Rhododendron Species


Gallery: ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

R. arborescens

SubgenusPentanthera
SectionPentanthera
SubsectionPentantheraClick to see all Pentanthera
Synonyms
Azalea arbore
Azalea arborescens
R. arborescens var richardsonii
Azalea fragrans   (Raf.
Constantine Samuel Rafinesque-Schmaltz
(1783-1840)
Turkey, Constantinopel
Botanical-short: Raf.
)
Azalea viscosa
In cultivation since: 1922

First described: 1824, (Torr.
John Torrey
(1796-1873)
USA, New York
Botanical-short: Torr.
)

Origin: Alabama and Georgia, Tennessee and Florida 0-500 meter

About arborescens : "becoming tree-like"

Corolla: tubular
Leaves: ovate

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

Winter: deciduous
Bloomtime: late midseason
Hardiness: H4
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: white

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
: 250 cm. (8ft.)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 88
R. arborescens per country:
(could be a clue for heat/cold-tolerance)

Finland : 43
Netherlands : 18
Denmark : 9
Canada : 8
United States : 6
Sweden : 2
France : 2



Clones / selections
'Ailsa', 1952, Adams-Acton, G.M, London, England
'Dee Dee', 1987, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USA
'Deed I Do', 1987, unknown, ,
'Little's Early Light Pink', 1985, Little, P.L., Piping Tree Gardens, Beaverdam, Virgina, USA
'Pink Smokey', 1955, Pride, O.S., Butler, Pennsylvania, USA
'Running Arborescens', 1985, unknown, ,


Send questions, information or pictures

Rhododendron arborescens
C.W. Galle, selection with extralong prominent stammens.Planted 1993.
(Forms without reddish stammens are doubtful.)
Photo byDr. Stephan Bubert
Date08 July, 2012
LocationPrivate garden, Hamburg, Germany
See high-resolution version
Rhododendron arborescens
Photo byHank Helm
Date07 June, 2013
LocationHank Helm Garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron arborescens
C.W. Galle, selection with extralong prominent stammens.Planted 1993.
(Forms without reddish stammens are doubtful.)
Photo byDr. Stephan Bubert
Date07 July, 2012
LocationPrivate garden, Hamburg, Germany
See high-resolution version
Rhododendron arborescens
R. arborescens var Georgiana, a variety distinct from the northern form.
In their native habitat, they start blooming in August and go well into September.
Lower edge of the Piedmont from above Montgomery, AL, to the area of Pine Mountain, GA
Photo byBruce Clyburn
Date31 July, 2007
Location
See high-resolution version
Rhododendron arborescens
Photo byEverard Daniel
Date18 June, 2004
LocationLeonardslee/Loder Plants, Sussex, UK
See high-resolution version
Rhododendron arborescens
Photo byHerman Van Ree
Date24 June, 2010
Locationown garden Nunspeet, Netherlands
See high-resolution version
Rhododendron arborescens
Photo byTijs Huisman
Date21 June, 2006
Location
See high-resolution version
Rhododendron arborescens
Photo byHerman Van Ree
Date24 June, 2010
Locationown garden Nunspeet, Netherlands
See high-resolution version
Rhododendron arborescens
Photo byHank Helm
Date07 June, 2014
LocationPrivate garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron arborescens
Photo byHerman Van Ree
Date24 June, 2010
Locationown garden Nunspeet, Netherlands
See high-resolution version
Rhododendron arborescens
Photo byStaffan Bodn
DateJune, 2009
Locationown garden Sjbo, Sweden
See high-resolution version
Rhododendron arborescens
R. arborescens with yellow blotch
Photo byTijs Huisman
Date21 June, 2006
Location
See high-resolution version
Rhododendron arborescens
Photo byTijs Huisman
Date02 May, 2003
Location
See high-resolution version
Rhododendron arborescens
Photo byTijs Huisman
Date02 May, 2003
Location
See high-resolution version
Rhododendron arborescens
Photo byHank Helm
Date14 June, 2014
LocationPrivate garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron arborescens
Photo byStaffan Bodn
DateJune, 2009
Locationown garden Sjbo, Sweden
Rhododendron arborescens
Photo byTijs Huisman
Date02 May, 2003
Location
See high-resolution version




Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. arborescens is directly involved:     show indirect inv.
'A Fine Romance', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'After All', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Ain't She Sweet', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'August Sunrise', 1978, Callaway Gardens, , R. arborescens x ?
'Cagle Nocturne', 1986, Schild, J.E., Hixson, Tennessee, USAR. arborescens x R. cumberlandense
'Calendarb', 1955, Biltmore Gardens, Asheville. North Carolina, USAR. arborescens x R. calendulaceum
'Carlson's Postscript Group', Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Cherokee Frosty Morn' (photoClick to see more information


