
Senorita Blanca Spider Flower
Cleome x hybrida 'Señorita Blanca'
Essentials
At a Glance
Plant Type
Annual
Height
36 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Annual
Native To
South America
Toxicity
Non-toxic
The Story
Plant Bio
Cleome x hybrida 'Señorita Blanca' is a vigorous annual with tall, airy stems bearing palmate, fern-like foliage and clusters of large, fragrant white flowers that attract pollinators. This sterile cultivar is thornless, non-sticky, and not invasive like the species. It is valued for its striking white blooms and extended flowering period from summer to frost.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds 1/2 inch deep into moist soil in spring.
- Keep soil consistently moist until germination, about 7-14 days.
- Provide full sun for optimal flowering.
- Thin seedlings to 12 inches apart once established.
- Water regularly during dry spells, especially in first season.
- Fertilize monthly with a balanced fertilizer for best blooms.
Pro Tip
Sow seeds directly in the garden after last frost for best results.
Keep It Thriving
Care Guide
Do
- Water regularly during dry periods 🌱
- Deadhead spent flowers to encourage more blooms
- Provide full sun for vigorous growth
Don't
- Avoid overwatering, which can cause root rot ❌
- Don’t disturb roots during flowering
- Refrain from heavy fertilization that encourages foliage over flowers
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Plant | ||||||||||||
| Prune |
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
Senorita Blanca Spider Flower questions
What zones can Senorita Blanca Spider Flower grow in?
Senorita Blanca Spider Flower is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Senorita Blanca Spider Flower deer resistant?
Yes — Senorita Blanca Spider Flower is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Senorita Blanca Spider Flower bloom?
Senorita Blanca Spider Flower 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 Senorita Blanca Spider Flower need full sun?
Senorita Blanca Spider Flower does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Senorita Blanca Spider Flower drought tolerant?
Yes — once established (usually after the first full season), Senorita Blanca Spider Flower handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.




