Tree Planting Best Practices During Landscape Installation

February 24, 2025

Trees are often the most significant long-term investment in a landscape installation project, providing shade, structure, and value that grows over decades. But proper tree planting technique matters enormously in determining whether a new tree thrives or struggles. This guide covers the tree planting best practices that should be part of any quality landscape installation.

Why Proper Tree Planting Technique Matters

Unlike smaller plants or sod, trees represent a long-term investment that takes years to reach its full potential. Planting errors that might seem minor at installation — improper depth, poor root preparation, incorrect staking — can create problems that affect the tree's health for years or even lead to premature failure.

Choosing the Right Tree for the Location

Before planting technique even comes into play, selecting an appropriate tree species for the specific location is essential. Consider mature size (both height and canopy spread), sun exposure requirements, soil drainage characteristics, and proximity to structures, utility lines, or other trees when choosing tree placement during landscape installation.

Proper Planting Depth

One of the most critical tree planting best practices is ensuring the tree isn't planted too deep. The root flare (where the trunk widens at the base) should sit at or slightly above the surrounding soil grade. Planting too deep can lead to trunk rot and long-term health issues, while planting too shallow can leave roots exposed and vulnerable.

Preparing the Planting Hole

Width Over Depth
The planting hole should typically be wider than the root ball, allowing roots to spread more easily into loosened surrounding soil, while the depth should match the root ball's height to avoid planting too deep.

Rough, Not Smooth, Hole Walls
Creating rough rather than smooth walls in the planting hole helps roots penetrate the surrounding native soil more easily, rather than potentially circling within a smooth-walled hole.

Root Preparation

Addressing Circling Roots
Container-grown trees sometimes develop circling roots within the pot. Gently loosening or cutting these roots before planting helps prevent long-term girdling issues that can affect the tree's health as it matures.

Removing Excess Burlap or Wrapping
For balled-and-burlapped trees, removing or at least cutting back wrapping material around the root ball helps ensure proper root establishment into surrounding soil.

Backfilling Properly

Using the native soil removed from the hole (rather than heavily amended soil) for backfilling helps roots acclimate to the actual soil conditions they'll be growing in long-term, rather than creating an artificial "container effect" within amended soil that discourages roots from spreading outward.

Watering at Planting Time

A thorough initial watering immediately after planting helps settle the soil around the root ball, eliminating air pockets and ensuring good root-to-soil contact from the start.

Staking Considerations

When Staking Is Necessary
Staking is generally recommended for larger trees or those in windy locations, providing temporary support while root systems establish.

Proper Staking Technique
Stakes should allow some natural trunk movement rather than rigidly restricting all movement, since some flexibility actually helps develop stronger trunk structure over time. Staking materials should also be removed within one to two growing seasons to avoid girdling the trunk as it grows.

Mulching Around New Trees

Applying mulch around the base of a newly planted tree helps retain soil moisture, regulate soil temperature, and suppress competing weed growth. However, mulch should be kept a few inches away from direct contact with the trunk to avoid moisture-related trunk issues.

Post-Planting Watering Schedule

New trees typically require consistent, deep watering during their first one to two years while root systems establish, gradually transitioning to a less frequent schedule as the tree becomes more established and drought-tolerant.

Common Tree Planting Mistakes to Avoid

  • Planting too deep, burying the root flare below grade
  • Leaving circling roots unaddressed at planting time
  • Using overly amended soil for backfill rather than native soil
  • Over-staking or leaving stakes in place too long
  • Piling mulch directly against the trunk ("mulch volcanoes")
  • Inconsistent watering during the critical establishment period

Tips for Successful Tree Planting During Landscape Installation

  1. Choose species appropriate for your specific site conditions and available space, considering mature size from the start.
  2. Prioritize proper planting depth above all else. This single factor has an outsized impact on long-term tree health.
  3. Address root issues before planting, rather than assuming they'll resolve on their own.
  4. Follow a consistent watering schedule during establishment, adjusting as the tree matures.
  5. Work with an experienced landscape installation team familiar with proper tree planting technique for long-term success.

Investing in Trees That Thrive for Decades

Trees represent one of the longest-lasting elements of any landscape installation, and proper planting technique is what determines whether that investment pays off for decades to come. Taking the time to plant correctly from the start protects your investment and sets the stage for a tree that will provide shade, beauty, and value for generations.

Planning to add trees to your landscape installation? Contact Breaking Ground Outdoor Services to ensure they're planted for long-term success.