Crataegus × grignonensis
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
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Size
Ultimate height
4–8 metresTime to ultimate height
10–20 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | White Pink | Green | ||
|---|---|---|---|---|
| Summer | White Pink | Green | ||
| Autumn | Green | Red | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or West–facing or South–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical 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 fruit, usually 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
Pests
May be susceptible to caterpillars, aphids and gall midges
Diseases
May be susceptible to fireblight, honey fungus, tree rusts and powdery mildews
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.