Rhododendron 'Jacksonii'

Large hybrid rhododendron

  • Flowering Time : March, April
  • Height in 10 years : 3 metres / 9 feet 10 inches


Fine old hybrid, first introduced in 1835, forms a very compact flat topped shrub. Olive Green leaves. Pink Flowers, cream inside, deep pink line down each petal, March-April. Very hardy and well worth growing, particularly in cold gardens.

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.