R. degronianum ssp yakushimanum 'Exbury Yakushimanum'

Species selection of R. degronianum ssp yakushimanum

Synonyms	R. 'R. Yakushimanum 'FCC'' R. 'R. Yakushimanum 'Koichiro Wada'' R. 'R. Yakushimanum 'Exbury Form''
Selected By	Exbury
Introduced	1934
10 Year Height	91 cm. (3ft.)
Bloom Time	midseason
Flower	?
Flower Color	white
Fragrance	None
Leaves	?
Leaf persistence	Evergreen
Type	Elepidote
Plant Hardiness	-26 C (-15 F)
Flower Bud Hardiness	?
Registration	Unknown or not recorded
Extra Information	The Royal Horticultural Society later awarded this specific clone a First Class Certificate (FCC) in 1947, and it was formally named 'Koichiro Wada.' Steve Hootman of the RSBG said Exbury, FCC, Wada are all the same plant, often sold in the trade under any of those names.

Title R. degronianum ssp yakushimanum 'Exbury Form' Photo By Thatrhodylady Date Taken May 5, 2026 Location Private Garden Seatac, WA, USA License CC BY 4.0 Attribution Text: Thatrhodylady via Rhododendra.com, CC BY 4.0 Sizes small 648 x 1152, 69 KB medium 1350 x 2400, 315 KB Full 2296 x 4080, 3.1 MB Description R. degronianum ssp yakushimanum 'Exbury Form'
Title R. degronianum ssp yakushimanum 'Exbury Form' Photo By Thatrhodylady Date Taken May 8, 2026 Location Private Garden Seatac, WA, USA License CC BY 4.0 Attribution Text: Thatrhodylady via Rhododendra.com, CC BY 4.0 Sizes small 648 x 1152, 40 KB medium 1350 x 2400, 153 KB Full 2296 x 4080, 3.3 MB Description R. degronianum ssp yakushimanum 'Exbury Form' from RSBG.
Title R. degronianum ssp yakushimanum 'Exbury Yakushimanum' Photo By Thatrhodylady Date Taken May 3, 2026 Location Private Garden Seatac, WA, USA License CC BY 4.0 Attribution Text: Thatrhodylady via Rhododendra.com, CC BY 4.0 Sizes small 648 x 1152, 44 KB medium 1350 x 2400, 199 KB Full 2296 x 4080, 2.7 MB Description R. degronianum ssp yakushimanum 'Exbury Form' flowers starting to open.
Title Exbury Yakushimanum Photo By Garth Wedemire Date Taken May 5, 2006 Location Mike Bale’s Garden: Lu Zhu, Agassiz, BC, Canada License CC BY 4.0 Attribution Text: Garth Wedemire via Rhododendra.com, CC BY 4.0 Sizes small 768 x 510, 41 KB medium 1200 x 798, 168 KB
Title Exbury Yakushimanum Photo By Hank Helm Date Taken May 23, 2003 Location Hank Helm Garden, Bainbridge Island, WA, USA License Copyright, Hank Helm. Sizes small 640 x 480, 36 KB medium 640 x 480, 69 KB
Title Exbury Yakushimanum Photo By Garth Wedemire Date Taken May 5, 2006 Location Mike Bale’s Garden: Lu Zhu, Agassiz, BC, Canada License CC BY 4.0 Attribution Text: Garth Wedemire via Rhododendra.com, CC BY 4.0 Sizes small 768 x 510, 26 KB medium 1200 x 798, 171 KB