Crassula exilis subsp. cooperi (Regel) Tölken
Crassula cooperi, Crassula bolusii, Sedum regelii
Crassula exilis subsp. cooperi is a branched succulent that forms dense cushions, often covering large areas of soil under rocks. Stems are covered with fine-spreading hairs. Leaves are grey-green with dark dimpled spots on the upper surface, flattened, up to 1.8 inches (4.5 cm) long, and up to 0.4 inches (1 cm) wide.
The flowers are small, cup-shaped, and white to more or less pink in color.
USDA hardiness zones 9b to 11b: from 25 °F (−3.9 °C) to 50 °F (+10 °C).
How to Grow and Care
Crassulas are easy to grow but susceptible to mealy bugs and fungal diseases. As with all succulents, overwatering is sure to be fatal, so err on the side of too dry rather than too wet. Never let your plant sit in water. If you water from beneath by letting the plant sit in a saucer of water, make sure to pour off any excess water after a few minutes.
These succulents are generally started by division, offsets, or leaf cuttings. Crassulas can be easily propagated from a single leaf. Sprout leaves by placing them into a potting mix for succulents, then covering the dish until they sprout.
Repot as needed, preferably during the warm season. To repot your Crassula, ensure the soil is dry before repotting, then gently remove the pot. Knock away the old soil from the roots, removing any rotted or dead roots. Treat any cuts with a fungicide. Place the plant in its new pot and backfill it with potting soil, spreading the roots as you repot. Leave the plant dry for a week or so, then begin to water lightly to reduce the risk of root rot.
Learn more at How to Grow and Care for Crassula.
Crassula exilis subsp. cooperi is native to South Africa (Cape Province).
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