Rhododendron Hybrids / cultivars

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Rhododendron 'Humboldt'

Hybridiser:Seidel, T.J.. Dresden, Germany, 1906 (see more plants of this hybridizer)
Status:IRRC registered.
Synonyms:'Humbold'
Height
Height
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:late midseasonFlower:unknown
Type:elepidoteLeaves:ovate
Hardiness:H5
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: 11
R. Humboldt per country:
(could be a clue for heat/cold-tolerance)

Denmark : 4
Netherlands : 3
Finland : 2
Poland : 1
Norway : 1


Seed-parentPollen-parent
R. catawbiense   Click to see more information

X?


Rhododendron 'Humboldt' photos

 
Photo byunknown
Location
Date
 
Photo byPeter Norris
LocationWesterstede Expo [near Bremen] , Germany
Date22 May, 2010
See high-resolution picture




Send your own information or pictures


Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Doberluger Weisse''Madame Carvalho' x 'Humboldt'Hermann, E., 1964
'Eva''Don Juan' x 'Humboldt'Dvořk, J., 1978
'Hachmann's Constanze'   Click to see more information


  Hachmann's Constanze
'Humboldt' x 'Kluis Sensation'Hachmann, Hans, 1959
'Hachmann's Ornament'   Click to see more information


  Hachmann's Ornament
'Humboldt' x 'Direktor E Hjelm'Hachmann, Hans, 1957
'Holstein'   Click to see more information


  Holstein
'Humboldt' x R. catawbiense 'Catawbiense Grandiflorum'Hachmann, Hans, 1959
'Kokardia'   Click to see more information


  Kokardia
'Humboldt' x 'Direktor E Hjelm'Hachmann, Hans, 1957
'Lamentosa'   Click to see more information


  Lamentosa
'Humboldt' x R. degronianum ssp yakushimanum 'Koichiro Wada'Hachmann, Hans, 1968
'Marina Domschke'   Click to see more information


  Marina Domschke
'Gudrun' x 'Humboldt'Domschke, O
'Schneekrone'   Click to see more information


  Schneekrone
'Humboldt' x R. degronianum ssp yakushimanum 'Koichiro Wada'Hachmann, Hans, 1968
'Silberglanz'   Click to see more information


  Silberglanz
'Humboldt' x R. degronianum ssp yakushimanum 'Koichiro Wada'Hachmann, Hans, 1968
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009