Mahonia aquifolium aka Oregon Grape

Mahonia aquifolium, also known as Oregon grape or holly-leaved barberry, is an evergreen shrub that belongs to the family Berberidaceae and is native to western North America. It can grow up to 3 meters tall and 1.5 meters wide, with pinnate leaves consisting of spiny leaflets, and it produces dense clusters of yellow flowers in early spring, followed by dark bluish-black berries. Some aboriginal peoples of the Pacific Northwest include the berries in their diet, and the species is recognized as the state flower of Oregon. Oregon grape is also a rare houseplant that is not challenging to grow and needs regular watering and abundant sunlight, preferably less than 3 feet from a window. The plant prefers well-draining soil and doesn't typically need added fertilizers if you repot it each time it doubles in size. Oregon grape belongs to the Mahonia genus and is native to Southwest Canada to Northern California.