R. griffithianum

This rhododendron’s forebears are found in E. Nepal, Sikkim, Bhutan and N.E. India. Flowers are large, with five lobes, it has a distinctive calyx and distinctive smooth reddish brown bark. The plant is tender and needs protection in the Northwest.

A form of this species was used in a cross to produce the famous Loderi clones. Flowers are among the largest in the genus and are quite fragrant.

This rhododendron will like: Partial Shade – small amounts of fertilizer on Valentine’s Day and Mother’s Day – gentle watering – well aerated soil with good drainage – protection from deep cold below 10 degrees.