Rhododendron 'Altaclarense'

  • Product Code: 9691
  • Availability: Looking for source material

From Highclere Castle in 1826. One of the first man-made hybrids. Grows to become a very large tree. Deep red flowers. Raised by J. Gowen, Head gardener to the Earl of Carnarvon at Highclere Castle, Newbury, Berkshire, UK

Flower Colour : Deep red

Flowering Time : May

Scented :   No

Ultimate Height :  7.00 metres / 22 feet 11 inches

Parentage : (catawbiense x ponticum) x arboreum

Hardiness : 
-18°C (0°F) Hardy in all but the coldest parts of UK.

Group : Compact & Medium Hybrids up to 2m

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