Recognise the most common cannabis pests early and control them effectively. Spider mites, thrips, aphids and more.
Recognising and combating cannabis pests early prevents crop losses:
**Spider mites (most common pest)**
*Recognition:*
- Small yellow/white dots on leaves
- Fine cobwebs on the undersides of leaves
- In case of heavy infestation: bronze colouring of the leaves
*Control:*
- Neem oil spray (2-3x weekly)
- Increase air humidity (>60%)
- Use predatory mites as beneficial insects
- Remove infested leaves
**Thrips**
*Recognition:*
- Silvery spots and black dots on leaves
- Small, elongated insects (1-2mm)
- Upper leaf surface becomes light/yellow
*Control:*
- Hang up blue boards
- Neem oil or soft soap solution
- Use predatory bugs
- Quarantine new plants
**Aphids**
*Recognition:*
- Green, black or white small insects
- Sticky honeydew residue
- Curled, yellow leaves
*Control:*
- Ladybirds as natural enemies
- Soapsuds spray
- Neem oil treatment
- Cut off infested shoots
**Mourning gnats**
*Recognition:*
- Small black flies around pots
- Larvae in the soil (white, 5mm)
- Feeding damage to roots
*Control:*
- Set up yellow boards
- Allow soil to dry on the surface
- Quartz sand as mulch
- SF nematodes against larvae
**Preventive measures:**
- Clean grow environment
- Optimise air circulation
- Quarantine new plants
- Regular inspection with a magnifying glass
- No overwatering
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