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Between November and late March, a tree that has been lifted from the nursery field is effectively asleep. Its leaves have dropped, its roots have stopped growing, and it can sit out of the ground for days without coming to harm — provided you keep those roots damp and out of the wind. That dormant window is when bare-root trees are sold, and it is by far the cheapest and most successful way to plant anything from a hedgerow whip to a substantial orchard tree.
Because there is no compost-filled pot to contend with, the roots you receive are the roots the tree actually grew. They are wider and better balanced than the coiled spirals you often find in a container, and they establish into surrounding soil rather than staying cosseted in a pocket of potting compost. Bare-root planting is also lighter on the back and the wallet. A bundle of fifty native whips, a spade and a free afternoon is a genuine woodland in the making.
The one rule is timing. Aim to plant while the tree is fully dormant and the ground is neither frozen solid nor standing in water. In most of the UK that means November through to early March, with the sweet spot somewhere around late November to mid-February, when the soil is still warm enough for roots to settle in before spring.
Buy from a nursery that lifts to order rather than one that has had stock sitting in a shed since December. A good bare-root tree has a straight, undamaged stem, a clear root flare where trunk meets root, and a fibrous, well-branched root system without obvious kinks or drying.
If the tree arrives before you are ready to plant, heel it in: dig a shallow trench in a spare patch of ground, lay the roots along it, cover them with soil and firm gently. Roots left exposed to drying wind for even an hour will suffer. If you cannot plant for more than a few days, stand the tree in a bucket of water for a couple of hours before planting, but never leave roots soaking overnight.
Most planting failures are soil problems in disguise. Clear a metre-wide circle of grass and weeds first — competition from established grass is brutal on a young tree. Then fork over the base of the hole to break up any pan, especially on heavy clay, where a smoothed, glazed hole can turn into a sump that fills with winter rain.
Dig a hole roughly three times the spread of the roots and no deeper than the roots need. The single most common mistake is planting too deep. You should be able to see the root flare sitting at, or a fraction above, the surrounding soil level once the tree is in. On clay, work in a little well-rotted compost or leafmould across the whole planting area rather than tipping a rich pocket into the hole, which encourages roots to circle within it. No fertiliser at planting, please — it burns tender new roots.
Firm does not mean compacted. You are removing air pockets so the roots make contact with soil, not building a patio. Watering after planting settles the soil around the roots and is worth more than anything else you do that day.
A bare-root tree has no anchoring weight of compost around its roots, so on any exposed or windy site, staking is essential for the first two or three years. Drive a stake of around 1.2m for a smaller tree, or 1.8m for a standard, into the undisturbed soil before backfilling, positioned on the prevailing wind side. Tie with a soft, adjustable tree tie that allows a finger's width of movement — rigid trees develop weak trunks.
Guards matter as much as stakes in most of Britain. A spiral guard protects against rabbits and voles, and a mesh tube or taller guard is needed where deer are browsing. For whips in a hedgerow or woodland planting, a cane and a spiral guard is usually enough.
The first growing season decides everything. Water deeply and less often — a good soak of 10–15 litres a week in dry spells is far better than a daily splash, which only wets the surface. Mulch with 7–8cm of well-rotted bark or compost in a metre-wide ring, keeping it clear of the trunk to avoid rot and mouse damage.
Resist the urge to cut back a newly planted tree hard. Remove only damaged or crossing branches in the first year; structural pruning can wait until the tree is established and you can see its shape. Keep the ground around it clear of weeds, watch for aphids and tent caterpillars, and by the second spring you should see strong new growth — the sign that a bare-root tree has truly arrived.
The Noble Arbor shares practical, down-to-earth guidance on british tree care, arboriculture and woodland gardening for readers across the UK.
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