WISH LIST FOR RHODODENDRON SEEDS
By Ole Jonny Larsen, Europeen member of the Seed Exchange Committee of the ARS
On behalf of the Seed Exchange Committee of the ARS I have asked members and others who grow Rhododendrons from seeds to tell which species they really wish to grow. I sent out emails to lots of people, and a note was printed in the winter issue of The Journal asking readers to send in their wishes. The response has been good and has resulted in a long list. My first thought is that it is amazing how many well known species have never or rarely been offered, although lots of people have them in their collections. More members should pick up pollinating to produce seeds! It is not difficult to learn, you will find instructions in lots of books on Rhododendrons. If enough people just made two or three pollinations of rare species, the Seed Exchange would be able to present much better seed lists in the future.
Most of the wishes received are on the list. Some have been deleted since they have been offered on this year’s list, or have been on the seed list more than one time over the last five years. Maybe a shorter list would be more effective, but I feel that the list now shows members thoughts and dreams for their gardens in the future. It also tells us how important the seed distribution is and how it can be improved to the benefit of our own members.
We now hope that collectors among us go through their plant lists and ask themselves if they can support some of these species seeds in the future. Even one new name on the seed list will be greatly appreciated, maybe someone have been searching just that species for years. It may be late to do pollinating when this issue of The Journal reaches you, but some late flowering species can still be done. Then plan for next year and read more about pollinating procedures.
You can read about the subject in “Success with Rhododendrons and Azaleas” by H. Edward Reiley
and in “The Cultivation of Rhododendrons” by Peter Cox. Why not practice on late flowering plants this year?
These are member’s wishes for the future seed lists:
(“ordinary” rhododendrons and big leaved species. Some deciduous azaleas included).
Some responders ask for dwarf, compact or high alpine forms of some of these species, especially in Subsection Taliensia. Hardier forms than those in cultivation are always desired. High altitude collections of big leaved species (Subsection Grandia and Falconera) should be sought after to extend the cultivation areas for these magnificent plants.
alutaceum var. russotinctum
alutaceum var. iodes
callimorphum var. myiagrum
campylocarpum ssp caloxanthum
chamaethomsonii var chamaethauma
citriniflorum (incl. var horaeum)
crinigerum (hardy forms)
forrestii var papillatum
fulvum ssp fulvoides
hobbiense (yellowbrown indumentum)
luciferum (or lanatum var luciferum) with red-brown indumentum)
mallotum (hardy forms)
mimetes var. mimetes and var. simulans
molle ssp. molle
mucronulatum var. chejuense (Syn: var. taquetii)
planetum (not found in the wild)
purdomii (without bristels)
sanguineum var. haemaleum
sanguineum var. himertum
sanguineum var. cloiophorum
sanguineum var. didymoides
schlippenbachii with deep pink flowers
selense ssp setifeum
temenium var.gilvum and var. dealbatum
thomsonii ssp. lopsangianum
traillianum var. dictyotum
viscosum 'Lemon Drop'
wasonii var. wasonii and var. wenchuanense
williamsianum incl. dwarf and white forms
LEPIDOTES (most of them dwarf species)
Subsection Lapponica seems to be the most popular since so many responders ask for them.
Any form, variant, subspecies or group within this Subsection is desired. This also goes for Section Pogonanthum. Some of the species on the list is not yet introduced for cultivation.
Wild collected seeds seem more popular than well known clones from gardens.
anthopogonoides (section Pogonanthum)
brachyanthum var. brachyanthum and var. hypolepidotum
cephalanthum ssp. platyphyllum
cinnabarinum ssp. tamaense
charitopes ssp charitopes and ssp tsangpoense
dauricum yellow form
fragrans (syn: adamsii)
glaucophyllum var album
laudandum var. laudandum and var. temoense
nitidulum var. omeiense and var. nitudulum
nivale (all ssp., var., forms and groups)
orthocladum var microleucum
pogonophyllum (section Pogonanthum)
radendum (section Pogonanthum)
russatum (incl. album form)
telmateium Forma diacritum
telmateium Forma drumonium
telmateium Forma idoneum
tsaii (not the aff. form)
Evergreen azaleas are rare on the seed lists although lots of them can be grown well in gardens, some even in cool climates.
indicum (several colour forms)
This photo shows Rhododendron cerasinum, one of the species on the wish list. It is my own photo, and it can be found on this web page:
Greetings Mr Larsen,
I am Australian member of RCM and ARS and would like to see the following on future seed lists;
R. arboreum ssp. campbelliae
R. metternichii var. kyomaruense
R. sanguineum forms