Rhododendron Species


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R. macgregoriae

SubgenusRhododendron
SectionVireya
SubsectionEuvireyaClick to see all Euvireya
Synonyms
R. lauterbachianum
In cultivation since: ?

First described:

Origin:

Corolla: unknown
Leaves: unknown

Habit: terrestrial
epiphytic = living on dead organic material (decaying trees f.i)
terrestrial = in soil (like in your garden)

Winter: evergreen
Bloomtime: 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)


Predominant color: ????

Height
Height
The figures listed here are the observed size in the natural environment.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
: ?


Clones / selections
'Paddy Woods', unknown, ,
'Tom Grieve', 2007, unknown, ,


Send questions, information or pictures

Rhododendron macgregoriae
Photo byunknown
Date
Location




Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. macgregoriae is directly involved:     show indirect inv.
'Apricot Gem', unknown, , R. macgregoriae x ?
'aurigeranum x macgregoriae', No hybridiser registered, , R. aurigeranum ssp aurigeranum x R. macgregoriae
'Bulolo Gold', unknown, , R. macgregoriae x R. aurigeranum ssp aurigeranum
'Buttermaid' (photo), 1988, Jury, M., , R. aurigeranum ssp aurigeranum x R. macgregoriae
'Celebration', 1988, Lelliott, T., Boronia, Victoria, AustraliaR. lochiae x R. macgregoriae
'Cheeky Mandarin', unknown, , 'viriosum x macgregoriae' x R. macgregoriae
'Coral Chance', unknown, , R. macgregoriae x R. commonae
'Coral Chimes', 1984, Blumhardt, O. S., Koromiko Nurseries, Whangarei, New ZealandR. macgregoriae x R. gracilentum
'Ferdinand von Mueller', unknown, , R. macgregoriae x R. viriosum
'Flamenco Dancer' (photo), 1983, Lelliott, T., Boronia, Victoria, AustraliaR. aurigeranum ssp aurigeranum x R. macgregoriae
'Golden Charm', unknown, , R. macgregoriae x 'Princess Alexandra'
'Golden Chimes', unknown, , ? x R. macgregoriae
'Goldilocks', unknown, , R. christianae x R. macgregoriae
'laetum x macgregoriae', No hybridiser registered, , R. laetum x R. macgregoriae
'Little Bo Peep', unknown, , R. macgregoriae x ?
'lochiae x macgregoriae', No hybridiser registered, , R. lochiae x R. macgregoriae
'Lomac', unknown, , R. viriosum x R. macgregoriae
'Lou Searle', unknown, , R. macgregoriae x R. dielsianum var dielsianum
'Lucie Sorensen' (photo), Rouse, J.L., Toorak, Victoria, AustraliaR. macgregoriae x R. bagobonum
'macgregoriae x aurigeranum', No hybridiser registered, , R. macgregoriae x R. aurigeranum ssp aurigeranum
'macgregoriae x laetum', No hybridiser registered, , R. macgregoriae x R. laetum
'macgregoriae x stenophyllum', No hybridiser registered, , R. macgregoriae x R. stenophyllum ssp stenophyllum
'macgregoriae x viriosum', No hybridiser registered, , R. macgregoriae x R. viriosum
'macgregoriae x zoelleri', No hybridiser registered, , R. macgregoriae x R. zoelleri
'macgregoriae X zoelleri x konori' (photo), No hybridiser registered, , R. macgregoriae x 'zoelleri x konori'
'Pendragon', unknown, , 'viriosum x laetum' x R. macgregoriae
'Pennywhistle' (photo), 1986, Rouse, J.L., Toorak, Victoria, AustraliaR. macgregoriae x R. bagobonum
'Phoebe Dunbar', unknown, , R. stenophyllum ssp stenophyllum x R. macgregoriae
'Queen of Diamonds', 1988, Jury, M., , R. lochiae x R. macgregoriae
'Queen of Hearts' (photo), 1991, USA, , R. macgregoriae x R. lochiae
'Rob's Favourite', unknown, , R. viriosum x R. macgregoriae
'Rosy Chimes', unknown, , R. macgregoriae x R. gracilentum
'Scotchburn White', unknown, , R. macgregoriae x ?
'Sunny', unknown, , R. christianae x R. macgregoriae
'Sunny Glade', unknown, , R. macgregoriae x R. christianae
'Sunny Splendour' (photo), unknown, , R. macgregoriae x R. christianae
'Sunny's Brother' (photo), unknown, , R. christianae x R. macgregoriae
'Sweet Beatrice', 1988, Rouse, J.L., Toorak, Victoria, AustraliaR. rubineiflorum x R. macgregoriae
'Sweet Mac', 1982, Serle, L., , R. inconspicuum x R. macgregoriae
'Tango Time' (photo), 1993, No hybridiser registered, , R. macgregoriae x R. christianae
'Tetramum', 1976, Blumhardt, O. S., Koromiko Nurseries, Whangarei, New ZealandR. lochiae x R. macgregoriae
'Tropic Summer', unknown, , R. aurigeranum ssp aurigeranum x R. macgregoriae
'viriosum x macgregoriae', No hybridiser registered, , R. viriosum x R. macgregoriae
'Wee Willie Winkie', unknown, , R. macgregoriae x R. stenophyllum ssp stenophyllum
'zoelleri x macgegoriae', No hybridiser registered, , R. zoelleri x R. macgregoriae


