R. 'Grandma's Hat'

Rhododendron Hybrid

Hybridized By	Smith, B.M.
Introduced	1976
10 Year Height	150 cm. (5ft.)
Bloom Time	late midseason
Flower	openly funnel-shaped
Flower Color	purple
Fragrance	?
Leaves	oblanceolate
Leaf persistence	Evergreen
Type	Elepidote
Minimum Hardiness	-18 C (0 F)
Registration	Registered
Extra Information	Reg Reference ARS 873 Hybridized/ selected: Lem?

Title Grandma's Hat Photo By Hank Helm Date Taken Location Private garden, Bainbridge Island, WA, USA License Copyright, Hank Helm. Sizes small medium
Title Grandma's Hat Photo By Hank Helm Date Taken Location Private garden, Bainbridge Island, WA, USA License Copyright, Hank Helm. Sizes small medium
Title Grandma's Hat Photo By Bill & Cheryl Gray Date Taken July 1, 2011 Location Cisco Heights National Forest & Rhody Ranch, WA, USA License CC BY 4.0 Attribution Sizes small medium
Title Grandma's Hat Photo By Paul & Linda Lawry Date Taken Location private garden Lantzville, Vancouver Island, BC, Canada License Copyright, Paul & Linda Lawry. Sizes small medium
Title Grandma's Hat Photo By Garth Wedemire Date Taken May 19, 2008 Location Mike Bale's Garden: Lu Zhu, Agassiz, BC, Canada License CC BY 4.0 Attribution Sizes small medium
Title Grandma's Hat Photo By Paul & Linda Lawry Date Taken Location private garden Lantzville, Vancouver Island, BC, Canada License Copyright, Paul & Linda Lawry. Sizes small medium
Title R. Gramma's Hat Photo By Susan Lightburn Date Taken May 17, 2026 Location Private Garden, Vancouver Is., B.C. Canada License CC BY 4.0 Attribution Sizes small 768 x 510, 30 KB medium 1600 x 1062, 184 KB Full 4288 x 2848, 4.9 MB