Advice
Barberry and Ticks
Barberry and Ticks Japanese Barberry (Berberis thunbergii) is an invasive plant native to Asia. Common Barberry (Berberis vulgaris) is native to Europe and Asia. Barberry can invade forests, meadows, wetlands, and dunes. These were introduced in this country as ornamental plants and now have invaded our natural areas. The barberry’s dense […]
Autumn Olive
This shrub was introduced from Asia and has become a nuisance in Michigan. It is sometimes mistakenly called Russian olive. Russian olive is a related species of tree. Both can be a problem, but autumn olive is more prevalent in Michigan. It colonizes roadsides and fields and soon forms impenetrable […]
Is it Oak Wilt?
Why we care Oak wilt kills healthy red oaks. White oaks can also be affected but are more resistant and less vulnerable to mortality from the disease. Once a red oak becomes infected with the oak wilt fungus, the tree will die, and there is no treatment to save […]
Tree Planting Tips
Select appropriate species for the site. Different species of trees will require different amounts of moisture, sunlight, soil nutrients and space. Selecting a tree that matches your chosen location means less maintenance in the future. For safety locate underground utilities before digging. If the species you have selected grows tall […]
Knapweed
Knapweed Spotted knapweed (Centaurea stoebe) is an invasive plant native to Southeastern Europe. Diffuse knapweed (Centaurea diffusa) is also invasive in Michigan. Knapweeds are perennials, living two or more years, and beginning flowering in the second year. Knapweeds invade dry prairies, meadows, and dunes, as well as agricultural fields and […]
Proper Pruning Cuts
Each cut has the potential to change the growth of the tree. You must always have a purpose in mind when making a cut. Proper technique is critical as improperly placed cuts can cause long lasting damage. Trees do not heal in the same way as people, rather a wounded tree walls off the […]