Crassula rubricaulis — a hard houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Crassula rubricaulis

Crassula Rubricaulis

Updated · 4 observations
ON THIS PLANT

Crassula rubricaulis (Red-stem Crassula) is a succulent plant native to the coastal mountains of the Eastern Cape and Western Cape of South Africa.

A note from PlantMom

Red-stem crassula has moderate disease resistance and is relatively sensitive to humidity. High humidity makes it more prone to disease, and it tends to develop root rot during dormancy. Regarding care, it tolerates drought but requires more water in the growing season. Watering should be greatly reduced or stopped entirely while it is dormant. Red-stem crassula is best for growers with some experience, as it can be challenging to care for, particularly during dormancy. It is especially appropriate for those who can dedicate time to its care over the winter months.

— PlantMom
CARE GUIDE

How to keep Crassula Rubricaulis.

Light

Red-stem crassula comes from habitats with dappled light, such as the forest understory or rocky sites that offer natural shade. It favors partial sun but is also able to tolerate full sun.

Water

The red-stem crassula requires minimal watering, which depends on factors like weather, the plant’s condition, soil moisture, and the type of pot used. During hot weather or when the plant is dormant, reduce watering to once every one to two weeks. To prevent root rot during summer, water the plant in the evening. Keep an eye out for signs that the plant needs water, such as wrinkling leaves.

Temperature

Red-stem crassula can tolerate some heat, but it mainly thrives and grows in cooler seasons and goes dormant in summer. In very hot summer conditions, provide shade to avoid scorching from intense sunlight. Watering should be reduced or stopped during the hottest period to prevent root rot. The plant grows vigorously in winter and spring, and if temperatures do not fall too low it will continue to grow steadily.

Fertilizer

For Red-stem crassula, light applications of fertilizer once or twice a year during the growing season are adequate. Avoid fertilizing in winter and in summer when it is dormant. Cut back on fertilizer for repotted plants and wait a couple of months after repotting before applying any. Fertilizing supports healthy growth and encourages blooms.

Pruning

To promote growth and improve its shape, prune the red-stem crassula in early spring. Be sure to use clean tools to remove any dead stems, as this will enhance airflow and reduce the risk of fungal infections. Trim back overgrown branches to keep the plant compact, but avoid excessive pruning to prevent stress. This process helps maintain the health and aesthetic appeal of the red-stem crassula.

Pot & Repot

When repotting Red-stem crassula, choose a pot slightly larger than the current one that has good drainage. Use a well-draining, gritty succulent or cactus mix. Gently remove the plant from its old pot, brush off excess soil, and replant it at the same depth. Wait for a few days before watering to allow any root damage to heal. Repot in spring or fall and place it in a brightly lit spot.

CHARACTERISTICS

Botanical profile.

Plant Type
Succulent
Life Cycle
Perennial
Genus
Crassula
Family
Crassulaceae
Hardiness Zone
10-11
Mature Height
25 cm
Mature Spread
34 cm
Leaf Color
Green, Red
Leaf Type
Evergreen
Flower Color
White
Flower Size
0.51 cm to 1.02 cm
Bloom Time
Winter
Planting Time
Spring, Summer, Autumn
Harvest Time
Late winter, Early spring, Mid spring
Native Area
South Africa
PLATES
Crassula rubricaulis leaf
PLATE 01 · leaf
Crassula rubricaulis leaf
PLATE 02 · leaf
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