How to plant a tree in clay soil?

  1. Choose the right tree – Opt for species that tolerate heavy soil, like willows, oaks, or hawthorns.
  2. Dig a wide, shallow hole – Make the hole twice as wide as the root ball but no deeper than the root system. This prevents water from pooling at the roots.
  3. Improve drainage – Mix organic matter like compost, sand, or perlite with the native soil to loosen it. Avoid using only loose soil, as it may cause water to accumulate.
  4. Position the tree correctly – Place the tree in the hole so that the root flare (where the trunk widens at the base) is slightly above ground level.
  5. Backfill with care – Use the improved soil mix, pressing gently to remove air pockets but without compacting too much.
  6. Water deeply – Give the tree a slow, deep watering right after planting.
  7. Mulch the surface – Add a layer of mulch around (but not touching) the trunk to retain moisture and prevent soil compaction.
  8. Monitor and maintain – In the first year, check for drainage issues and adjust watering accordingly.

Tip: Avoid adding gravel to the bottom of the hole—it can worsen drainage instead of improving it!

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