Rhododendron Hybrids / cultivars

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: late Flower: openly funnel-shaped Type: elepidote Leaves: 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-parent Pollen-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 x R. griersonianum   Click to see more information R. decorum ssp decorum   Click to see more information x R. haematodes ssp haematodes   Click to see more information Rhododendron 'Ronald Otto Delp' photos   Photo by Mihkel Saar Location Rhododendron park Bremen Date 20 May, 2010 See high-resolution picture   Photo by Jack & Jackie Looye Location Rhodo Land Nursery, Niagara on the Lake, Ontario Canada Date   Photo by Jack & Jackie Looye Location Rhodo Land Nursery, Niagara on the Lake, Ontario Canada Date See high-resolution picture   Photo by Jack & Jackie Looye Location Rhodo Land Nursery, Niagara on the Lake, Ontario Canada Date 16 May, 2006 See high-resolution picture

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