Formosa Cactus
Echinopsis formosa 'Tafi del Valle'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Cactus Succulent
Height
36 inches
Width
24 inches
Light
Full Sun
Zones
9
Water
Low
Humidity
Low
Lifespan
Many years
Native To
South America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
A columnar cactus, often clumping from the base, with numerous ribs and stout spines. It produces large, showy, funnel-shaped flowers near the stem apex. Known for its large, vibrant flowers that are typically yellow to orange-red. It is a robust and relatively easy-to-grow cactus species.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into well-draining soil in spring.
- Mist cuttings lightly to encourage rooting.
- Place in full sun for at least 6 hours daily.
- Water sparingly during active growth, about once a month.
- Ensure pot has drainage holes to prevent waterlogging.
- Repot every 2-3 years to refresh soil.
Pro Tip
Use cactus-specific soil and avoid overwatering to prevent rot.
Keep It Thriving
Care Guide
Do
- Water only when soil is completely dry 🌱
- Provide full sun for optimal flowering
- Use well-draining soil to prevent root rot
Don't
- Overwater during winter ❌
- Keep in low light areas ❌
- Use heavy clay soil without drainage ❌
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Pest Check | ||||||||||||
| Winter Prep |
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
Formosa Cactus questions
What zones can Formosa Cactus grow in?
Formosa Cactus 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 Formosa Cactus deer resistant?
Not reliably. Deer may browse Formosa Cactus, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Formosa Cactus bloom?
Formosa Cactus typically blooms in late spring through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Formosa Cactus need full sun?
Formosa Cactus does best in full sun (6+ hours).
Is Formosa Cactus drought tolerant?
Yes — once established (usually after the first full season), Formosa Cactus handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
Keep exploring
Explore the genus
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Hardy in your zone?
Grow Formosa Cactus 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.
