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Rhododendron 'Shamrock' is a clean and compact shrub that forms a well-behaved evergreen mound. With its green-tinted buds and soft yellow flowers, this beautiful dwarf hybrid embodies the freshness of spring. From April through May, the blooms cover their beautiful, dark green leaves. It's a great specimen shrub for front borders, woodland margins, rock gardens, and containers. Height: 60cm (24). Spread: 90 cm (36).