Tree Spacing Calculator
Plot dimensions and tree type to grid count, rows, and trees per row.
Default spacing: 22 ft
This tool is for informational and educational purposes only. It is not a substitute for professional financial, medical, legal, or engineering advice. See Terms of Service.
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Request a ToolHow to Use the Tree Spacing Calculator
Proper tree spacing is critical for long-term health, yield, and maintenance access. Trees planted too close compete for light and nutrients, are harder to prune and harvest, and have higher disease pressure. Here is how to use this calculator:
- Enter your plot dimensions. Measure the length and width of the area you are planting in feet. The calculator uses a standard grid layout with trees evenly spaced in rows and columns.
- Select your tree type. Each category maps to its recommended spacing. Standard fruit trees include full-size apples, pears, and cherries. Semi-dwarf trees are grafted rootstock that stay manageable without ladders. Dwarf trees are best for small spaces and container growing. Shade trees need the most room. Evergreens for privacy screens are planted much closer together.
- Use custom spacing. If your variety has a specific spacing recommendation on the nursery tag or seed catalog, select "Custom Spacing" and enter that number directly.
- Read your results. The calculator shows total trees, number of rows, and trees per row using a standard grid. The actual layout on your site may vary if you choose offset or hexagonal planting patterns.
About the Tree Spacing Calculator
This calculator uses a rectangular grid layout: (length / spacing + 1) rows times (width / spacing + 1) trees per row. This gives the maximum number of trees in a standard grid. Actual planting layouts may use offset rows (each row staggered by half the spacing) which allows slightly more trees per acre and can improve air circulation and sunlight penetration. Consult an orchard specialist for large commercial plantings.
Spacing recommendations are based on the mature canopy spread of each tree type, not just the trunk size. A standard apple tree may have a 20-25 foot canopy spread at full maturity, which is why the spacing matches. Planting tighter than recommended does not immediately cause problems but creates compounding issues over 5-10 years as trees fill in. All calculations run in your browser with no data stored or transmitted.
Frequently Asked Questions
How far apart should I plant fruit trees?
Standard full-size fruit trees should be planted 20-25 feet apart in each direction. Semi-dwarf trees on M.7 or M.106 rootstock need 12-15 feet. Dwarf trees on M.9 or M.26 rootstock need 8-10 feet. These distances reflect the mature canopy spread of each type. Planting closer creates competition for light and makes pruning, spraying, and harvesting difficult as trees mature. Always check the rootstock specification for grafted trees, as this determines mature size more than the variety does.
How close should I plant privacy trees?
Evergreen privacy trees like arborvitae, Leyland cypress, and Green Giant should be planted 6-10 feet apart for a solid screen. Spacing at 6 feet creates a dense hedge faster but requires more trees and more pruning long-term. Spacing at 8-10 feet gives trees room to develop naturally and eventually creates a full screen once they fill in, usually within 3-5 years. Columnar varieties like Sky Pencil holly can be planted 3-4 feet apart for a very narrow formal hedge.
How many fruit trees can I fit on an acre?
One acre is 43,560 square feet. Using this calculator with a 209x209 foot plot: standard fruit trees at 22 ft spacing fit about 100 trees per acre. Semi-dwarf at 13 ft spacing fits about 275 trees. Dwarf trees at 9 ft spacing fit about 550 trees. High-density commercial orchards using ultra-dwarf rootstock on trellises can achieve 1,000-3,000 trees per acre, but these require specialized training systems and significant infrastructure investment.
What happens if I plant trees too close together?
Trees planted too close initially appear fine but develop problems within 5-10 years as canopies overlap. Overlapping canopies reduce sunlight penetration to lower branches, which die back and reduce fruit production. Poor air circulation between dense canopies increases humidity and disease pressure, requiring more fungicide applications. Access for pruning, spraying, and harvesting becomes difficult or impossible without heavy annual pruning that stresses the trees. Correcting over-planting typically requires removing every other tree, which is costly and emotionally difficult after years of growing.