Crataegus ambigua
Russian hawthorn
A mid-sized deciduous tree with a spreading habit, thorny branches and leathery, lobed and toothed green leaves. In late spring, loose clusters of small white flowers with purple anthers are produced, followed by red berries that mature to dark purple
Size
Ultimate height
8–12 metresTime to ultimate height
10–20 yearsUltimate spread
Wider than 8 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | White | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green Yellow | Red Purple | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–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
Grows well in most soils, in sun or partial shade. Will not tolerate waterlogging
Propagation
Propagate by seed or by grafting. Seeds require stratification and may take up to 18 months to germinate
Suggested planting locations and garden types
- Architectural
- Cottage and informal garden
- Wildlife gardens
- Coastal
- Low Maintenance
Pruning
Minimal pruning required, see pruning group 1
Pests
May be susceptible to caterpillars, aphids and hawthorn button top midge
Diseases
May be susceptible to fireblight, honey fungus, crown gall, silver leaf, powdery mildews and leaf spots
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.