Hazelnut (Filbert)
Winter – Use COPPER for disease control.
Summer – Use SEVIN or PERMETHRIN in early July for Filbert Worm. Repeat in late July or early August.
Fall – Use COPPER at leaf fall for disease control.
Walnut
Winter – Use COPPER for disease control.
Spring – Use COPPER immediately before and after bloom for disease control.
Summer – Use PERMETHRIN or SPINOSAD in mid-to-late July to control Walnut Husk Fly.
Fall – Use COPPER at leaf fall for disease control.
Chestnut
Winter – Use COPPER for disease control; apply between mid-December and mid-January.
Fall – Use COPPER at leaf fall for disease control.
