Rhododendron Hybrids / cultivars

Gallery name starting with: 12ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

Rhododendron 'Countess of Athlone'

Hybridiser:van Nes C. B . & Sons. Boskoop, Netherlands, 1923 (see more plants of this hybridizer)
Status:IRRC registered.
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:lateFlower:unknown
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: 2
R. Countess of Athlone per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 2

'Geoffroy Millais'   Click to see more information XR. catawbiense 'Catawbiense Grandiflorum'   Click to see more information

R. griffithianum   Click to see more information


Rhododendron 'Countess of Athlone' photos

Photo byTheo Damen
LocationArboretum Belmonte, Wageningen, Netherlands
Date28 April, 2004
See high-resolution picture

Send your own information or pictures

Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Kernéostic''Countess of Athlone' x ?Colombel, Marc, 1986
'Laura Marie''Countess of Athlone' x R. ponticumLancaster, Ben, F., 1963
'Queen of All''Countess of Athlone' x 'Susan'O'Rourke, H., 1989
Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009