This Is Where Thrips Damage Michigan Gladiolus And Dahlias First Before Blooms Look Scarred
Thrips are tiny, sneaky pests that often go unnoticed until the damage is already visible on your flowers. In Michigan gardens, these insects tend to target the tightly closed buds of gladiolus and dahlias first, feeding before petals even open. This early feeding causes streaks, silvery patches, or scarring that only becomes obvious once blooms…

