Transplanting a Large Apple Tree: Timing, Technique, and Tree Spades

A coastal Washington gardener wanted to move an established "dwarf" apple tree that had outgrown its space. The tree was too large for manual transplanting.

Optimal Transplant Windows

• Spring: As soon as the ground thaws until new leaves partially unfurl.
• Fall: Once leaves begin to color until the ground freezes.

Root Ball Requirements

For deciduous trees, the soil ball should be:

• Width: 9–12 inches per inch of trunk diameter
• Depth: 6 inches per inch of trunk diameter

Example: A 2-inch trunk needs an 18–24 inch wide, 12-inch deep root ball.

Critical Steps

1. Prepare the new hole first—twice the root ball width, same depth.
2. Protect exposed roots with moist burlap or polyethylene during the move.
3. Backfill with quality topsoil or potting mix.
4. Mulch 3 inches deep (not against the trunk).

Professional Recommendation

For a tree this size, hire a tree spade service (e.g., Vermeer tree spade). Wait until fall for the move. Cost may be significant but ensures survival.