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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 2002
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Other common names
red oak American red oak
northern red oak
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
Q. rubra is a fast-growing large deciduous tree with an open, spreading crown and broad leaves to 22cm in length, turning red or red-brown in autumn. Flowers greenish, inconspicuous
E N America
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, Loam
Higher than 12 metres
wider than 8 metres
Time to ultimate height
Grow in deep, fertile, well-drained soil. A fast growing spreading deciduous tree. Requires lime free soil
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
Flower borders and beds Low Maintenance
Cottage & Informal Garden
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.
Buy from £74.99
at the RHS Plants Shop
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