Plants by mail order since 1984, over 4100 plants online today!
6th January 2021. In line with the current government lockdown rules, Burncoose Nurseries is closed to visitors. However at present we are able to offer click and collect to local customers. This will be weekdays only, not weekends.
Mail order is continuing as normal. However please allow extra time for the couriers to deliver, once despatched from us. Sorry to say that some depots are experiencing high volumes of traffic, also staff shortages.
HIBISCUS syriacus 'Blue Bird'
Commonly known as Rose of Sharon, Tree hollyhock
Very large single blue flowers with a dark centre
Further Reading....
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Deciduous - oval to diamond-shaped, 3-lobed, coarsely-toothed, dark green leaves to 10cm (4in) long
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Blue
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Height - 3m (10ft)
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Spread - 2m (6½ft)
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Tall Shrub - erect shrub. Flowers are produced from the leaf axils
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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)
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Full sun
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Additional Features - Good to know - - syn. H. 'Oiseau Bleu'. Can be kept compact by spring pruning as flowers form on current year's growth
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Pests & Diseases - aphids, powdery mildew.
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Place of origin - China to India.
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Flower Shape - Single - Row of petals round conspicuous stamens - no more than 8 petals
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Trumpet - to 8cm (3in) across
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Hardiness - Fully hardy -
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Seasonal Interest - Autumn -
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Summer
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Soil Conditions - Fertile moist well-drained soil - - humus-rich
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Neutral to alkaline soil
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Hibiscus syriacus - Growing Guide
3m (10ft)
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2m (6½ft) |
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