Gladiolus: Thrips

categories: Bulbs Gladiolus Gladiolus Insects Ornamentals

revision date: 2023-02-20 12:00

Gladiolus thrips damage.
Gladiolus thrips damage
Photo by: R.S. Byther


Gladiolus thrips are tiny insects with feather-like wings, an unusual design in the insect world. They have rasping mouthparts that cause feeding damage characterized as elongated stippling on leaves and flowers, eventually making plant materials appear washed out. Once thrips get into the flowers, they are nearly impossible to control.

Management Options

Use Integrated Pest Management (IPM) for successful plant problem management.

Non-chemical Management

Select non-chemical management options as your first choice!

  • Inspect corms carefully for thrips before purchase.
  • Wash corms vigorously over a drain, if thrips are found.
  • Discard and destroy brown and corky corms.
  • Preserve natural enemies, such as predatory mites, lacewings, and pirate bugs.

Chemical Management

IMPORTANT: Visit Home and Garden Fact Sheets for more information on using pesticides.

Carefully read and follow label instructions.

Approved Pesticides

Listed below are examples of pesticides that are legal in Washington. Always read and follow all label directions.