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Apple Valley
7100 147th St. W.
Apple Valley, MN 55124
Ph: (952) 953-2500
When should I prune my oak tree?
The best time of year to prune oak trees is from late fall until the end of March, when oak wilt disease is dormant and there is no risk of infection. If your oak tree is pruned at any other time of the year, some type of sealant should be applied to all pruning wounds to prevent oak wilt infection. Pruning paint is effective along with any latex paint. This same time period is also appropriate for trimming other species of trees, when insects and disease are dormant.

Natural Resources

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1. When should I prune my oak tree?
2. How do I report a spill?
3. How often should I water my tree?
4. Who maintains the trees within the public road rights of way?
5. How do I find my property boundaries?
6. Why is the water in my pond green?
7. How do I know if my fertilizer is phosphorus-free?
8. What if my project doesn’t require a permit? Am I still responsible for installing erosion and sediment controls?
9. Do I need a permit to landscape my yard?
10. How much of the tree roots can be disturbed before the tree will decline?