hanging baskets

What are those paper envelopes in my Mother’s Day hanging baskets?

These small paper “envelopes” are slow release “sachets” that contain beneficial predatory mites that attack young thrips larvae.  (Thrips are very small insects (1-2 mm.  long) with narrow bodies and fringed wings. As they feed they can deform flowers, leaves and shoots. Thrips are primarily a greenhouse pest and not a major pest in the home […]