Rhododendron Hybrids / cultivars

Gallery name starting with: 12ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

Rhododendron 'Razorbill'

Hybridiser:Cox, Peter A.. Glendoick, Scotland, 1975 (see more plants of this hybridizer)
Status:IRRC registered.
Additional parentage info:(seedling) x ()
The figures listed here are averages.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
in 10 years
120 cm. (4ft.)
Bloom time:early midseasonFlower:tubular
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)

In 'Your Garden' you can administrate
your rhododendrons.

To try/see this go 'Home' (top-right).
on hirstum.info: 9
R. Razorbill per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 6
Canada : 2
Denmark : 1

R. spinuliferum   Click to see more information


Rhododendron 'Razorbill' photos

Photo byJens Birck
Locationprivate garden Kastrup, Denmark
Date19 May, 2010
See high-resolution picture
Photo byJens Birck
LocationKastrup, Denmark
Date15 May, 2006
See high-resolution picture

Send your own information or pictures

Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Brambling'   Click to see more information

'Razorbill' x R. racemosumCox, P.A. & K.N.E., 1993
Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009