Hotei Rhododendron Hotei Rhododendrons have classic canary yellow flowers - the one that everybody is looking for. Must be more mature to bloom well, but it's worth the wait. Compact growth habit. Primary Color: Yellow Bloom Time: Midseason Height in 10 Years: 4' Hardiness (Temperature): -5 Sun / Shade: Morning Sun, Afternoon Shade Landscape Category: Shrub Genus: Rhododendron More plants in: Hybrid Rhododendrons Find out if this plant is available: Rhododendron and Azalea Availability List