Michigan

Elaeagnus umbellata species (Autumn Olive)

Prohibited:

The Autumn Olive is restricted plant and can't be shipped to Michigan.

Vaccinium species (Blueberries)

Regulation:

Due to Blueberry scorch virus and Sheep pen hill disease, a Phyto must be included with shipment.

Juglans species (Walnuts, Butternut)

Prohibited:

Due to Thousand Canker Disease, Walnut Twig Bettle, Geosmithia fungus Walnuts are strictly prohibited to Michigan.

Ribes species (Currants, Gooseberries)

Regulation:

Ribes nigrum (Black Currant) strickly prohibited to Michigan.  Rust-resistant varieties may be obtained by a special permit from the Michigan department of Ag.

A complete list of approved spp. can be found here, along with contact information for special permit: White Pine Blister Rust Resistant Currant & Gooseberry Varieties from MDARD