Troubleshooting
Crassula Columnella problems — and how to fix them
Crassula Columnella (Crassula columnella) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Loosening columns
Stacks spreading apart and stretching mean too little light; move to a brighter spot to keep new growth tight and compact.
Root and stem rot
Soft, translucent or blackening bases come from overwatering; let the soil dry fully and use a very gritty mineral mix.
Water trapped in stacks
Moisture sitting between the packed leaves can rot the column; always water at soil level and keep airflow good.
Mealybugs
White cottony pests hide between the stacked leaves; treat with isopropyl alcohol on a cotton bud and isolate the plant.
Prevent crassula columnella problems before they start
Most crassula columnella issues are care-mismatch, not bad luck. Dial in the basics:
Looking for crassula columnella in general rather than its problems? Read the full crassula columnella care guide — light, water, soil and feeding.
Crassula Columnella problems — FAQ
Why is my crassula columnella loosening columns?
Stacks spreading apart and stretching mean too little light; move to a brighter spot to keep new growth tight and compact.
Why is my crassula columnella root and stem rot?
Soft, translucent or blackening bases come from overwatering; let the soil dry fully and use a very gritty mineral mix.
Why is my crassula columnella water trapped in stacks?
Moisture sitting between the packed leaves can rot the column; always water at soil level and keep airflow good.
Why is my crassula columnella mealybugs?
White cottony pests hide between the stacked leaves; treat with isopropyl alcohol on a cotton bud and isolate the plant.