Rhododendron Hybrids / cultivars

Gallery name starting with: 12ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

Rhododendron 'Donna Hardgrove'

Hybridiser:Hardgrove, D.L., 1951 (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
100 cm. (3ft.)
Bloom time:late midseasonFlower:broadly funnel-campanulate
Type:elepidoteLeaves:elliptic to ovate
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: 1
R. Donna Hardgrove per country:
(could be a clue for heat/cold-tolerance)

United States : 1

R. fortunei ssp fortunei   Click to see more information

X'wardii x dichroanthum'   Click to see more information
R. wardii var wardii   Click to see more information

xR. dichroanthum ssp dichroanthum   Click to see more information

Rhododendron 'Donna Hardgrove' photos

Photo byJim Willhite
Locationprivate garden Chadds Ford, PA, USA
Date10 May, 2008
See high-resolution picture

Send your own information or pictures

Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'brachycarpum ssp tigerstedtii x Donna Hardgrove'R. brachycarpum ssp tigerstedtii x 'Donna Hardgrove'No hybridiser registered
'Break Fast'   Click to see more information

  Break Fast
'Goldfort' x 'Donna Hardgrove'Byrkit, M.E., 1976
'Ginny's Delight''Gosh Darn!' x 'Donna Hardgrove'Delp Weldon E., 1989
'Golly Gee''Donna Hardgrove' x R. maximumRing, T.L., 1977
'Jack-o-Lantern''Donna Hardgrove' x R. vernicosumRhein, W.L., 1977
Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009