Published May 27, 2026
Fall is the best time to assess trees in Upstate SC before the winter storm season. Deciduous trees have lost enough leaves to expose crown structure for inspection, the ground is firm enough for equipment access, and pruning dormant trees minimizes disease transmission and accelerates wound closure. Two things that happen most in fall: fungal fruiting bodies appear at tree bases (indicating root rot), and structural defects that were hidden by summer foliage become visible.
What to Inspect in Fall
Crown structure: With leaves thinning, look for large dead branches, crossing limbs, and co-dominant stems. These are harder to see in full summer canopy. Root flare: Check the base of the trunk for fungal conks (shelf fungi), bark separation, and any signs of decay at the root crown. Fungal fruiting bodies appear most visibly in October–November in Upstate SC. Lean: Does the tree have a lean that was not there last year? A new lean indicates root failure or internal failure — call for an assessment before winter. Hanging limbs: Identify any broken or partially attached limbs before winter ice adds weight and causes them to fall.
Fall Pruning — What Is Appropriate
Deciduous trees: Fall through early winter (after leaf drop, before hard freeze) is appropriate for most structural pruning and crown cleaning. Cuts made in dormancy have lower disease transmission risk than summer pruning. Exception: oak trees should not be pruned during the spring sap flow (April–June) due to oak wilt risk, but fall pruning is fine. Crape myrtles: Prune in late winter (February–March) before new growth, not in fall. Fall pruning of crape myrtles stimulates growth that freezes. Bradford pears: Fall is fine for structural work — but honestly, most Bradford pears are better off removed than pruned.
Pre-Winter Storm Preparation
Upstate SC's most damaging winter events are ice storms — January and February are peak risk. Ice accumulation of 1 inch adds 500 pounds per 100 square feet of canopy — far beyond what compromised branches or co-dominant stems can hold. Before winter: remove dead branches that will accumulate ice and fail, cable co-dominant stems that have not been addressed, and identify loblolly pines near structures that show crown stress. The 2022 Upstate SC ice storm split thousands of trees that showed warning signs in fall that were not acted on.
What our arborist sees on site
October and November are when we see the most structural defects that were hidden all summer. If you have a tree you have been watching, fall is the time to get an assessment — before ice makes the decision for you.
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