Aphids on Cannabis? (Sap-Sucking Colonies)
Aphids cluster on new growth and undersides, sucking sap and excreting sticky honeydew. Can transmit viruses.
Aphids on cannabis? Sticky leaves and clusters—see causes and analyze fast.
Common Causes
- Brought in on clones or outdoor plants
- Ants farming them for honeydew
- Lack of beneficial insects
How to Tell Which One You Have
Clusters of small green/black insects on stems and undersides. Sticky residue, curled leaves, sooty mold.
FAQ
Kill fast?
Spray with insecticidal soap, neem, or introduce ladybugs/lacewings.
Spread disease?
Yes, aphids can transmit viruses. Remove heavily infested leaves.
Ants involved?
Ants protect aphids for honeydew. Control ants to reduce aphids.