Crassula Rupetris High Voltage is a branching succulent with triangular leaves that develop pink to red edges in bright sunlight. It has a branching habit and can get leggy. Cutting it back will allow the plant to grow fuller as two new branches will grow from every cut. Crassula High Voltage is drought tolerant but cannot tolerate frost. They have many colors from green to yellow or from pink to red in bright sunlight. It displays white or pink flowers in spring or early summer.
Sun exposure: Full sun. Water: Water thoroughly when soil is dry to the touch, then let drain completely. Avoid letting water sit for too long in the soil to prevent rot and fungal diseases. Reduce watering in the winter. Soil: Well-Drained, Porous, Gritty. Optimal pH is around 6.0 (slightly acidic). Temperature: Average summer temperatures from 65ºF/18ºC to 70ºF/21ºC are ideal. In winter, it can survive temperatures as low as 50ºF/10ºC. Fertilizer: Feed once with a controlled-release fertilizer at the beginning of the growing season. Propagation: You can propagate Crassula High Voltage by division, offsets or leaf cuttings. The easiest way is to propagate from a single leaf: put the leaf in a succulent or cacti mix, then cover until it sprouts.
USDA Zone 9b: to -3.8 °C (25 °F) USDA Zone 10a: to -1.1 °C (30 °F) USDA Zone 10b: to 1.7 °C (35 °F) USDA Zone 11: above 4.5 °C (40 °F)