Seasonal care · 12 minute guide
How to establish a newly planted tree
The first-year essentials: root flare, staking, watering, formative checks and when to call an arborist.
The first twelve months determine whether a tree develops stable roots and a healthy trunk. Most establishment problems come from planting too deep, poor watering or stakes left on too long.
Before you begin
What you’ll need
- Hose or drip line
- Mulch
- Soft tree ties
- Secateurs
- Trowel
Expose the root flare
Find where the first structural roots leave the trunk. This point should be visible at finished soil level, not buried in potting mix or mulch.
Check stability
The root ball should be firm while the trunk can move slightly. Stake only where needed and use broad flexible ties below the lowest point that keeps the tree upright.
Water the root ball
During establishment, water both the original root ball and adjacent soil. A dripper placed only outside the potting mix may leave the centre dry.
Maintain a clear mulch ring
Mulch broadly over the root zone, leaving the trunk and flare clear. Keep turf away to reduce competition and mower damage.
Inspect monthly
Check ties, trunk wounds, pests, soil moisture and new growth. Loosen ties before they constrict and remove stakes once roots provide stability.
Prune conservatively
Remove only broken or dead branches in the first season. Structural pruning should be planned over several years, ideally with arboricultural advice.
Important
Common mistakes to avoid
- Do not add soil over the root flare.
- Large, leaning or damaged trees should be assessed by a qualified arborist.
This guide provides general horticultural information for Sydney conditions. Site drainage, soil, weather and individual species requirements vary. For tree safety, chemical use or persistent plant decline, use an appropriately qualified professional.
Available from our nursery
Continue from advice to supply.
Stock changes regularly. Open a plant to see current sizes and add it to a project schedule.Read next / Water & soil