Oregon Grape Holly Mahonia Aquifolium

The shrub s appearance changes with the seasons. Oregon grape is most notably found in western north america.

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Oregon grape holly mahonia aquifolium

What is oregon grape. Mahonia aquifolium the oregon grape is a species of flowering plant in the family berberidaceae native to western north america. It s primarily found in the rocky mountains from british columbia to california.

Oregon grape holly mahonia aquifolium is a handsome 3 to 6 foot ornamental shrub that can play a number of roles in the garden. Author of the american gardener s calendar 1806 and subsequent years. The genus mahonia has now been included in the genus berberis hence the accepted name for oregon grape is berberis aquifolium.

It is the tallest of the native species sometimes reaching up to ten feet though more often in garden settings staying four to five feet tall. In spring racemes of cheerful bright golden yellow flowers appear just above the leaves. Adding color and splendor to the shade garden mahonia aquifolium oregon grape holly is a striking evergreen shrub with multi season interest.

In spring the branches bear long hanging clusters of lightly fragrant yellow flowers which give way to dark blue berries in summer. After bernard mcmahon 1775 1816 an irish born nurserman of philadelphia. Oregon grape also known as mahonia aquifolium is a flowering plant which derives from the family of berberidaceae barberry.

It is an evergreen shrub growing to 1 m 3 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. Compact oregon grape holly growing and maintenance tips mahonia grow best in partial to full shade and in a moist slightly acidic soil. Mahonia aquifolium tall oregon grape this woodland beauty is oregon s state flower.

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