Rhododendron Hybrids / cultivars

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Rhododendron 'Aunt Martha'

Hybridiser:Clark, R.W.. Olympia, Washington, USA, 1958 (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
150 cm. (5ft.)
Bloom time:late midseasonFlower:unknown
Type:elepidoteLeaves:unknown
Hardiness:H5
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: 4
R. Aunt Martha per country:
(could be a clue for heat/cold-tolerance)

United States : 4


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

X?


Rhododendron 'Aunt Martha' photos

 
Photo byRobert George
LocationPrivate garden, Sammamish, Washington, USA.
Date19 May, 2004
See high-resolution picture
 
Photo byBill & Cheryl Gray
LocationCisco Heights National Forest & Rhody Ranch, WA, USA
Date06 June, 2012
See high-resolution picture
 
Photo byPaul Wurz
LocationHidden Acres Rhododendrons, Campbell River, BC, Canada
Date17 May, 2005
See high-resolution picture




Send your own information or pictures


Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Emily Baker''Aunt Martha' x R. ponticumBaker, H.S., 1989
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009