Berberis gagnepainii 'Klugowski'

Small shrub, 1-2 m tall; 1-2 m wide; broadly round with dense twigs; initially upright, later overhanging; slow-growing.

Yellow, May to June.

Elongated, ovoid berries, blue-black, unpalatable.

Lanceolate, up to 5 cm long, dark green, shiny, clearly bluish white underneath; thorny on the margins.

Fine, shallow root system.

Partially sunny, better shady to slightly shady; warm to cool, usually frost hardy; resistant to urban and industrial pollution.

Slightly dry to fresh; slightly acidic to very alkaline, all well drained substrates.

Zone 6b