Does anyone know if Burpee brand seeds are pretreated with insecticides or chemicals?

I am specifically interested in putting in Morning Glory vines.

Does anyone know if Burpee brand seeds are pretreated with insecticides or chemicals?
Where I come from, morning glorys are considered a weed.

I'd call:

Burpee Customer Service

1-800-333-5808
Reply:my answer would be no..because their are so many pests..different ways to kill them and everybody does their garden differently.
Reply:good question- thanks for asking.