Timing matters more than the fertilizer itself — feed a Richmond tree too early in fall and you risk pushing growth that frost will damage; too late and frozen ground locks nutrients out entirely.
When Should You Fertilize Trees in Fall in Richmond, KY?
Late fall, after leaves drop but before the ground freezes, lets roots absorb nutrients all winter without pushing new growth that frost could damage.
Tree roots stay active well below the soil temperatures where top growth stops, so a fall feeding — timed after leaves drop but before the ground freezes — gives roots the whole winter to absorb nutrients without the risk of pushing tender new growth that an early frost could damage. The International Society of Arboriculture publishes general guidance on fertilization timing that lines up with this window for the region.
What Fall Deep-Root Fertilization Typically Costs
Deep-root fertilization in the Richmond area typically runs $100–$300 per treatment, as a typical range — the spread depends on tree size and how many trees are treated in the same visit. See our deep-root fertilization page for what’s included in a standard treatment.
Common Questions
Can you fertilize trees too late in the fall?
Yes — once the ground actually freezes, roots can’t take up nutrients anymore. Treatment needs to happen while the soil is still workable, generally before a hard freeze sets in for the winter.
Do newly planted trees need fall fertilization?
Usually not. New transplants are focused on root establishment, and added fertilizer salt can stress an already-stressed root system — most arborists wait a full growing season before the first feeding.
What’s the difference between fall and spring tree fertilization?
Fall feeding supports root development through winter without pushing new top growth, which is why many arborists prefer it for older or stressed trees. Spring feeding pushes visible growth right away instead.
Related: Deep-Root Fertilization | Certified Arborist | Tree Planting
Not sure if your trees are due? Get a free estimate or call or text (859) 310-1209.
Source: International Society of Arboriculture.
Last updated: September 8, 2026