning in late fall or winter to protect buds ❌
- Don't ignore support needs; this vine needs structure ❌
- Refrain from using high-nitrogen fertilizers that promote foliage over flowers ❌
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Prune | ||||||||||||
| Stake |
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
Chinese Trumpet Vine questions
What zones can Chinese Trumpet Vine grow in?
Chinese Trumpet Vine is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Chinese Trumpet Vine deer resistant?
Not reliably. Deer may browse Chinese Trumpet Vine, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Chinese Trumpet Vine bloom?
Chinese Trumpet Vine typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Chinese Trumpet Vine need full sun?
Chinese Trumpet Vine does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Chinese Trumpet Vine drought tolerant?
Yes — once established (usually after the first full season), Chinese Trumpet Vine handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Campsis to compare
Keep exploring
Explore the genus
Hardy in your zone?
Grow Chinese Trumpet Vine 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.