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Curio repens (Blue Chalksticks)


Scientific Name

Curio repens (L.) P.V.Heath

Common Names

Blue Chalksticks, Blue Chalk Sticks


Cacalia glauca, Cacalia repens, Kleinia repens, Notonia glauca, Senecio repens, Senecio serpens, Senecio succulentus

Scientific Classification

Family: Asteraceae
Subfamily: Asteroideae
Tribe: Senecioneae
Subtribe: Senecioninae
Genus: Curio


This species is native to South Africa (Western Cape).


Curio repens, formerly known as Senecio serpens, is a small succulent shrub with fleshy, cylindrical leaves borne on prostrate stems. It grows up to 8 inches (20 cm) tall and spreads up to 3 feet (90 cm) wide. The stems root at the nodes as they touch the ground. Leaves are powdery blue-grey to blue-green and up to 2 inches (5 cm) long. Flowers are small, creamy-white, held in corymbs, and appear just above the foliage from summer to early fall.

The specific epithet "repens" derives from the Latin word "repo," meaning "creep or crawl" and refers to the creeping habit of the stems.

How to Grow and Care for Curio repens

Light: Keep Curio plants in partial shade if outdoors, which is their preference in summer, and bright sunlight if indoors. They will grow in full shade but will become lank and leggy.

Soil: These plants prefer well-draining soil. For growing Curio indoors, it is essential to use a container with at least one drainage hole at the bottom.

Hardiness: Curio repens can withstand temperatures as low as 25 to 50 °F (-3.9 to 10 °C), USDA hardiness zones 9b to 11b.

Watering: Curio plants are drought tolerant, but the soil should never be left dry for too long. They do need some water during the growing season but be careful not to leave the soil wet for prolonged periods.

Fertilizing: The members of this genus can take a bit more fertilizer than other succulents if you want them to grow fast.

Repotting: You do not need to repot Curio plants often. You can do it when you see that the container becomes too small or shallow.

Propagation: These plants can be grown from seeds or cuttings.

Learn more at How to Grow and Care for Curio.

Toxicity of Curio repens

Curio plants are toxic. Grow them with great care if you have children, pets, or livestock.


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