Native · Up to 15 m

Hawthorn

Crataegus monogyna · Rosaceae

Also called quickthorn, whitethorn or may

Hawthorn is a dense, thorny shrub or small tree with little, deeply lobed leaves. It is white with blossom from early May and red with haws in autumn.

Often mistaken for blackthorn. How to tell them apart →
Know it byLeavesSmall leaves, cut at least halfway in.BlossomWhite flower heads in May.BerriesRed berries in loose bunches, into winter.

Then check · ThornsIn winter, sharp thorns run along the bare shoots, each with a small brown bud beside its base.

How to identify a hawthorn

Hawthorn: leaves
Leaves

Hawthorn leaves are small and cut at least halfway in to the centre line, into three to seven lobes, each one toothed at its tip.

Hawthorn: blossom
Blossom

In May, once the leaves are out, the tree carries heads of small, white, five-petalled flowers.

Hawthorn: berries
Berries

From September the small oval berries, called haws, ripen red and hang in loose bunches along the smaller branches. Some stay on into winter.

Learn the hawthorn in TreelyEvery part through the year, and a short round each day until you know it.Get Treely

Every part, in photographs

Hawthorn leaves: small, cut at least halfway to the centre line
LeavesSmall, cut at least halfway to the centre line
Hawthorn blossom: flat-topped clusters of white flowers in May
BlossomFlat-topped clusters of white flowers in May
Hawthorn haws: red haws, one pip in eachHenry Miller, CC BY 4.0
HawsRed haws, one pip in each
Hawthorn bark: brown, with shallow scaly ridges in a spiralNick Butcher, CC BY 4.0
BarkBrown, with shallow scaly ridges in a spiral
Hawthorn thorns and buds: thorns and buds from the same pointShawn O'Donnell, CC BY 4.0
Thorns and budsThorns and buds from the same point
Hawthorn shape: dense twiggy mass of stiff thorny branchesAndrew Skotnicki, CC BY 4.0
ShapeDense twiggy mass of stiff thorny branches

When to look

JFMAMJJASOND
In leaf
Flowers
Haws

In leaf: February to November · Flowers: April to June · Haws: July to January

Every tree on the calendar · How to identify trees in winter

Where you’ll find it

Hedgerows and scrub above all, and also woodland edges, open woodland, chalk downland and coastal scrub. It is quick to spring up on open and disturbed ground, and common everywhere except on poor sands. It takes most soils, chalk and heavy clay included.

In the app

There’s more of the hawthorn in Treely

  • Every part, through the yearLeaves, bark, buds, flowers and fruit, photographed in every season
  • Its lookalikes, side by sideThe checks that settle it, part by part
  • A short round each dayUntil you know the hawthorn on sight, from any side
  • Name it from a photoA leaf, the bark or a flower, and Treely tells you which tree
App StoreGoogle Play

Free to download.

Every fact on this page is checked against the Collins Tree Guide, last in November 2026. Spotted something that looks wrong in front of a real tree? Tell us. How we check.

Photographs: Andrew Skotnicki (CC BY 4.0), steve_mcwilliam (CC0), peter_reynolds (CC0), Leon Cross (CC BY 4.0), cjoynson (CC0), Henry Miller (CC BY 4.0), Nick Butcher (CC BY 4.0), Shawn O'Donnell (CC BY 4.0), empressmoth (CC0), Daniel Cahen (CC BY 4.0), David Sandler (CC BY 4.0), anguspritchard (CC BY 4.0), Jon Mortin (CC BY 4.0). With thanks to everyone who shares their photographs on iNaturalist and Wikimedia Commons.