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Blue Chalksticks

Curio repens

Also listed as Cacalia repens, Kleinia repens

groundcover☀️ full sun💧 low water❄ Hardy: Zone 9b – Zone 11b

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A low-growing succulent groundcover with slender, blue-gray cylindrical leaves that create a soft, feathery appearance. Produces small white or pale pink flowers in late summer and is excellent for rock gardens, containers, and dry landscapes.

Why grow it

Blue Chalksticks offers a distinctive fine texture and cool blue-gray foliage color that distinguishes it from coarser succulents in xeriscape plantings. Its low, spreading habit makes it useful as a groundcover in well-drained sites where taller sedums or echeveria would be less appropriate. The late-summer flowers provide modest seasonal interest without requiring supplemental water in established plantings across USDA zones 9-11.

Watch out for

This species performs best in lean, sandy, or gravelly soil and may decline in rich garden soil prone to retain moisture. In humid climates or poorly drained locations, root rot can develop despite the plant's drought tolerance, so site selection and soil amendment matter more than in arid regions.

Overview

Form
trailing, mat-forming
Growth Rate
moderate
Size
0.25–0.5′ tall × 1–2′ wide
Dormancy
evergreen
Family
Asteraceae
Erosion control

Native Range

South Africa

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SummerFall

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Companion Planting

Plants well with