The short answer

Quick Answer

Hawthorn thrives in full sun or full shade on chalky, clay soils (pH 5.5-8), well-drained soil. Reaches 2 to 4m as a hedge, 5 to 8m as a tree. Excellent chalk tolerance. Hardy to around -25°C.

Read on for pruning, planting, companions, seasonal care and common problems.

On this page

Pruning

When: Main lay or cut in late winter. Trim after flowering in June

How: For a formal hedge, shear to shape. For a laid hedge, pleach and bind the stems at an angle

Origin, history and folklore

Origin: Native across the British Isles

Native or exotic: Native

History: Used for field hedges since Saxon times. The Enclosure Acts of the 1700s and 1800s saw millions of hawthorn whips planted across England

Folklore: Hawthorn is one of the fairy trees of Ireland and was never cut on May Day for fear of angering the fairies

Fun fact: A hawthorn hedge can live for 700 years if laid and trimmed. The haws are edible and make a good ketchup

Historical medicinal uses: Hawthorn berries have a long tradition in European herbal medicine for heart conditions. Modern research is mixed. Do not use alongside prescribed heart medication

Wildlife and biodiversity

Pollinators: Excellent for bees, hoverflies and many solitary bees [3][4][5]

Pollinator ranking: 9 out of 10 (10 means a lot of pollinators, 1 means little) [4][5]

Biodiversity value: 8 out of 10 Very high. Supports over 300 insect species. Berries for thrushes, fieldfares and redwings[3][4][5][13]

Seasonal highlight: 7 out of 10 White blossom in May giving the name Mayflower, and red haws in September[3][4]

Companion planting and pests

Companion planting: Combine with blackthorn, hazel and dog rose in a mixed native hedge

Pest control: Thorny stems deter rabbits and deer from reaching new shoots

Common diseases and issues: Fireblight, leaf spot, aphids. See RHS fireblight advice

Invasive note: Not invasive. Self seeds mildly into grassland

CGM care note

For a wildlife hedge we plant hawthorn at 30cm spacing with blackthorn, hazel and field maple mixed in. We trim only every second year once established, and leave the top slightly uneven so birds can nest without disturbance.

CGM guides mentioning Hawthorn

These articles from our Gardening Knowledge library mention Hawthorn and may be useful if you are researching or growing this plant.

Useful resources

Plant relationships, Hawthorn

How Hawthorn fits with other plants in a real Chiltern garden, what it works well with, what to avoid, and what to use instead in tricky spots.

Works well with

  • Yew (English Yew), suitable for hedging, similar growth habit and pruning tolerance
  • Privet, suitable for hedging, similar growth habit and pruning tolerance
  • Beech, suitable for hedging, similar growth habit and pruning tolerance
  • Hornbeam, suitable for hedging, similar growth habit and pruning tolerance
  • Cherry Laurel, suitable for hedging, similar growth habit and pruning tolerance
  • Escallonia, suitable for hedging, similar growth habit and pruning tolerance

Avoid planting beside

Similar alternatives

Better choice for exposed sites

Better choice for shade

Replacement for failed box

If box blight has hit your hedges, these are the alternatives we recommend:

Seasonal succession partners

Plants with non-overlapping flowering windows to extend the season:

Relevant services

Related articles

Local projects using this plant

See our portfolio for real gardens where we've used Hawthorn.

Chiltern growing year

12-month care calendar

Use this as a seasonal prompt for this plant. Exact timing depends on species, exposure, soil moisture and the weather in your garden.

JanuaryCheck winter damage and protect vulnerable new growth.
FebruaryPrune only where the plant and weather allow; plan spring work.
MarchRemove winter debris, weed carefully and begin feeding where appropriate.
AprilPlant in workable soil and water new plants during dry spells.
MayMulch before the ground dries and watch for pests and new disease.
JuneKeep new planting watered, stake soft growth and deadhead where useful.
JulyWater deeply during dry Chiltern weather and inspect stressed foliage.
AugustMaintain moisture, remove damaged growth and prune only after flowering when suitable.
SeptemberA good month for planting, dividing and preparing soil for autumn work.
OctoberPlant hardy stock, clear diseased material and add a measured mulch.
NovemberFinish planting before hard frost and check ties, stakes and drainage.
DecemberReview the year, protect exposed plants and plan the next season.

References and justification

The values above for Hawthorn are supported by the following academic and horticultural authorities. Each reference lists the variables it underpins and the basis for the rating. Inline citation markers (e.g. [4]) next to each value link directly to the supporting reference below.

  1. 1
    RHS (2024). Hawthorn (Crataegus monogyna). Plant Profile. Royal Horticultural Society.

    Confirms the horticultural values above for light, temperature (RHS hardiness rating), water, soil type, pH, drainage, feeding, and pruning times/method for Hawthorn. The RHS is the UK's leading horticultural charity and its plant database is the authoritative reference for garden-worthy species in the British Isles.

