Rhododendron 'Souvenir de D. A. Koster'

Large hybrid rhododendron

  • Flowering Time : May, June
  • Height in 10 years : 3 metres / 9 feet 10 inches

Description

A profusion of scarlet flowers with dark spotting on a strong shrub with plenty of foliage.

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.

Hardiness

  • UK Zone : 5
  • RHS Zone : H (Fully Hardy)
  • EGF Zone : H1
  • US Zone : 6
  • Min Temp : -23°C (-10°F)

Hardy anywhere in the UK and moderate parts of Europe such as Holland, southern Sweden, coastal Denmark, favourable parts of Germany etc, moderate parts of NE USA and eastern Canada.

Alternative Rhododendrons

  • Rhododendron 'Hugh Koster'
  • Rhododendron 'Kluis Sensation'
  • Rhododendron 'Wilgen's Ruby'
  • Rhododendron 'Robert Croux'