“Star Cactus” is a small, slow-growing succulent with triangluar-shaped translucent leaves. The leaves bend back and create a rosette shape as they grow.
Haworthia retusa is easily grown indoors. As it grows, it produces clumping offests. Watch for small white flowers in the Spring and Summer.
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Full sun to partial shade
Can be grown indoors
Typical water needs for a succulent
Plant grows up to 3″ (7.5 cm) tall
Plant grows up to 6″ (15 cm) wide
Zone 9a (Minimum 20° F | -6.7° C)
Not cold hardy
Propagation by stem cuttings and offsets
Typically non-toxic to humans and animals
Actively grows in Spring and Fall
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Care and Propagation Information
General Care for Haworthia retusa “Star Cactus”
Haworthia retusa “Star Cactus” is a great addition to rock gardens or windowsills. Its green, windowed leaves collect sunlight, much like the windowed leaves of Fenestraria rhopalophylla “Baby Toes”.
“Star Cactus” has typical watering needs for a succulent. It’s best to use the “soak and dry” method, and allow the soil to dry out completely between waterings.
Where to Plant
“Star Cactus” is not cold hardy, so if you live in a zone that gets colder than 20° F (-6.7° C), it’s best to plant this succulent in a container that can be brought indoors. It does well in full to partial sun, does very well when planted indoors.
Pairs Well With
How to Propagate Haworthia retusa “Star Cactus”
Haworthia retusa “Star Cactus” can be propagated from stem cuttings and offsets.
To grow “Star Cactus” from cuttings, use a sterile, sharp knife or pair of scissors. Remove a stem from the main plant, and allow it to callous for several days before placing on well-draining soil. Water whenever the soil has dried out completely.
Haworthia retusa “Star Cactus” will produce small offsets, sprouting up around the base of the plant. Simply pull these up and allow the offsets to dry for one to two days before replanting in well-draining soil.
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