Wallich's Conehead
Strobilanthes oligantha
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
12 inches
Light
Partial Sun
Zones
8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Himalayas
Toxicity
Non-toxic
The Story
Plant Bio
Strobilanthes oligantha is a herbaceous perennial characterized by its bushy growth habit, ovate green leaves, and clusters of small, tubular flowers that can be blue or purple, creating a vibrant display. This species is valued for its drought tolerance and adaptability to various soil conditions, making it a resilient choice for ornamental gardens.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into moist soil in spring.
- Maintain consistent moisture for best germination.
- Transplant seedlings after 6 weeks when established.
- Space plants 12 inches apart for airflow.
- Mulch around base to retain moisture.
- Fertilize monthly during growing season.
Pro Tip
Ensure well-draining soil and avoid overwatering to prevent root rot.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Prune after flowering to promote bushiness
- Fertilize monthly with balanced fertilizer
- Mulch to conserve moisture
Don't
- Overwater to prevent fungal issues ❌
- Allow soil to dry out completely between watering
- Skip pruning after flowering
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Pinch | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup | ||||||||||||
| 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
Wallich's Conehead questions
What zones can Wallich's Conehead grow in?
Wallich's Conehead is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Wallich's Conehead deer resistant?
Not reliably. Deer may browse Wallich's Conehead, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Wallich's Conehead bloom?
Wallich's Conehead 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 Wallich's Conehead need full sun?
Wallich's Conehead does best in part shade.
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Grow Wallich's Conehead 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.
