The Park People
Friday, December 6, 2024

Tree Planting Guide

A tree is most vulnerable during its first few years after transplant. Support your young tree's health and survival with proper planting and care.

[Print Instructions]

 

Handle with Care

Roots are delicate...

1. Always lift trees in Containers or with Balled & Burlapped (B&B) rootballs by the container or ball, never by the trunk. (Fig. 1)

2. Always set your tree down gently. Dropping a tree's rootball onto the ground can result in severe damage to the fine roots.

Plant the Tree

1.  Dig a hole... (Fig. 2)

- at least twice as wide as the tree's roots to encourage the root system to spread out.
- about the same depth as the tree's rootball -- slightly shallower.

Getting the Depth Right 
Planting a tree at the right depth is critical for its health and survival. Many trees are planted too deep, preventing their roots from receiving adequate oxygen.
To plant your tree at the right depth... 
Find the trunk flare - the area of the trunk that flares out to meet the topmost roots 
Make sure that the trunk flare sits above ground when the hole is filled with soil 
- For B&B and Container trees, you may need to gently remove soil on the top of the rootball to expose the trunk flare.

- As you dig, remove grass for use elsewhere after knocking off soil.

2.   Remove twine from the tree's branches.

3.  Gently place your tree in the center of the hole. If your tree leans to one side, tip the tree to the opposite side and add a little soil under the rootball to adjust its resting place.

If the tree is in a Container, (Fig. 3) the root system needs to be "shaved" to grow properly. With the tree still in the container, match your curved shovel blade to the curve of the container about a half inch in from the edge. Swiftly thrust straight down, cutting off the outer half inch of the root system. This will prevent circling roots from girdling, or strangling, the tree. Remove the container at the side of the hole and carefully slide the tree and rootball into position. Check the depth and make adjustments to correct any leaning.

If the tree is Balled & Burlapped, gently place the tree in the hole. Check your depth and correct any leaning. Remove twine on the rootball and at the base of the trunk. Unwrap, fold down, and cut away excess burlap. It is fine to leave some burlap underneath the tree; attempting to remove it may result in unnecessary damage to the roots.

Note: If the rootball has a wire basket, once in the hole, use wire cutters to remove as much of the wire as possible without disturbing the rootball (ideally at least the top 2/3rds of the wire basket).

If the tree has bare roots, hold the tree 2 inches above the target depth while filling the hole with soil until the tree is stable. The soil and tree will settle and sink.

4.  Backfill, water and mulch with a method...

- Fill the hole half way with soil.
- Add water to settle the soil, filling the hole to the top.
- Fill the hole with the rest of the soil after the water has settled.
- Build a watering well circling the base of the tree to capture and hold water (Fig. 2). Tamp and press soil gently with hands (not feet!).
- Water thoroughly, filling the basin you've created.
- After the water has soaked in, cover the soil with 3 inches of mulch to maintain moisture and prevent erosion and weed growth (Fig. 2). Keep mulch 4 inches away from trunk.
- Fill the basin with water again and...

Congratulations, you're done!

Learn about proper Tree Care.

Illustrations by Mary Ann Bonnell.

 

 

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