Pest profile
Thrips
Greenhouse, cannabis, and ornamental crops — they damage leaves and flowers.
Direct answer
How do I control thrips?
If you're seeing thrips, the most-used biological controls are Green Lacewings and Cannabis Grow Pest Kit. Release at dusk, mist plants beforehand, and stage releases over 5–7 days for best results.
- Most-used biological controls: Green Lacewings, Cannabis Grow Pest Kit, Beneficial Nematodes
- Release timing: dusk, 55–80°F
- Stage releases over 5–7 days
- Mist plants lightly before release
- Safe for plants, pets, and people
Signs of infestation
- Silvery streaks on leaves
- Black flecks (frass)
- Distorted new growth
How to respond
- Scout regularly — early detection is the most effective intervention.
- Match a beneficial insect to the pest and life stage.
- Release at the right time of day and temperature window.
- Stage releases over 5–7 days for moderate-to-heavy pressure.
- Continue scouting and re-release as needed.
Frequently asked questions
What beneficial insects work best against thrips? +
The most-used biological controls for thrips are Green Lacewings, Cannabis Grow Pest Kit, Beneficial Nematodes. Match the species to your environment and the life stage you're seeing.
What are the signs of thrips? +
- Silvery streaks on leaves
- Black flecks (frass)
- Distorted new growth
How do I get rid of thrips naturally? +
Scout regularly, match a beneficial insect to the pest, release at dusk in the 55–80°F range, and stage releases over 5–7 days for moderate-to-heavy pressure.
Are beneficial insects safe for pets and edible gardens? +
Yes — the species we sell are non-toxic, leave no residue, and are widely used in certified-organic operations.
Need help sizing your release?
Use our calculator to estimate how many ladybugs your space needs.