10 Best Small Native Trees for UK Gardens

Small native trees give you spring blossom, autumn berries and far more wildlife than imported trees. British insects and birds grew up alongside them, so they know them as food. A native tree is one that arrived in Britain naturally after the last ice age, before people started bringing plants in. Here are 10 that can all be kept under 5 metres.

Each one earns its space. Below you’ll find what each tree offers, how to keep it small, when to plant, and the mistakes to avoid.

Why native trees are better for wildlife

Native trees feed far more wildlife, because British insects are used to eating them. A flowering cherry from Japan looks lovely in April. But very few UK caterpillars will eat its leaves. A native hawthorn feeds a huge range of insects, and those insects feed nesting birds.

UK native willows are even better. Blue tits need a lot of caterpillars to raise their chicks, so a native tree can decide whether birds nest in your garden at all.

Berries matter in winter too. Rowan, hawthorn, holly and spindle all carry fruit that redwings, fieldfares, blackbirds and thrushes rely on from October to February. The Woodland Trust has lots more on native trees for wildlife. Going native is the biggest single thing you can do for the life in your garden.

The 10 best small native trees ranked

These 10 trees can all be kept under 5 metres in a garden, and they’re listed with the best for wildlife and small plots first. Crab apple and rowan lead because they give blossom for bees, berries for birds and a tidy shape.

You can keep each of these under 5 metres using the tips below. For more options, including a few non-natives, see our guide to the best trees for small gardens in the UK.

Rowan and crab apple, the two best all-rounders

Rowan (Sorbus aucuparia) is the best all-round choice for most gardens. It has white blossom in spring and heavy clusters of berries in autumn that thrushes and blackbirds quickly strip. It casts light shade, copes with most soils and windy spots, and its upright shape fits a narrow plot.

Crab apple (Malus sylvestris) is the one to pick for blossom and bees. Its spring flowers are a brilliant early food for bees. Choose one on an M26 or MM106 rootstock to keep it to 3 to 4 metres. The little autumn fruits feed blackbirds and thrushes, and make lovely jelly. Crab apple also pollinates nearby eating apples, so it’s useful in a fruit garden too.

Crab apple blossom in late April, a favourite with early bees.

Hawthorn and spindle for hedgerow wildlife

Hawthorn (Crataegus monogyna) is a wildlife powerhouse. It has white May blossom for pollinators, dark red haws for birds, and thick thorny cover for nests. It grows in any soil and takes clipping well, so you can keep it at 4 to 5 metres.

Spindle (Euonymus europaeus) brings autumn drama and food for birds. It stays at 3 to 4 metres and is happy on chalk and clay. In October the leaves turn pink and red, and odd four-lobed pink seed cases split open to show orange seeds. Robins and other birds love them. It belongs in any garden built around UK native plants.

Warning: Spindle berries are poisonous to people, even though birds eat them safely. The bright pink cases can tempt children, so plant spindle away from where little ones play. Holly berries and bird cherry stones are poisonous too, and raw elderberries upset the stomach.

Hawthorn (left) has small dark red haws and lobed leaves. Crab apple (right) has bigger fruit and rounded leaves.

Hazel, elder and goat willow for quick results

Goat willow (Salix caprea) feeds more insects than any other tree here. It gets big if left alone, so grow it as a multi-stemmed shrub and cut it back hard every few years to keep it at 3 to 4 metres. Its spring catkins, the familiar pussy willow, are a vital early food for queen bumblebees waking up after winter. For a tree that stays small without effort, the weeping ‘Kilmarnock’ stays at 1.5 to 2 metres on its stem.

Hazel (Corylus avellana) gives you nuts, early catkins and lovely structure. Grown as a multi-stem it stays at 3 to 5 metres and copes well with shade. Its February catkins appear weeks before most trees flower. Squirrels and woodpeckers take the nuts, and you get pea sticks and bean poles every winter.

Elder (Sambucus nigra) is the quickest to get going. It reaches 3 to 4 metres in a few years and takes hard pruning. Its summer flowers make cordial, its berries make wine once cooked, and both feed insects and birds. Elder, hazel and willow all suit a plot planned to create a wildlife garden in the UK, because they settle in and feed wildlife so fast.

How to keep a native tree small in a garden

You can keep most native trees well under 5 metres in two ways: choose the right rootstock, and prune. Get it right and a tree that grows 10 metres in a hedgerow will sit happily in a garden corner.

For crab apple, the rootstock sets the final size. M26 gives a 2.5 to 3 metre tree and MM106 about 3 to 4 metres. Ask the nursery which rootstock it’s on, because a crab apple on a vigorous one will quickly outgrow a small garden. Rowan, hawthorn and spindle don’t come on dwarfing rootstocks, so keep them small by pruning.

Coppicing turns naturally big trees into small ones. Cut hazel, willow, field maple and elder back hard to a low framework every three to five years in winter. They grow back as bushy multi-stems instead of tall trees. Multi-stem trees also stay shorter and look great in a modern garden, because the growth is spread over several thinner stems.

A multi-stem hazel in a courtyard. Spreading the growth over several stems keeps the height down.

