Rhododendron Hybrids / cultivars

Gallery name starting with: 12ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

cultivar group 'Yellow Hammer Group'

Hybridiser:Williams, John Charles. Caerhays, Cornwall, England, 1931 (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
200 cm. (7ft.)
Bloom time:very earlyFlower:tubular-campanulate
Bloom time duration:13
Bloom time duration 'Yellow Hammer Group'

Observation based on 1 plants,
growing in 1 'My-gardens'.

Exact= 13 days.
days.
Type:lepidoteLeaves:unknown
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)

Registered
In 'Your Garden' you can administrate
your rhododendrons.

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

Netherlands : 6
Canada : 1
France : 1
United States : 1


Seed-parentPollen-parent
R. sulfureum   Click to see more information

XR. flavidum   Click to see more information



cultivar group 'Yellow Hammer Group' photos

 
Photo bySteve Henning
LocationHolejird Gardens, Cumbria, UK
Date04 May, 2008
See high-resolution picture
 
Photo byHenk Borsje
LocationPrivate garden, Oudenbosch, Netherlands
Date30 March, 2014
See high-resolution picture
 
Photo byHank Helm
LocationHank Helm Garden, Bainbridge Island, WA, USA
Date25 March, 2007
See high-resolution picture
 
Photo byJeannie & Calvin Parsons
LocationGlendale Gardens, Victoria, BC, Canada
Date07 April, 2010
See high-resolution picture
 
Photo byCoen Zonneveld
LocationPrivate garden, Diepenveen, Netherlands
Date
See high-resolution picture
 
Photo byGareth Shearman
LocationPrivate garden, Victoria, BC, Canada
Date20 April, 2012
See high-resolution picture
 
Photo byBarbara Kulla
LocationPrivate garden, Vancouver Island, BC, Canada
Date28 April, 2011




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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009