Dwarf Rhododendron Shamrock Hardy Plant In 9cm Pot, Pale Green & Yellow Flowers 'Shamrock' is a small, evergreen shrub growing to about 0.6m high with clusters of fragrant, pale green and yellowflowers in mid to late spring. Growing Details: Common Name: 'Shamrock' Skill Level: Beginner Exposure: Partial Shade Hardiness: Hardy Soil type: Well-drained/light, Acidic, Moist Height: 0.6-0.8m Spread: 0.5-1m Description: Rhododendron can be evergreen or deciduous shrubs or trees, with simple leaves, sometimes with a dense colourful indumentum of hairs on the lower side, and funnel-shaped, bell-shaped or tubular flowers that may be solitary or in short racemes