Indirect involvement of R. macgregoriae in cultivars: (cultivar = direct child/cultivar of macgregoriae)
'David Crouch', 1975, Lelliott, T., Boronia, Victoria, Australia'aurigeranum x macgregoriae' x R. aurigeranum ssp aurigeranum
'Blush Tumble', unknown, , 'Coral Chimes' x R. saxifragoides
'Satans Gift x Flamenco Dancer' (photo), No hybridiser registered, , 'Satan's Gift' x 'Flamenco Dancer'
'Channon Marie', unknown, , 'laetum x macgregoriae' x R. zoelleri
'Citron Bells', unknown, , 'Carillon Bells' x 'laetum x macgregoriae'
'Brightly', unknown, , 'Tropic Glow' x 'lochiae x macgregoriae'
'Pacific Shower', 1983, Stanton, D.B., Wollongong, New South Wales, Australia'lochiae x macgregoriae' x R. christianae
'Barbara Campbell', 2002, Mitchell, R.A., , 'macgregoriae x aurigeranum'
'Bill Moynier', 1997, Moynier, W.A., , 'Gardenia Odyssee x aurigeranum' x 'macgregoriae x aurigeranum'
'Doctor Herman Sleumer X macgregoriae x aurigeranum', No hybridiser registered, , 'Doctor Hermann Sleumer' x 'macgregoriae x aurigeranum'
'laetum X macgregoriae x aurigeranum', No hybridiser registered, , R. laetum x 'macgregoriae x aurigeranum'
'Leonore Frances', 1972, Sullivan, P., , 'macgregoriae x aurigeranum' x 'Doctor Hermann Sleumer'
'macgregoriae x aurigeranum X Doctor Hermann Sleumer', No hybridiser registered, , 'macgregoriae x aurigeranum' x 'Doctor Hermann Sleumer'
'San Gabriel', unknown, , 'macgregoriae x aurigeranum' x 'Doctor Hermann Sleumer'
'San Rafael', unknown, , 'macgregoriae x aurigeranum' x 'Doctor Hermann Sleumer'
'Stephen', unknown, , 'macgregoriae x aurigeranum' x R. zoelleri
'Golden Prolific', unknown, , 'macgregoriae x laetum' x R. laetum
'Hawaii Sunrise', 1999, Moyles, E.W., Oakland, California, USA'macgregoriae x laetum' x R. saxifragoides
'Three Bells', unknown, , 'macgregoriae x stenophyllum' x R. bagobonum
'Dawn Chorus' (photo), 1993, USA, , 'Tropic Glow' x 'macgregoriae x viriosum'
'Belisar', unknown, , 'laetum x zoelleri' x 'macgregoriae x zoelleri'
'Cristo Rey' (photo), 1971, Sullivan, P., , 'macgregoriae x zoelleri' x 'laetum x zoelleri'
'Gentle Jenny', unknown, , 'macgregoriae x zoelleri' x R. jasminiflorum ssp jasminiflorum
'Larissa', unknown, , 'Cameo Spice' x 'Rob's Favourite'
'Happy Wanderer', 1983, Blumhardt, O. S., Koromiko Nurseries, Whangarei, New Zealand'Oriana' x 'Rosy Chimes'
'Little Kisses', unknown, , 'Rosy Chimes' x 'Oriana'
'Brindabella', unknown, , 'laetum X zoelleri x polyanthemum' x 'Sunny'
'Little One' (photo), 1987, Clancy, B., , 'Sunny' x R. rubineiflorum
'Cheeky Mandarin', unknown, , 'viriosum x macgregoriae' x R. macgregoriae
'Kisses' (photo), 1980, Blumhardt, O. S., Koromiko Nurseries, Whangarei, New Zealand'Tropic Glow' x 'viriosum x macgregoriae'
'laetum X viriosum x macgregoriae', No hybridiser registered, , R. laetum x 'viriosum x macgregoriae'
'Little Pinkie', unknown, , 'viriosum x macgregoriae' x R. loranthiflorum ssp loranthiflorum
'Andre Sakharov', 1983, Sullivan, P., , 'zoelleri x macgegoriae' x R. zoelleri
'Doris Mossman', 1985, Mossman, F. D., Vancouver, Washington, USA'zoelleri x macgegoriae' x R. stenophyllum ssp stenophyllum
'Yuri Orlov', unknown, , 'zoelleri x macgegoriae' x R. zoelleri
'zoelleri x macgegoriae X aurigeranum', No hybridiser registered, , 'zoelleri x macgegoriae' x R. aurigeranum ssp aurigeranum
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Rhododendron Species   Hirsutum.info     Project started 03 June 2009