SucculentsBlue Chalksticks
Senecio serpens
Blue Chalksticks (Senecio serpens) is a medium-growing succulent, hardy in USDA zones 9-12. It does best in full sun and part shade in well-drained, occasionally-dry and very-dry soil. It blooms in yellow, purple and white. It attracts butterflies and moths, stands up well to drought, dry soil and heat.
- USDA zones
- 9-12
- Sun
- Full sun, Part shade
- Growth rate
- Medium
- Maintenance
- Low
- Soil
- Well-drained, Occasionally-dry, Very-dry
- Bloom color
- Yellow, Purple, White
- Attracts
- Butterflies, Moths
- Tough against
- Drought, Dry soil, Heat
- Native to
- South Africa
In the landscape
Data sources
Freeze survival
Will it survive your winters?
Hardiness zones show a normal bad winter. We check the worst one — Blue Chalksticks is hardy to about 20°F (estimated from USDA zone 9), so we'll score it against the real coldest nights your area has actually had.
Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.
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