Rhododendron Hybrids / cultivars

Gallery name starting with: 12ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

Rhododendron 'Summer Summit'

Hybridiser:Leach, Dr. David G.. North Madison, Ohio, USA, 1958 (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
150 cm. (5ft.)
Bloom time:very 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: 6
R. Summer Summit per country:
(could be a clue for heat/cold-tolerance)

United States : 5
France : 1

R. maximum   Click to see more information

X'auriculatum x fortunei discolor'   Click to see more information

R. auriculatum   Click to see more information

xR. fortunei ssp discolor   Click to see more information

Rhododendron 'Summer Summit' photos

Photo byDavid C. Royster
LocationCharlotte, NC, USA
Date08 June, 2005
See high-resolution picture

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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009