Rhododendron 'High Summer'

Large hybrid rhododendron

  • Flowering Time : June
  • Height in 10 years : 1 metres 80 cms / 5 feet 10 inches


Beautiful creamy yellow flowers which always attract attention. Excellent late season plant. Raised by Ted Millais.

Flower Months

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Rhododendrons will start flowering around this time, depending on the season, for a week or so.


  • UK Zone : 4
  • RHS Zone : H (Fully Hardy)
  • EGF Zone : H2
  • US Zone : 7A
  • Min Temp : -18°C (0°F)

Hardy in all but the coldest parts of Pacific Northwest and UK, France and northern Italy, around Bergen (Norway) and mildest parts of NE USA such as Cape Cod and parts of Long Island.