This deciduous shrub has a rounded bushy habit with glossy dark green narrow-oblong leaves that turn red during autumn. The small cup-shaped greenish flowers appear in clusters during late spring and are followed by black fruit.

Hardiness zones 9 to 11 

Rhamnus frangula is naturally found from Europe to North Africa, Russia and Turkey growing in moderately fertile, moist but well drained soils. It prefers an open sunny position but tolerates partial shade and is drought tender but salt spray and frost tolerant.

Alder Buckthorn is a hardy shrub that is grown for its habit and autumn colour and is planted in parks and gardens as specimen or in shrub borders. It establishes in 3 to 5 years and is suitable for coastal plantings, tolerating salt laden winds. It is also grown for colour contrast in autumn woodland settings. ID 1702

Note:
The bark is used commercially as a laxative or as a tea. 

Rhamnus (RAM-nus) frangula (FRANG-gew-la)

Rhamnaceae (ram-NAY-see-ee)
Rhamnales