Controlling Thrips in Large Rose Gardens: Rotation and Plant Health

Managing a Thrips Outbreak in Roses

When thrips overwhelm a large rose planting, rotate insecticides with different modes of action (e.g., spinosad/Conserve and imidacloprid/Merit) to prevent resistance. Improve plant vigor with organic biostimulants like Atomic Grow to enhance natural defenses.

Key Strategies

• Alternate products every 2–3 weeks.
• Apply early morning or evening to protect pollinators.
• Remove heavily infested blooms.

Avoid highly toxic broad-spectrum insecticides like malathion unless absolutely necessary.