Rhododendron Hybrids / cultivars

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Rhododendron 'Ronald Otto Delp'

Hybridiser:Hinerman, D.L.. Ann Arbor, Michigan, USA, 1975 (see more plants of this hybridizer)
Status:IRRC registered.
Synonyms:'R.O. Delp'
Height
Height
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:lateFlower:openly funnel-shaped
Type:elepidoteLeaves:broadly acute
Hardiness:
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: 1
R. Ronald Otto Delp per country:
(could be a clue for heat/cold-tolerance)

United States : 1


Seed-parentPollen-parent
'Lodestar'   Click to see more information

X'Mary Belle'   Click to see more information

'Catawbiense Album'   Click to see more information

x'Belle Heller'   Click to see more information

'Atrier Group'   Click to see more information

x'Dechaem Group'   Click to see more information
R. catawbiense   Click to see more information

x?'Catawbiense Album'   Click to see more information

x'Madame Carvalho'   Click to see more information

'Atrosanguineum'   Click to see more information

xR. griersonianum   Click to see more information

R. decorum ssp decorum   Click to see more information

xR. haematodes ssp haematodes   Click to see more information



Rhododendron 'Ronald Otto Delp' photos

 
Photo byMihkel Saar
LocationRhododendron park Bremen
Date20 May, 2010
See high-resolution picture
 
Photo byJack & Jackie Looye
LocationRhodo Land Nursery, Niagara on the Lake, Ontario Canada
Date
 
Photo byJack & Jackie Looye
LocationRhodo Land Nursery, Niagara on the Lake, Ontario Canada
Date
See high-resolution picture
 
Photo byJack & Jackie Looye
LocationRhodo Land Nursery, Niagara on the Lake, Ontario Canada
Date16 May, 2006
See high-resolution picture




Send your own information or pictures


Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Delp's Stardust'   Click to see more information


  Delp's Stardust
'Ronald Otto Delp' x 'Golden Star'Delp Weldon E., 1992
'Heart Talk''Ronald Otto Delp' x 'Weldy x Serendipity'Delp Weldon E., 1992
'Inner Spirit''Ronald Otto Delp' x 'Lifeline'Delp Weldon E.
'Top Dog''Ronald Otto Delp' x 'Dead Ringer'Delp Weldon E., 1992
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009