Rhododendron Hybrids / cultivars

Gallery name starting with: 12ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

Rhododendron 'Mrs Betty Robertson'

Extra info:This plant should be called: Betty Robinson. see More info IRRC is wrong here
Hybridiser:Koster M. & Sons. Boskoop, Netherlands, 1920 (see more plants of this hybridizer)
Status:IRRC registered.
Synonyms:'Betty Robertson'
'Betty Robinson'
Additional parentage info:() x (campylocarpum hybrid)
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:midseasonFlower: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: 9
R. Mrs Betty Robertson per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 4
United States : 3
Canada : 2

'Mrs Lindsay Smith'   Click to see more information

'George Hardy'   Click to see more information

x'Duchess of Edinburgh'   Click to see more information
R. griffithianum   Click to see more information

xR. catawbiense?x?

Rhododendron 'Mrs Betty Robertson' photos

Photo byJeannie & Calvin Parsons
LocationGlendale Gardens, Victoria, BC, Canada
Date28 April, 2010
See high-resolution picture
Photo byJoep Verstappen
Locationprivate garden Budel, Netherlands
Date04 May, 2005

Send your own information or pictures

Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Barefield's P. Lee''Earl of Athlone' x 'Mrs Betty Robertson'Barefield, G.E., 1958
'Dee Dee Wegener''Jingle Bells' x 'Mrs Betty Robertson'Smith, B.M., 1974
'Earl of Lockington''Mrs Betty Robertson' x 'Cornubia Group'Dosser, D.J., 1990
'F.C. Puddle Group x Mrs Betty Robertson''F.C. Puddle Group' x 'Mrs Betty Robertson'No hybridiser registered
'Glory of Lockington''Tortoiseshell Wonder' x 'Mrs Betty Robertson'Dosser, D.J., 1990
'Mrs Betty Robertson x Fred Rose''Mrs Betty Robertson' x 'Fred Rose'No hybridiser registered
'Mrs Betty Robertson x wardii''Mrs Betty Robertson' x R. wardii var wardiiNo hybridiser registered
'Northern Belle''Tortoiseshell Wonder' x 'Mrs Betty Robertson'Dosser, D.J., 1990
'Odee Wright'   Click to see more information

  Odee Wright
'Idealist Group' x 'Mrs Betty Robertson'Wright, A.O., 1957
'Patricia Wilson'? x 'Mrs Betty Robertson'Dosser, D.J., 1990
'Virginia Richards'   Click to see more information

  Virginia Richards
'wardii x F.C. Puddle' x 'Mrs Betty Robertson'Whitney, William E., 1975
Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009