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CRATAEGUS ambigua
Commonly known as Russian hawthorn

Drought and cold tolerant with yellowish peeling bark and purple-red flowers
Plant Details
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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BerriesThese plants have berries.
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Good to know
The name relates to its similarity to C. monogyna which has one seed per fruit. Ambigua has, usually, two. Wildlife plant - birds and insects -
Ornamental bark
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Pests & Diseases
Caterpillars, aphids, gall midges, fireblight, honey fungus, rust, powdery mildew -
Place of origin
Southern Russia -
DeciduousLeathery, triangular leaves to 6cm (2½in) long
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White
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Fully hardy
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Lobed
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Height
6m (20ft) -
Spread
5m (16ft) -
TreeOr shrubby tree with somewhat contorted branches and peeling, yellowish bark on older trees. Produces flowers in corymbs of 12-20
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Very hardy
Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F) -
Scented flowers
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Autumn Seasonal Interest
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Spring Seasonal Interest
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Winter Seasonal Interest
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Rounded to broadly spreading
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Bee friendly
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Bird friendly
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Mature Size6m (20ft)
5m (16ft)
Planting Tips and Care Advice
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Garden Location/Conditions
Coastal / windsweptSlightly back from the sea with more shelter
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Pruning group
Pruning group 1
Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
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Soil Conditions
Tolerates allExcept waterlogged
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Sun Requirements
Full sun
Partial shade