From a plant's perspective, soft or mushy leaves are a distress signal. Crassula, like other succulents, stores water in its leaves to survive dry conditions. When leaves become soft or mushy, it often indicates overwatering or poor drainage, which disrupts the plant's ability to regulate moisture. The cells in the leaves absorb too much water, swell, and eventually burst, leading to a mushy texture. Alternatively, it could signal root rot, where damaged roots can no longer absorb nutrients or oxygen properly.
Crassula plants thrive in dry conditions and prefer their soil to dry out completely between waterings. Overwatering saturates the soil, depriving the roots of oxygen and causing them to decay. As a result, the leaves lose their firmness and turn mushy. Signs of overwatering include yellowing leaves, a soggy base, and a foul smell from the soil. To fix this, reduce watering frequency and ensure the pot has drainage holes to let excess water escape.
If overwatering persists, root rot sets in. Fungi like Pythium or Phytophthora attack the weakened roots, spreading decay upward. The plant can no longer transport water and nutrients efficiently, causing leaves to soften and collapse. To check for root rot, gently remove the plant from its pot. Healthy roots are white and firm, while rotten roots are brown, black, and slimy. If root rot is present, trim the affected roots and repot the plant in fresh, well-draining soil.
Even with proper watering, poor drainage can cause water to pool around the roots. Crassula requires a gritty, fast-draining soil mix (e.g., cactus/succulent soil with perlite or pumice). Heavy, moisture-retentive soils suffocate roots and promote mushiness. Ensure the pot has drainage holes, and avoid using saucers that trap water. If the soil stays wet for more than a few days, repotting is necessary.
Crassula plants are sensitive to cold temperatures. Exposure to frost or prolonged chilly conditions can damage cell walls, making leaves soft and translucent. Prevent cold damage by keeping the plant above 50°F (10°C) and away from drafty windows in winter. If damage occurs, move the plant to a warmer spot and trim affected leaves to prevent further decay.
To save your plant, follow these steps: 1. Stop watering immediately and let the soil dry completely. 2. Remove mushy leaves with sterile scissors to prevent rot from spreading. 3. Check the roots and trim any rotten sections. 4. Repot in fresh, well-draining soil and a clean pot. 5. Adjust watering habits—only water when the top inch of soil is dry. With proper care, your Crassula can recover and grow new, healthy leaves.
To avoid recurrence: - Use a terracotta pot (porous material helps evaporate excess moisture). - Water deeply but infrequently, ensuring the soil dries out between sessions. - Provide bright, indirect light to help the plant use water efficiently. - Monitor humidity levels, as high humidity slows soil drying. By understanding your Crassula’s needs, you can keep its leaves firm and healthy.