The Story
Plant Bio
Cobaea scandens, commonly known as the cup-and-saucer vine, is a vigorous, climbing perennial plant known for its unique bell-shaped flowers and lush green foliage.
Distinctive cup-shaped flowers that can reach up to 3 inches in diameter, making it a striking addition to trellises and fences.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Vine
Height
240 inches
Width
48 inches
Light
Full Sun, Partial Sun
Zones
9, 10
Water
Moderate
Humidity
Moderate to high
Lifespan
Tender perennial (grown as an annual)
Native To
Mexico
Toxicity
Non-toxic
Planting
How to Grow
- Tuck seeds 1 inch deep in well-draining soil in early spring.
- Mist cuttings to maintain humidity during propagation.
- Support with trellises or arbors for climbing growth.
- Water regularly, keeping soil moist but not waterlogged.
- Fertilize every 4-6 weeks with balanced fertilizer.
- Prune to control size and encourage bushier growth.
Pro Tip
Use a sturdy trellis; Cobaea scandens can grow rapidly and needs support early.
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist 🌱
- Provide full sun for best flowering
- Use balanced fertilizer monthly
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late fall or winter
- Never allow soil to dry out completely
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Pinch | ||||||||||||
| Plant | ||||||||||||
| Stake |
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
Cup-and-saucer Vine questions
What zones can Cup-and-saucer Vine grow in?
Cup-and-saucer Vine is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Cup-and-saucer Vine deer resistant?
Yes — Cup-and-saucer Vine is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Cup-and-saucer Vine bloom?
Cup-and-saucer Vine typically blooms in summer to frost through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Cup-and-saucer Vine need full sun?
Cup-and-saucer Vine does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Keep exploring
Explore the genus
Hardy in your zone?
Grow Cup-and-saucer 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.