yardremake
A mature Blue Chalksticks (Senecio serpens) growing in a residential garden bed

In the landscape

Accent · Border · Mass planting · Container · Hanging basket · Patio · Poolside · Small space

Data sources

NC State Extension

Blue Chalksticks

Senecio serpens · Succulent

Blue Chalksticks is a moderate-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 attracts butterflies and moths, stands up well to drought, dry soil and heat and grows happily in containers.

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
Toxic to
People
Native to
South Africa

Will it survive your winters?

We score Blue Chalksticks’s freeze-trouble range against the real coldest nights your area has recorded.

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.

More plants for your zone: Zone 9 · Zone 10 · Zone 11

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