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botanical name:
Rhododendron 'Shamrock'
Rhododendron 'Shamrock' © Deeproot Plant Base
family:  Ericaceae
characteristics: shrub, evergreen
height: 0.45m
width: 0.75m
growth rate: slow
growth habit: mounding
leaf colour: green
flower colour: yellow
main season: Spring
poison symbol poisonous or irritant
aspect: full sun, part shade
conditions: moist soil, sandy soil
preferred soil pH: acid
minimum temp: -18°C
USDA zone: 7 to 9
Dwarf evergreen of compact spreading habit with small oval leaves. Produces clusters of pale greenish yellow flowers in April or May

Moist, well drained, humus-rich acid soil in sun or part shade

Rock gardens, raised beds, borders

other notes:
Raised by Dr. Robert Ticknor, Oregon University, introduced about 1978
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