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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
© RHS 1999
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Other common names
scarlet oak 'Splendens'
Quercus can be deciduous or evergreen trees or shrubs, with entire, lobed or toothed leaves; flowers inconspicuous, followed by characteristic acorns; sometimes good autumn colour
'Splendens' is a large deciduous tree forming a tall, rounded crown of deeply-lobed glossy dark green leaves to 18cm long, turn bright scarlet and crimson in autumn. Yellow-green catkins in clusters
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or West-facing or East-facing
Exposure Exposed or Sheltered
MoistureWell-drained, Moist but well-drained
SoilSand, Clay, Chalk, Loam
Higher than 12 metres
wider than 8 metres
Time to ultimate height
more than 50 years
Grow in deep, fertile, well-drained soil. A fast growing spreading deciduous tree
Propagate by seed, sowing as soon as ripe, in a coldframe or grafting in mid-autumn or early winter
Suggested planting locations and garden types
Pruning Pruning group 1
Pests May be attacked by aphids and gall wasps
May be subject to oak wilt and powdery mildews
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
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Join the RHS today and get 12 months for the price of 9