While most species shouldn't cause any harm to your trees, there's one variety that can destroy and kill otherwise healthy trees. ... Once the grubs have transitioned into adult beetles, they won't feed on trees. Until that time, however, the grubs pose a serious threat to trees, eating away at the root structures.
Will grubs harm tree roots?
White grub worms often infest lawn grass but will also attack tree roots. White grub worms are damaging pests of lawn grass, ornamental plants and trees. These pests feed on the roots of host plants, causing extensive damage and reduced vigor.
How do you get rid of grubs naturally?
These include milky spore, neem oil, and nematodes — available at most garden centers.
- Milky spore is a disease that can effectively treat lawn grubs and is environmentally safe. ...
- Neem oil is a botanical pesticide containing insecticidal properties. ...
- Beneficial nematodes are also used as natural grub treatment.
