Rhododendron lapponicum

Stratification is useful for Rhododendron lapponicum!

 

Rhododendron lapponicum is a shrub up to 30-40 cm high, with dark hooked branches. Leaves are elliptical, obtuse, with curved edges, dark green above, on both surfaces densely covered with disc-shaped glands. Clusters with 3-6 flowers on legs 6-12 mm long. Calyx finely ciliated, with ovoid-triangular lobes up to 1.5 mm long. Corollas are broadly bell-shaped, purple, 8-15 mm long., Deeply divided into lobes. Stamens, 5-8 in number, with downy filaments, much longer than the ovary. Ovary with disc-shaped pubescence.

 

Grows on rocky slopes in the highlands. Regions of Siberia, Yakutia. Outside Siberia - Scandinavia, North-East. Asia, North. America.

 

USDA Hardiness Zone (°F): 2 (-50 to -40 °F)