Hardy Tiger's Jaw
Chasmatophyllum masculinum 'Hardy Tiger's Jaw'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Cactus Succulent
Height
4 inches
Width
6 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Low
Humidity
Low
Lifespan
Perennial
Native To
South Africa
Toxicity
Non-toxic
The Story
Plant Bio
Chasmatophyllum masculinum is a low-growing, mat-forming succulent perennial. It features small, fleshy, triangular green leaves with toothed margins, resembling an open jaw. Extremely cold-hardy for a succulent, it produces masses of bright yellow, daisy-like flowers in late spring. It is highly drought-tolerant and ideal for rock gardens and xeriscaping.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds or cuttings into well-draining soil in spring.
- Water sparingly until roots establish, about 6 weeks.
- Place in full sun for optimal growth and flowering.
- Avoid overwatering to prevent rot.
- Use cactus soil mix for best results.
- Protect from frost during winter in colder zones.
Pro Tip
Ensure excellent drainage and avoid overwatering to keep healthy.
Keep It Thriving
Care Guide
Do
- Water sparingly during active growing season 🌱
- Use well-draining soil to prevent root rot
- Place in full sun for vibrant growth
Don't
- Overwater in winter ❌
- Use heavy, clay soil that retains moisture ❌
- Expose to prolonged shade or low light ❌
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mulch | ||||||||||||
| Plant |
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
Hardy Tiger's Jaw questions
What zones can Hardy Tiger's Jaw grow in?
Hardy Tiger's Jaw 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 Hardy Tiger's Jaw deer resistant?
Not reliably. Deer may browse Hardy Tiger's Jaw, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Hardy Tiger's Jaw bloom?
Hardy Tiger's Jaw typically blooms in late spring to early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Hardy Tiger's Jaw need full sun?
Hardy Tiger's Jaw does best in full sun (6+ hours).
Is Hardy Tiger's Jaw drought tolerant?
Yes — once established (usually after the first full season), Hardy Tiger's Jaw 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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Grow Hardy Tiger's Jaw 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.
