Tree Spacing & Hedge Calculator
Calculate Tree Quantities, Hedge Layouts & Plant Costs
Are you looking to install a privacy hedge screen, boundary tree line, or staggered windbreak? Spacing trees correctly is vital for plant health and visual density. Planting too close suffocates roots and causes low branches to die; planting too far leaves empty, drafty gaps. Use this calculator to estimate required plant counts and costs.
What Is Hedge Spacing and Why Does It Matter?
A living green fence or hedge screen is a beautiful alternative to wooden fences. Plants like arborvitae, privet, boxwood, and cherry laurel are commonly used to create privacy shields. Calculating the correct spacing ensures that as the shrubs grow, they mesh together to block wind and views without competing for soil nutrients.
There are two primary planting layouts:
- Single Row: Plants are placed in a straight line. This is ideal for narrow spaces, walkways, and formal hedges. Shrubs are typically spaced 3 to 5 feet apart depending on species.
- Double Staggered Row: Shrubs are planted in two parallel rows offset by half the spacing distance (creating a zig-zag pattern). This layout fills out much faster, blocks more wind, and creates a wider, denser screen.
Recommended Hedge Plant Spacing Guidelines
| Hedge Plant Species | Ideal Spacing (Single Row) | Staggered Row Spacing | Purpose / Application |
|---|---|---|---|
| Emerald Green Arborvitae | 3 feet apart | 3 feet apart, rows 2.5 ft apart | Tight vertical privacy screens |
| Green Giant Arborvitae | 5 - 6 feet apart | 6 feet apart, rows 4 ft apart | Oversized boundary borders, windbreaks |
| Boxwood (formal) | 1.5 - 2 feet apart | - | Low pathways, formal structural lines |
| Leyland Cypress | 6 - 8 feet apart | 8 feet apart, rows 5 ft apart | Large rural borders, tall wind barriers |
How to Use This Tree Spacing Calculator
Input the length of the fence line or property boundary in feet. Specify the center-to-center planting distance (spacing) in feet. Choose your planting pattern (single row vs. double staggered row) and input the price of a single potted tree or shrub from your nursery. Click Calculate.
Frequently Asked Questions
What is double staggered planting?
In a double staggered row, you dig two parallel trenches (usually 2 to 3 feet apart) and offset the plants in a zig-zag configuration. This is the best method to create an immediate visual barrier using smaller, cheaper shrubs.
Can I plant arborvitae too close to a property line?
Yes. Trees should generally be planted at least **half of their mature width** away from property lines, fences, and sidewalks to prevent foliage from crossing boundaries or roots cracking pavements.
How do you calculate tree counts along a line?
For a single straight row: $\text{Plant Count} = \lfloor\text{Length} / \text{Spacing}\rfloor + 1$. We add 1 to ensure there is a plant at the absolute start and end of the boundary run.
- International Society of Arboriculture (ISA) - Best practices for planting trees and spacing guidelines.
- USDA Natural Resources Conservation Service - Windbreak and shelterbelt design standards.