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Sun Valley

A fine example of the Canadian Maple or Red Maple, with spectacular fiery red autumn colours.

The dull red flowers appear before the leaves in March.

The leaves are dark green, with a silvery-blue sheen on the undersurface. The stems of emerging leaves are often tinged red.

Acer rubrum

Sun Valley maple trees for sale

  • 12-year pot-grown tree £34.95
    In a 7L pot
    Large size (3m-5m after 10 years)
    Out of stock
  • 22-year pot-grown tree £44.95
    In a 12L pot
    Large size (3m-5m after 10 years)

How to grow

Sun Valley is a fast-growing tree, suitable for most situations, including areas of low rainfall. However for the best autumn colour it should be planted in full sun in a moisture-retentive soil. 


'Sun Valley' is related to Acer rubrum 'Somerset' and is a cross of Acer rubrum 'Red Sunset' and Acer rubrum 'Autumn Flame' and was introduced by the US National Arboretum. All these cultivated varieties are more reliable in producing autumn colours in UK conditions than the original Acer rubrum.

Acer rubrum is clearly related to Acer saccharinum (the silver maple), but is not quite as fast-growing.

Sun Valley characteristics

  • Growing

    • Gardening skill:Beginner
    • Attractive features:Attractive tree / plantAttractive foliageAutumn foliage colour
    • Growth habit:Upright
    • Height after 10 years:3m-5m / 10ft-16ft
    • Flowering month:April
    • Leaf colour - autumn:Orange / Red
    • Leaf colour - summer:Green
    • Sunlight:Prefers full sun
    • Pruning:Do not prune
    • Growth rate:Fast
    • Site conditions:Occasional drought
  • Identification

    • Annual cycle:Deciduous

Similar varieties

  • See also October Glory
    Acer rubrum
    October Glory
    A well-named form of the North American Red Maple - the leaves turn a spectacular red in the autumn.