Rhododendron Hybrids / cultivars

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Rhododendron 'John Winberg'

Hybridiser:Watson, E.M. Mrs. (Elsie). Kirkland, WA, USA, 1999 (see more plants of this hybridizer)
Status:IRRC registered.
Height
Height
The figures listed here are averages.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
in 10 years
150 cm. (5ft.)
Bloom time:earlyFlower:openly funnel-shaped
Type:elepidoteLeaves:elliptic
Hardiness:
H0 = 0 C (32 F)
H1 = -7 C (20 F)
H2 = -12 C (10 F)
H3 = -15 C (5 F)
H4 = -18 C (0 F)
H5 = -24 C (-10 F)


Seed-parentPollen-parent
'Mrs Donald G. Graham x Purple Splendour'   Click to see more information X'Blue Hawaii'   Click to see more information

'Mrs Donald G. Graham x Purple Splendour'   Click to see more informationx'Purple Splendour'   Click to see more information

'Blue Ensign'   Click to see more information

x'Purple Splendour'   Click to see more information

'Mrs Donald G. Graham x Purple Splendour'   Click to see more informationx'Purple Splendour'   Click to see more information

R. ponticum   Click to see more information

x?R. ponticum   Click to see more information

x?R. ponticum   Click to see more information

x?


Rhododendron 'John Winberg' photos

 
Photo byJack Morgan
Locationgarden of Mrs. Watson, Kirkland, USA
Date11 April, 2006
See high-resolution picture




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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009