How and when to plant a native tree

Plant bare-root trees between November and March, while they’re dormant. It’s the cheapest and most reliable way. Young bare-root trees cost a fraction of a pot-grown tree from specialist UK nurseries. They settle in faster too, as their roots grow straight out into your soil.

Dig a square hole, about twice as wide as the roots but no deeper. A square hole stops roots circling round the sides. Spread the roots over a little mound in the bottom. Set the tree so the old soil mark on the stem is level with the ground. Firm the soil back in bit by bit, then water well, even in winter.

Use a short stake, angled into the wind and tied a third of the way up the stem. A low tie lets the top sway, which builds a stronger trunk. Take the stake away after two years. Mulch a 1 metre circle round the tree with bark or compost to keep grass away, as grass steals water from young roots.

Planting a bare-root tree in January. Spread the roots over a little mound and don’t plant deeper than the old soil mark.

How far from the house should you plant?

Keep small native trees at least 2 to 3 metres from the house. The trees here stay small with fine roots, so they rarely trouble foundations on stable ground. The risk is higher on shrinkable clay, where a thirsty tree can dry the clay and make it shrink and crack. On clay, plant at least the tree’s final height away from the wall.

Keep thirsty trees away from drains, walls and patios. Willow and elder have the most searching roots, so give them plenty of room from pipes. Field maple, holly and spindle are the safest near boundaries, as they’re slower and less thirsty.

Check the spread as well as the height. A rowan 3 metres across is fine on a narrow boundary. A crab apple 4 metres wide will hang over next door before long. Measure the spot before you buy. If autumn colour matters to you, our guide to the best trees for autumn colour in the UK covers spread as well as leaf colour.

A rowan set well back from the bay window. Its narrow crown and fine roots make it one of the safest small native trees near a house.

Single specimen or a small group?

One tree makes a lovely focal point, while a small group does more for wildlife. A single rowan or crab apple in a lawn gives height and a clear centrepiece. It’s the right call for a tidy front garden or a small courtyard.

If space is really tight, plant one tree with native shrubs and a ring of wildflowers beneath it. You get layers of habitat in a tiny area. The tree gives height, the shrubs give nesting cover, and the flowers feed pollinators.

Common mistakes when choosing a small native tree

A few easy mistakes can turn a good tree into a long-term headache.

Planting a forest tree. Oak, beech, ash and lime are native, but they grow to 20 metres or more. Older oaks in the south east can also suffer from oak processionary moth, another reason to leave them to the countryside. Even silver birch reaches 15 metres. Stick to the trees here, and check the final size on the label, not the size in the pot.

Forgetting the spread. People plan for height and forget width. A wide tree scrapes the gutters and darkens the windows long before it’s tall. Measure the gap to walls and fences, and halve the final spread to see how close the trunk can go.

Buying a crab apple on the wrong rootstock. It can end up twice the size you expected. Always check, and choose M26 or MM106 for a small garden.

Treating berries as harmless. Spindle and holly berries and bird cherry stones are poisonous to people. Plant them away from where children play, even though birds eat them happily.

Spindle’s pink autumn seed cases feed birds but are poisonous to people. Keep it away from where children play.

Native tree planting calendar for the UK

Good timing helps a tree get off to a flying start. Here’s what to do each month.

Gardener’s tip: Order bare-root trees in September for November delivery. The best native trees and rootstocks sell out by midwinter, and bare-root trees are only sent out in the dormant season. Pot-grown trees can go in any time, but cost more and settle in more slowly.

A small native tree is one of the most useful things you can plant. It feeds insects, shelters birds, gives berries through winter and stays a sensible size with a little care. Start with one rowan or crab apple this winter and enjoy the visitors it brings.

Frequently asked questions

What is the best small native tree for a UK garden?

Rowan is the best all-round choice for most UK gardens. It stays a modest size and casts light shade. It has white spring blossom and heavy autumn berries that thrushes and blackbirds love. Rowan copes with most soils and windy spots. Its narrow, upright shape suits a small plot or front garden.

Which native tree supports the most wildlife?

Native willows, including goat willow, are hard to beat. Their early catkins are also a vital spring food for bees. Hawthorn comes close, with blossom for pollinators, berries for birds and thick cover for nests. In a small space, choose a coppiced goat willow or a hawthorn.

How close to a house can I plant a small native tree?

Plant them at least 2-3 metres from the house. Compact trees such as rowan, hawthorn and crab apple rarely cause problems on stable soil. On shrinkable clay, allow more room, as roots can dry the clay and make it move. Keep thirsty trees like willow well away from walls and drains.

When should I plant native trees in the UK?

Plant bare-root native trees between November and March, while they are dormant. It’s the cheapest and most reliable time. Roots settle over winter and the tree grows away strongly in spring. Pot-grown trees can go in any time with careful watering. Avoid frozen, waterlogged or summer-baked soil.

Are any small native tree berries poisonous?

Yes, several are poisonous to people. Spindle, holly and yew are all toxic, and raw elderberries can make you sick. Never crush or eat cherry stones. Birds eat many of these berries safely, but teach children not to pick them. Only eat rowan berries cooked, never raw.