Rhododendron Hybrids / cultivars

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Rhododendron 'Don Kellam'

Hybridiser:Cowles, J.C.. Stow, MA (superintendent of Dexter Estate 1959-1967), USA, 1963 (see more plants of this hybridizer)
Status:IRRC registered.
Synonyms:'Kellam's Orange'
Additional parentage info:(possibly “Dexter’s Giant Red” x “Dexter’s Orange”) x ()
The figures listed here are averages.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
in 10 years
200 cm. (7ft.)
Bloom time:late midseasonFlower:broadly funnel-shaped
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)

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Rhododendron 'Don Kellam' photos

Photo byJim Willhite
Locationprivate garden Berwyn, PA, USA
Date10 May, 2008
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Photo byFrederick Thurber
LocationHeritage Plantation, Sandwich, MA, USA
Date30 May, 2008
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Photo byDavid C. Royster
Locationvan Landingham Glen, Charlotte, NC, USA
Date06 May, 2007
See high-resolution picture

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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009