Oregon Grape

Oregon Grape Care

Mahonia Aquifolium

What is the plant

Mahonia aquifolium, Oregon grape or holly-leaved berberry, is a species of flowering plant in the family Berberidaceae, native to western North America. It is an evergreen shrub growing 1 m (3 ft) to 3 m (10 ft) tall by 1.5 m (5 ft) wide, with pinnate leaves consisting of spiny leaflets, and dense clusters of yellow flowers in early spring, followed by dark bluish-black berries.

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Humidity

Dry

Lighting

Full Sun

Hardiness zone

6 - 9

Difficulty

Easy

Hibernation

Cold Period

How to Care for the Plant

Water
Water the soil around your Oregon grape weekly, to keep the soil moist.
Pruning
The Oregon grape does tend to form suckers, so pruning can be used to control these to some extent. It is quite tolerant of pruning and can even be cut all the way down to the ground if you want to give it a fresh start, but usually, it is not in need of much trimming.
Fertilizer
A multi-purpose 10-10-10 fertilizer offers just the right nutrients for your Oregon grape.

Disease diagnosis

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Sunlight
While Oregon grape will grow in most any light, it thrives best in partial shade.
Soil
The soil needs to be moist with good drainage for optimal growth. It needs to be acidic or at least neutral, as alkaline soils can be problematic.
Temperature
This shrub is best suited for USDA Zones 5-8. It is native to western North America. Partial shade is ideal for this species. It can also be grown in full shade or full sun, though too much light can cause foliage scorching.