Rhododendron Hybrids / cultivars

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Rhododendron 'Robert Allison'

Hybridiser:Gable, J.B.. Stewartstown, Pennsylvania, USA, 1938 (see more plants of this hybridizer)
Status:IRRC registered.
Synonyms:'Gable's Pink No. 2'
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:late midseasonFlower:saucer-shaped
Type:elepidoteLeaves:narrowly oblong
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
'Caroline'   Click to see more information

XR. fortunei ssp discolor   Click to see more information

R. decorum ssp decorum   Click to see more information

xR. brachycarpum ssp brachycarpum   Click to see more information



Rhododendron 'Robert Allison' photos

 
Photo byJim Willhite
Locationprivate garden West Chester, PA, USA
Date09 June, 2005
See high-resolution picture
 
Photo byJim Willhite
Locationprivate garden West Chester, PA, USA
Date31 May, 2006
See high-resolution picture




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Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Lady Rae'R. souliei x 'Robert Allison'Gable, J.B., 1968
'Vinebelle'   Click to see more information


  Vinebelle
'Robert Allison' x R. degronianum ssp yakushimanumForster, R.R., 1962
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009