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The Wisconsin Gardener

Dormant Oil Sprays

Learn about ways to protect trees from insect damage during the dormant season.

03/01/1996 | Rating TV-G

The Wisconsin Gardener

Dormant Oil Sprays

Clip: Season 4 Episode 1 | 4m 2s

Learn about ways to protect trees from insect damage during the dormant season.

Apply dormant oil to trees in the early spring to control insects living on the trees during the winter. Entomologist Dan Mahr explains the differences between dormant and summer oil insecticides.

03/01/1996 | Rating TV-G

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The Wisconsin Gardener is a local public television program presented by PBS Wisconsin

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