Crassulaceae
Fragile Crassula (Crassula expansa)
Crassula expansa
Easy to keep in a pot or as ground cover among rocks. It wants part shade or bright light and fast-draining soil, with little water. The main risk is root rot in wet soil. Protect it from hard frost, and replant any pieces that break off, because they root easily.
Every 10 days
Partial shade
5° - °C
% - %
Categories
What is Fragile crassula?
Fragile crassula (Crassula expansa) is a easy-care plant from the Crassulaceae family. Crassula expansa is a small, sprawling succulent from southern Africa, widespread in South Africa and also found in Namibia, Zimbabwe and Mozambique. It forms a loose mat up to 6 cm tall and about 50 cm across, with thin, heavily branched stems that lie along the ground. The fleshy leaves vary a lot...
Fragile crassula grows up to 6cm, spread of 50cm, watering every 10 days. It is suitable for indoor environments and safe for pets.
Unlike many tropical plants, Fragile crassula tolerates watering mistakes. Best for beginners. Unlike many popular species, Fragile crassula is safe to keep around pets. Without adequate drainage, root rot can develop within 20 days.
How to Care for Fragile crassula?
TLDR: Fragile crassula needs Partial shade, watering every 10 days, and temperatures between 5-30°C with 40-70% humidity.
How Often Should You Water Fragile crassula?
Let the soil dry between waterings. About every 10 days is usually enough while it is growing, but the plant will tell you: pink or reddish leaves mean it is thirsty. Water far less in winter, since cold wet soil can kill the roots.
How Much Light Does Fragile crassula Need?
Dappled light or part shade suits it best. It can take direct sun, but give it shade during the hottest part of the day. It likes good light and moving air.
What Is the Best Soil for Fragile crassula?
Regular potting soil mixed with coarse sand, or a succulent mix. Drainage is what matters: standing water rots the roots.
What Pot Should You Use for Fragile crassula?
A wide, shallow pot with a drainage hole. The roots are short and the plant spreads sideways.
Care Schedule
Fertilize
Every 30 days
Repot
Every 730 days
What Is Fragile crassula and Where Does It Come From?
Crassula expansa is a small, sprawling succulent from southern Africa, widespread in South Africa and also found in Namibia, Zimbabwe and Mozambique. It forms a loose mat up to 6 cm tall and about 50 cm across, with thin, heavily branched stems that lie along the ground. The fleshy leaves vary a lot from plant to plant, from nearly cylindrical to flat, in green, red or pinkish green. Tiny white or pale pink flowers come mainly in midsummer but can appear at any time of year. Many forms turn pink or reddish when they run short of water.
How to Propagate Fragile crassula?
Stem cuttings
It roots very quickly during the rainy or growing season. Even pieces that fall off on their own often take.
- 1 Snap or cut a short piece of stem with leaves
- 2 Set it in a shallow pot of potting soil with some fine sand
- 3 Keep it in dappled light and water lightly
- 4 Move it to its final spot once it feels firm
Materials needed:
Dividing the mat
This is the simplest way to cover a bed, and the plant settles in fast.
- 1 Gently pull sections off the mat
- 2 Scatter the pieces where you want it to grow
- 3 Water lightly
Materials needed:
How Big Does Fragile crassula Grow?
TLDR: Fragile crassula can reach up to 6cm tall with Fast growth rate.
Max height
6cm
Spread
50cm
Growth rate
Fast
Foliage
Evergreen
Plant Uses
Ornamental
Great for decoration
Ground Cover
Soil coverage
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
What Diseases Commonly Affect Fragile crassula?
TLDR: Fragile crassula is susceptible to 3 known diseases. Monitor regularly for early detection.
Root Rot
Root rot is a serious fungal disease that affects the root system of plants, causing them to decay and die. It is primarily caused by overwatering, poor drainage, or soil-borne fungi such as Pythium, Phytophthora, Rhizoctonia, and Fusarium. The disease thrives in waterlogged conditions where roots are deprived of oxygen, making them susceptible to fungal infection.
Overwatering
Overwatering occurs when plants receive too much water, depriving roots of oxygen and causing root rot. This environmental stress is one of the most common causes of houseplant death, as waterlogged soil prevents roots from breathing and functioning properly.
Mealybugs
Mealybugs are small, soft-bodied insects covered with a white, waxy, cottony material. They are common pests of houseplants and outdoor plants in mild climates. These sap-sucking insects feed on plant tissue, causing damage, stunted growth, and can lead to plant death if left untreated. They produce sticky honeydew which attracts sooty mold.
Fun Facts
The name expansa comes from Latin and refers to the way the plant spreads.
Its colour works as a signal: when it goes pink, it is also time to water the bigger succulents around it.
Its seeds are as fine as dust and wait in the soil until rain comes.
Frequently asked questions
Why did my Crassula expansa turn pink or red?
How often should I water it?
Can it handle cold?
How do I propagate it?
Is it toxic to cats or dogs?
Compare with similar plants
| Attribute | Difficulty | Light | Watering | Pet Safe |
|---|---|---|---|---|
| Field Maple | Easy | Bright indirect | 14d | ✓ |
| Iberian Houseleek | Easy | Direct sun | 14d | ✓ |
| Silver Birch | Easy | Direct sun | 14d | ✓ |
| Common Blanketflower | Easy | Direct sun | 10d | ✓ |
