fungus gnats on Aloe Vera
Quick answer
If your Aloe Vera has fungus gnats, the most likely cause is: Aloe Vera fungus gnats (Bradysia species) thrive in moist, organic-rich soil where they feed on fungi and organic matter. While adults are nuisance flies, larvae can damage Aloe roots and seedlings by feeding on fine root hairs. Overwatering and moisture-retentive soils create ideal breeding conditions. Fungus gnats indicate soil is staying too wet for too long — a sign of overwatering or poor drainage.
Start here:
- 1. Allow soil to dry completely between waterings to break the breeding cycle (larvae need moist soil)
- 2. Use yellow sticky traps at soil level to catch adult gnats
Why Aloe Vera gets fungus gnats
Aloe vera
Aloe Vera fungus gnats (Bradysia species) thrive in moist, organic-rich soil where they feed on fungi and organic matter. While adults are nuisance flies, larvae can damage Aloe roots and seedlings by feeding on fine root hairs. Overwatering and moisture-retentive soils create ideal breeding conditions. Fungus gnats indicate soil is staying too wet for too long — a sign of overwatering or poor drainage.
How to reverse fungus gnats on Aloe Vera
- 1
Allow soil to dry completely between waterings to break the breeding cycle (larvae need moist soil)
- 2
Use yellow sticky traps at soil level to catch adult gnats
- 3
Apply Mosquito Bits (Bacillus thuringiensis israelensis) drench to soil per package directions
- 4
Add 1/4 inch of diatomaceous earth on soil surface as physical barrier
- 5
Repot in grittier, faster-drying succulent mix if soil retains moisture
- 6
Avoid bottom-watering until infestation is controlled
Keep fungus gnats off this Aloe Vera
Water Aloe only when top 2-3 inches of soil are bone-dry; use well-draining succulent soil with perlite/pumice; avoid organic mulches that retain moisture; ensure good air circulation; don't let saucers hold standing water.