1.800.858.7378 npic@ace.orst.edu
We're open from 8:00AM to 12:00PM Pacific Time, Mon-Fri
About us

Treated seeds have been coated with a pesticide to limit crop damage from fungus and insects. Seeds are coated in a brightly dyed dust, mist, or clay. The bright color warns that the seed is treated with pesticides. The treatment controls fungus, which can spread disease, reduce yield, and reduce crop quality. Some seed may be treated with an insecticide to control insects that may feed upon seedlings. Although common in agriculture, some treated seeds may also be used in residential gardens.

Consider these practices when using treated seed:

Additional Resources:

If you have questions about this, or any pesticide-related topic, please call NPIC at 800-858-7378 (8:00am - 12:00pm PST), or email us at npic@ace.orst.edu.

Last updated November 07, 2023