Cherokee Frosty Morn
), 1988, Parks, J.B. (Joe), Dover, New Hampshire, USA
R. arborescens x ?
'Cherokee Lemon Chiffon' (photoClick to see more information


Cherokee Lemon Chiffon
), 1986, Parks, J.B. (Joe), Dover, New Hampshire, USA
R. arborescens x 'Vineland Flare'
'Coloratura', 1961, Leach, Dr. David G., North Madison, Ohio, USAR. cumberlandense x R. arborescens
'Cumberland Cheer', 1986, Schild, J.E., Hixson, Tennessee, USAR. arborescens x R. cumberlandense
'Cumberland Gold', 1986, Schild, J.E., Hixson, Tennessee, USAR. cumberlandense x R. arborescens
'Echoes of Spring', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Echoes of You', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'EP-2', Aromi, E.J, Mobile, Alabama, USA'prunifolium x serrulatum' x R. arborescens
'Falling in Love', 1985, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Fine and Dandy', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Jeff', 1985, Beasley, J., , R. prunifolium x R. arborescens
'July Jingle', 1961, Leach, Dr. David G., North Madison, Ohio, USAR. prunifolium 'S.D. Coleman' x R. arborescens
'July Joy', 1961, Leach, Dr. David G., North Madison, Ohio, USAR. prunifolium x R. arborescens
'Klokke Roeland', 1994, de Clercq, L., , R. cumberlandense x R. arborescens
'Lady Marmalade', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Late Date', 1980, Anastos, N., , R. prunifolium x R. arborescens
'Lemon Rind', 1964, Herbert, C., , R. arborescens x R. cumberlandense
'Let's Dance', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Lollipop' (photoClick to see more information


Lollipop
), 1963, Mezitt, E.V., Weston Nurseries, Hopkinton, Massachusetts, USA
'viscosum x cumberlandense' x R. arborescens
'Pink and Sweet' (photoClick to see more information


Pink and Sweet
), 1963, Mezitt, E.V., Weston Nurseries, Hopkinton, Massachusetts, USA
R. arborescens x ?
'Pink Puff' (photoClick to see more information


Pink Puff
), 1961, Leach, Dr. David G., North Madison, Ohio, USA
R. cumberlandense x R. arborescens
'Popsicle' (photoClick to see more information


Popsicle
), 1965, Mezitt, E.V., Weston Nurseries, Hopkinton, Massachusetts, USA
R. viscosum x R. arborescens
'Queen Mum', 1994, de Clercq, L., , R. cumberlandense x R. arborescens
'Quiet Thoughts' (photoClick to see more information


Quiet Thoughts
), 1980, Mezitt, E.V., Weston Nurseries, Hopkinton, Massachusetts, USA
? x R. arborescens
'Ribbon Candy' (photoClick to see more information


Ribbon Candy
), 1965, Mezitt, E.V., Weston Nurseries, Hopkinton, Massachusetts, USA
R. viscosum x R. arborescens
'Rocky River Red', 1986, Schild, J.E., Hixson, Tennessee, USAR. cumberlandense x R. arborescens
'S Wonderful', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Salmon and Delilah', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Salmon Chanted Evening', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Salmon Spectacle', 1985, Holmsomback, O., , R. arborescens x R. calendulaceum
'September Surprise', 1978, Cavender, R.W., Red's Rhodies, Sherwood, Oregon, USAR. arborescens x R. prunifolium
'Sommerduft' (photoClick to see more information


Sommerduft
), 1984, Hachmann, Hans, Barmstedt in Holstein, Germany
R. viscosum x R. arborescens
'Sweet Memories', 1992, Carlson's Gardens, (Bob & Janice Carlson), South Salem, New York, USAR. cumberlandense x R. arborescens
'Weston's Innocence' (photoClick to see more information


Weston's Innocence
), 1963, Mezitt, E.V., Weston Nurseries, Hopkinton, Massachusetts, USA
R. arborescens x R. viscosum
Hybrids where clones/selections of R. arborescens are involved (alphabetical per clone)
'Little's Fancy Giant', 1995, Little, P.L., Piping Tree Gardens, Beaverdam, Virgina, USAR. arborescens 'Little's Early Light Pink' x R.


Indirect involvement of R. arborescens in cultivars: (cultivar = direct child/cultivar of arborescens)
'XS-1', Aromi, E.J, Mobile, Alabama, USA'EP-2' x 'NR-1'
_____________________________________________________________________________________________________________________________________
Rhododendron Species   Hirsutum.info     Project started 03 June 2009