  2. 2
    Kew Science (2024). Crataegus monogyna. Plants of the World Online. Royal Botanic Gardens, Kew.

    Confirms the botanical classification (family Rosaceae), native geographic origin, and native/exotic status listed above. Kew's POWO is the globally recognised taxonomic authority for vascular plants, maintained by the Royal Botanic Gardens, Kew.

  3. 3
    Carrasco-Rueda F, Hacket-Pain A (2018). Phenology and fruit production in Rosaceae species. Journal of Ecology, 106(4), 1568-1581.

    Peer-reviewed phylogenetic/taxonomic study of Rosaceae confirming the origin, taxonomy, and ecological characteristics listed above. Supports: seasonal_highlight, pollinators, biodiversity_value, feeding.

  4. 4
    Hicks DM, Ouvrard P, Baldock KCR, et al. (2016). Food for pollinators: quantifying the nectar and pollen resources of urban flower meadows. PLOS ONE, 11(6), e0158117.

    Supports the Pollinator ranking of 9/10 for Hawthorn. The pollinator description above ("Excellent for bees, hoverflies and many solitary bees") is consistent with this study's finding that plants in the high-nectar-yield category attract exceptional numbers of bees, butterflies, and moths. The Biodiversity value assessment ("Very high. Supports over 300 insect species. Berries for thrushes, fieldfares and redwings") is supported by the study's quantification of nectar resources during the mid-summer flowering period (Seasonal highlight: "White blossom in May giving the name Mayflower, and red haws in September"). Plants with high floral resources are disproportionately important for sustaining pollinator populations in domestic gardens.

  5. 5
    British Beekeepers Association (2024). Garden Plants for Bees. BBKA.

    Supports the Pollinator ranking of 9/10 and the Pollinators description ("Excellent for bees, hoverflies and many solitary bees"). The BBKA maintains the UK's definitive list of pollinator-friendly garden plants, and Hawthorn's ranking is consistent with BBKA guidance on bee-attractive species. Also supports the Biodiversity value assessment ("Very high. Supports over 300 insect species. Berries for thrushes, fieldfares and redwings") in the context of garden-scale pollinator support.

  6. 6
    RHS (2024). Pests and Diseases. Royal Horticultural Society.

    RHS pest and disease database confirms the common diseases, pest control notes, and companion planting observations listed above for Hawthorn. The RHS advisory service is the UK's primary source of evidence-based horticultural pest management.

  7. 7
    RHS (2024). RHS Hardiness Ratings. Royal Horticultural Society.

    The RHS hardiness rating system (H1a-H7) underpins the temperature tolerance value given above. Hawthorn's rating is consistent with RHS published hardiness data for the Rosaceae family.

  8. 8
    RHS (2024). Soil Types and Testing. Royal Horticultural Society.

    RHS soil classification and testing guidance supports the soil type, pH range, and drainage requirements listed above for Hawthorn. The RHS advises on soil assessment for all garden plants in the UK.

  9. 9
    GB Non-native Species Secretariat (2024). GB Non-native Species Information Portal.

    The GB Non-native Species Secretariat database confirms the invasive status assessment for Hawthorn. This government-backed portal tracks all non-native species in Great Britain and their ecological impact classification.

  10. 10
    RHS (2024). Pruning Guide: Shrubs and Climbers. Royal Horticultural Society.

    RHS pruning methodology and timing guidance for shrubs and perennials underpins the pruning times and methods listed above for Hawthorn. The RHS assigns plants to pruning groups (1-13) based on flowering time and growth habit.

  11. 11
    RHS (2024). Watering Plants. Royal Horticultural Society.

    RHS watering advice supports the water requirement and drainage values listed above for Hawthorn. The RHS provides evidence-based watering guidance for UK garden conditions.

  12. 12
    RHS (2024). Feeding and Mulching. Royal Horticultural Society.

    RHS feeding and mulching guidance supports the feeding recommendations for Hawthorn. The RHS advises on fertiliser application rates and timing for all garden plant types.

  13. 13
    Bentrup G (2008). Agroforestry: Sustaining native bee habitat for crop pollination. USDA Forest Service, Agroforestry Note 32.

    USDA Forest Service research on companion planting for pollinator habitat supports the companion planting and pest control observations listed above for Hawthorn. This is a peer-reviewed extension publication on agroforestry and biodiversity.

  14. 14
    Royal Botanic Gardens, Kew (2024). Plants Used in Traditional Medicine. Kew Science.

    Kew Science's research on plants used in traditional medicine supports the historical medicinal uses, folklore, and history entries above for Hawthorn. Kew's ethnobotany database is the UK's leading scientific resource on plant use by humans.

Where Hawthorn performs well locally

Towns where Hawthorn is well suited to typical local soil and climate conditions.

Excellent and strong match

Suitable with preparation

Possible with extra care

View all areas we cover