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CRATAEGUS ambigua
Commonly known as Russian hawthorn
Drought and cold tolerant with yellowish peeling bark and purple-red flowers
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DeciduousLeathery, triangular leaves to 6cm (2½in) long
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White
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Height6m (20ft)
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Spread5m (16ft)
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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 hardyHardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F)
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Full sun
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Partial shade
CRATAEGUS ambigua
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Additional FeaturesBerriesThese plants have berries.Good to knowThe name relates to its similarity to C. monogyna which has one seed per fruit. Ambigua has, usually, two. Wildlife plant - birds and insectsOrnamental barkPests & DiseasesCaterpillars, aphids, gall midges, fireblight, honey fungus, rust, powdery mildewPlace of originSouthern Russia
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Garden Location/ConditionsCoastal / windsweptSlightly back from the sea with more shelter
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HardinessFully hardy
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Leaf marginLobed
(see photos above) -
Pruning groupPruning group 1Suitable 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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Scented PlantsScented flowers
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Seasonal InterestAutumnSpringWinter
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Soil ConditionsTolerates allExcept waterlogged
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Tree ShapeRounded to broadly spreading
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WildlifeBee friendlyBird friendly
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6m (20ft)
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5m (16ft) |
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Useful extras...
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
3 options from £3.00
Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50
Vermin & Pest Control
Tree Guards
Essential small tree protection from vermin and strimming. This pack includes 5 x 90cm canes and 5 x 90cm spiral guards. Includes instructions.
Only £5.00
Garden Goodies
Slate Plant Labels
These wonderfully tactile natural slate plant labels are hand made in Cornwall and come with a chalk pen.
Just stick them in your pot or border. Pack of 6.
Only £10.00
Garden Goodies
Slate Tie-on Plant Labels
Hand made in Cornwall, these delightful natural slate labels are perfect for pots.
Comes with chalk pen. Pack of 5
Only £10.00