Crataegus × grignonensis

Award of Garden Merit
Trees

A compact, deciduous tree to 5m high, forming a spreading crown of dark green, glossy, lobed leaves with pale undersides, on almost thornless stems. In late spring and early summer, produces masses of small white flowers that fade to pink, followed in autumn by round red fruits that are popular with birds

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

2.5-4 metres

Size

Time to Maturity
10–20 years
Max Spread
2.5-4 metres
Max Height
4-8 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or West–facing or South–facing
Exposure
Exposed or Sheltered
Hardiness
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rosaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Spreading branched
Potentially harmful
Seeds contain toxins so these should be removed if you are considering eating the fruitusually grown as an ornamental shrub Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Crataegus are deciduous trees and shrubs, usually with spiny branches, lobed or toothed leaves, and clusters of creamy-white flowers followed by red or black fruits. Some have fine autumn colour
Name Status
Correct

How to Grow

Cultivation

Grow in almost any soil in full sun or partial shade, dislikes waterlogging.

Propagation

Propagate by seed. In autumn, remove flesh as soon as ripe and sow in a seedbed or in containers in a cold frame. In spring, stratify and sow in a seed bed. Make take 18 months to germinate

Suggested planting locations and garden types

  • Architectural
  • Coastal
  • Cottage and informal garden
  • Wildlife gardens

Pruning

Pruning group 1

Pests

May be susceptible to caterpillars, aphids and gall midges

Diseases

May be susceptible to fireblight, honey fungus, tree rusts and powdery mildews