WSU Master Gardener Bob Cain will discuss the application, timing, dosages and limitations of dormant and summer oils to control fungi, bacteria and insect pests and eggs in home orchards at noon Thursday, Nov. 12, in the county commissioners meeting room of the Clallam County Courthouse, 223 E. Fourth St., Port Angeles.

Recent research from WSU on the use of botanically derived oils also will be covered, including recommendations on specific brands as well as specific application to pest and disease control.

This will include the use of natural insecticides and organic fungicidal oils.

Cain, a Master Gardener since 2009, has 40 years of experience growing vegetables in Scotland, Ireland, Colorado and Washington. He writes a monthly article on plant disease for the Clallam County Master Gardener Newsletter and is a frequent contributor to local newspaper gardening columns.

Cain is the 2009 Master Gardener Intern of the Year and 2011 Master Gardener of the Year.

He served as the garden manager of the Woodcock Demonstration Garden for five years and is a past president and board member of the Master Gardener Foundation of Clallam County.