5 Common Mistakes to Avoid When Planting Trees

Planting a tree is one of the most rewarding things you can do in a garden—it adds structure, seasonal interest, and long-term value to your outdoor space. But to ensure your tree thrives for years to come, it’s important to avoid a few common pitfalls that many gardeners make.

Here are five tree-planting mistakes to watch out for—and how to get it right from the start.

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1. Planting Too Deep (or Too Shallow)

It’s easy to think that the deeper you plant, the more secure the tree will be—but this often leads to poor root growth and rot.

Tip: The top of the rootball should sit level with the surrounding soil. You should still be able to see the tree's root flare (where the trunk widens at the base) above ground.

In stock:
- Tree spades and planting spades
- Rootgrow mycorrhizal fungi to support healthy root development

1. Planting Too Deep (or Too Shallow)

2. Using the Wrong Soil or No Compost

Trees need the right soil conditions to establish properly. Simply dropping a tree into a dry hole without improving the soil is a common error.

Tip: Mix the excavated soil with organic compost or well-rotted manure to give young roots the nutrients and structure they need. Avoid using 100% compost as it may dry out too fast.

In stock:
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Multi-purpose composts
- Tree and shrub planting compost
- Soil improvers and conditioners

2. Using the Wrong Soil or No Compost

3. Skipping the Stake and Tie

Young trees, especially bare-root or taller varieties, need support in their early years. Without proper staking, they can rock in the wind and struggle to establish.

Tip: Use a low stake and soft tree tie to secure the tree without damaging the bark. Stakes should be firm, and ties should allow a little movement to encourage strong root growth.

In stock:
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Tree stakes and bamboo canes
- Soft adjustable tree ties

3. Skipping the Stake and Tie

4. Forgetting to Water (Especially in the First Year)

Even hardy trees need regular watering during their first year, especially in dry spells. One good watering per week is often better than frequent light sprinkles.

Tip: Water slowly and deeply at the base of the tree, ideally early in the morning or late in the evening.

In stock:
- Hoses and watering cans
- Mulch to help retain soil moisture

4. Forgetting to Water (Especially in the First Year)

5. No Mulch = Missed Opportunity

Mulch is more than just decoration—it helps retain moisture, suppress weeds, and regulate soil temperature. Planting without it can lead to quicker drying and more weeding.

Tip: Apply a thick layer of mulch (about 5–8cm) around the base of the tree, keeping it a few inches away from the trunk to avoid rot.

In stock:
- Decorative bark mulch
- Organic mulching compost

5. No Mulch = Missed Opportunity