How to Plant Bare-Root Shrubs in Cold Weather

Why bare-root planting suits cold weather

Bare-root shrubs are lifted from nursery fields when they are fully dormant, usually between late October and early March. At this time, the plant is not actively growing, so it suffers far less shock than a potted shrub moved in full leaf. The cold actually works in your favour: roots are resting, and the soil remains cool enough to discourage top growth while still allowing roots to settle. The key is to plant when the ground is workable, not frozen solid. A mild spell in midwinter is perfect. If you plant in a cold snap, the roots can be damaged by frost and the soil may be impossible to firm properly. So watch the forecast, and choose a day when the soil crumbles easily in your hand rather than sticking to the spade like clay.

Choose the right moment and prepare ahead

Before you buy, check your soil. It should be moist but not waterlogged. If the ground is frozen or squelchy, wait. You can heel in bare-root shrubs temporarily by digging a shallow trench and covering the roots with soil, or keep them in a cool, frost-free shed with roots wrapped in damp hessian or newspaper. Never let roots dry out. Prepare your planting site in advance: clear weeds, have well-rotted compost or manure, mulch, and a stake if needed. Soak the roots in a bucket of water for 30 to 60 minutes before planting. This rehydrates them after their journey.

• Check soil temperature: if a soil thermometer reads below 4°C, wait for a milder day.
• Avoid waterlogged spots: most shrubs rot in standing water during winter.
• Gather tools: spade, fork, compost, mulch, watering can, and sharp secateurs for any damaged roots.

How to plant bare-root shrubs step by step

Dig a hole that is wide enough to spread the roots without cramping them. It should be about the same depth as the roots were growing before, so look for the dark soil mark on the stem. If you plant too deep, the stem may rot; too shallow, and roots dry out. Make a small mound of soil at the bottom of the hole. Spread the roots over the mound, trimming any broken or circling roots with clean secateurs. Backfill with a mix of garden soil and well-rotted compost, firming gently with your heel as you go to remove air pockets. Finally, water thoroughly even if rain is forecast. A good soak settles the soil around the roots and helps them make contact.

• Position: the old soil mark should sit at ground level.
• Spacing: allow for the shrub's mature spread — check the label.
• Staking: only for tall or exposed sites; use a flexible tie.

Protecting new plantings from frost and wind

After planting, apply a 5–7 cm mulch of well-rotted bark, compost, or leaf mould. Keep it a few centimetres away from the stem to prevent rot. Mulch insulates the soil, keeping it consistently cool and moist, and suppresses weeds. Cold winds are more damaging than frost alone because they dry out roots and stems. On an exposed site, erect a temporary windbreak of fleece or woven plastic mesh. Check that any stakes or ties are secure but not strangling. If a hard frost is forecast and your shrub is borderline hardy, wrap the root zone with straw or bracken, but remove it in spring. Frost-hardy shrubs usually need no extra cover.

• Mulch depth: 5–7 cm after planting, topped up in spring.
• Windbreak: position on the prevailing wind side, not touching foliage.
• Watering: water during dry, frost-free spells — evergreens lose moisture all winter.

Aftercare through winter and into spring

Keep an eye on the weather. If there is no rain for two or three weeks, water your new shrubs, but only when the soil is not frozen. Do not feed until you see new growth in spring; feeding too early can encourage soft shoots that frost will kill. In late winter, check for frost heave — where the soil lifts the roots — and gently firm the shrub back in. Prune only damaged or crossing branches. New buds will break in March or April. Be patient: bare-root shrubs often sit still for weeks, then grow away strongly once the soil warms. Your reward is a robust, well-anchored plant that will outlive a pot-grown equivalent.

Frost-hardy shrubs to try in a UK garden

Many native and long-cultivated shrubs are available bare-root and shrug off British winters. Consider dogwood (Cornus sanguinea) for colourful stems, hazel (Corylus avellana) for catkins, guelder rose (Viburnum opulus) for berries, blackthorn (Prunus spinosa) for early blossom, and elder (Sambucus nigra) for wildlife. Evergreens like holly (Ilex aquifolium) and yew (Taxus baccata) also plant well bare-root, though they need careful watering in their first summer. All of these tolerate frost and will establish quickly when planted in dormancy. Choose a mild spell, keep roots moist, and water after planting — then let winter do the rest.