About the Siberian Peashrub :
The Siberian Peashrub, 'Caragana arborescens', is large rounded shrub that is well adapted to exposed, cold, dry and other difficult sites. It has showy yellow pea like flowers that appear in late May.The bark of the trunk and stems retain a greenish color for several years. The small leaflets are medium green in color. Often used as a windbreak or tall informal hedge.
The Peashrubs are cold and drought tolerant. When planting for hedge, place plants about 4-5feet apart. Siberian Peasshrubs are deciduous and have low water requirements, and a moderate salt & alkali tolerance.