Rhododendron Hybrids / cultivars

Gallery name starting with: 12ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

Rhododendron 'Helsinki University'

Hybridiser:Uosukainen, Marjatta, Dr. Mrs.. Laukaa, Finland, 1974 (see more plants of this hybridizer)
Status:IRRC registered.
Additional parentage info:() x (unknown)
Height
Height
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:midseasonFlower:openly funnel-shaped
Bloom time duration:19
Bloom time duration 'Helsinki University'

Observation based on 1 plants,
growing in 1 'My-gardens'.

Exact= 19 days.
days.
Type:elepidoteLeaves:oblanceolate
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: 13
R. Helsinki University per country:
(could be a clue for heat/cold-tolerance)

United States : 3
Canada : 3
Finland : 2
Sweden : 2
Estonia : 1
Poland : 1
Germany : 1


Seed-parentPollen-parent
R. brachycarpum ssp tigerstedtii   Click to see more information

X?


Rhododendron 'Helsinki University' photos

 
Photo byRinus Manders
LocationPrivate garden, Herpen, Netherlands
Date21 April, 2014
See high-resolution picture
 
Photo byWillem Van 't Zelfde
LocationPrivate garden, Sauerland (500 m), Germany
Date25 May, 2014
See high-resolution picture
 
Photo byRinus Manders
LocationPrivate garden, Herpen, Netherlands
Date26 April, 2014
See high-resolution picture
 
Photo byRinus Manders
LocationPrivate garden, Herpen, Netherlands
Date21 April, 2014
See high-resolution picture
 
Photo byCronstedt Arboretum
LocationCronstedt Arboretum
Date13 June, 2004
See high-resolution picture
 
Photo byMihkel Saar
LocationRhododendron Park Bremen
Date20 May, 2010
See high-resolution picture
 
Photo byWillem Van 't Zelfde
LocationPrivate garden, Sauerland (500 m), Germany
Date25 May, 2014
See high-resolution picture
 
Photo byRinus Manders
LocationPrivate garden, Herpen, Netherlands
Date26 April, 2014
See high-resolution picture
 
Photo byRinus Manders
LocationPrivate garden, Herpen, Netherlands
Date21 April, 2014
See high-resolution picture




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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009