Rhododendron keysii

Large species rhododendron

  • Flowering Time : May, June, July
  • Height in 10 years : 4 metres / 13 feet 1 inches

Description

Upright habit, narrow pale blue green leaves.Unusual very narrow tubular flowers of an attractive orange red shade. Needs shelter from cold winds.

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 : 3/4
  • RHS Zone : H (Fully Hardy)
  • EGF Zone : H2/3
  • US Zone : 7B/7A
  • Min Temp : -15 to -18°C (5°F to 0°F)

Somewhere between Hardy in a sheltered site in most UK, Coastal France and northern Italy and Pacific Northwest gardens, but may be damaged in severest winters. Often early into flower and growth. AND 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.