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COTINUS coggygria 'Old Fashioned'
Commonly known as Smoke bush, Venetian sumach, Wig tree
Upright habit with blue-green leaves tinted purple-pink when young. Plumes of yellow-green flowers in late spring, early summer
Further Reading....
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Deciduous - oval leaves to 7cm (2¾in) long turning brilliant pinkish red in autumn
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Yellow -
Height - 5m (16ft) -
Spread - 5m (16ft)
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Tall Shrub
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Hardy - cold winter - Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F) -
Full sun -
Partial shade -
Additional Features - Good to know - - can be pruned in late winter to produce colourful new shoots -
Pests & Diseases - Verticillium wilt -
Place of origin - southern Europe to central China. Garden origin. Netherlands. H. Kolster Nurseries. Chance seedling -
Flower Shape - Panicles - - inconspicuous flowers in filamentous panicles to 15cm (6in) long
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Hardiness - Fully hardy -
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Leaf margin - Entire - see photos above -
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.
RHS group 1 -
Pruning group 4 - Suitable for: Deciduous trees and shrubs that flower on current year's growth or are grown for winter stem effect.
Pruning: Hard prune to a low permanent framework.
When: Annually in early Spring.
RHS group 5, 6 & 7 - for larger leaves -
Seasonal Interest - Autumn -
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Spring
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Summer
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Soil Conditions - Fertile moist well-drained soil -
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Tree Shape - Rounded to broadly spreading -
Jan
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Apr
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Cotinus - Growing Guide
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5m (16ft)
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5m (16ft) |
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)
2 options from £6.00
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
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