FabulousFusionFood's Wild Food Guide for Oregon Grape Home Page

Oregon grape (Mahonia aquifolium) showing a mature plant, flowers, and a cluster of ripe fruit Oregon grape, Mahonia spp is a genus of 70 species of
shrubs or, rarely, small trees with evergreen leaves in the
family Berberidaceae, native to eastern Asia, the Himalaya, North
America, and Central America. The most common species planted in
the UK are Mahonia aquifolum with elongated berries and
the hybrid Mahonia x media that typically have rounder
fruit..
Common Name: Oregon Grape
Scientific Name: Mahonia aquifolium or Mahonia x media
Other Names: Oregon grape, Oregon grape holly, holly-leaved barberry, mountain grape, Rocky Mountain grape, Tall Oregon grape (synonyms: Berberis aquifolium, Berberis fascicularis, Odostemon aquifolium)
Family: Berberidaceae
Range: Origin: Western N. America. Naturalized in Britain.
Physical Characteristics
Mahonia aquifolium is an Perennial evergreen shrub, growing to 2m by 1.5m at a fast rate.. It is in leaf all year, in flower from January to May, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile. It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers dry or moist soil. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils.
Edible Parts: Flowers, Fruit
Edibility Rating: 4 
Known Hazards:  Barberry, goldenseal, oregon grape and other plants containing Berberine should be avoided during pregnancy and breastfeeding. Avoid if over active thyroid gland. High doses cause vomiting, lowered blood pressure, reduced heart rate, lethargy, nose bleed, skin & eye irritation and kidney infection. Liquorice as Glycyrrhiza species nullify berberine effects. Barberine is bitter, avoid fruit with a pronounced bitter flavour.
Welcome to the summary page for FabulousFusionFood's Wild Food guide to Oregon Grape along with all the Oregon Grape containing recipes presented on this site, with 6 recipes in total.

This is a continuation of an entire series of pages that will, I hope, allow my visitors to better navigate this site. As well as displaying recipes by name, country and region of origin I am now planning a whole series of pages where recipes can be located by meal type and main ingredient. This page gives a listing of all the Cornish recipes added to this site.

These recipes, all contain Oregon Grape as a major wild food ingredient.

Both are colloquially known as 'Oregon grape holly'. They are vigorous, low, spreading, evergreen shrub with glossy green, slightly prickly leaves becoming purplish in winter. Large clusters of yellow flowers appear in early spring, followed by black berries ripening in May. The berries are a part of the traditional diet of some indigenous peoples of the Pacific Northwest and the species serves as the state flower of Oregon.

Mahonia aquifolium grows to 1–3 metres tall by 1.5m wide. The stems and twigs have a thickened, corky appearance. The leaves are pinnate and up to 30cm long, comprising spiny leaflets. The leathery leaves resemble those of holly. The yellow flowers are borne in dense clusters 3–6 cm (1+1⁄4–2+1⁄4 in) long in late spring. Each of the six stamens terminates in two spreading branches. The six yellow petals are enclosed by six yellow sepals. At the base of the flower are three greenish-yellow bracts, less than half as long as the sepals. The spherical berries are up to 1cm wide, dark dusty-blue, and tart in taste

Berberis aquifolium is a popular subject in shady or woodland plantings. It is valued for its striking foliage and flowers, which often appear before those of other shrubs. It is resistant to summer drought, tolerates poor soils, and does not create excessive leaf litter. Its berries attract birds.

The small purplish-black fruit, which are quite tart and contain large seeds, are edible raw after the season's first frosts. They were included in small quantities in the traditional diets of Pacific Northwest tribes, mixed with salal or another sweeter fruit. Today, they are sometimes used to make jelly, alone or mixed with salal. Oregon-grape juice can be fermented to make wine, similar to European barberry wine folk traditions, although it requires an unusually high amount of sugar

Edibility: Fruit - raw or cooked. The fruit is almost as large as a blackcurrant and is produced in large bunches so it is easy to harvest[K]. It has an acid flavour, but it is rather nice raw and is especially good when added to a porridge or muesli. Unfortunately, there is relatively little flesh and a lot of seeds, though some plants have larger and juicier fruit. The cooked fruit tastes somewhat like blackcurrants. The fruit can also be dried and stored for later use[257]. Flowers - raw. They can also be used to make a lemonade-like drink.


References:

[1]. David Evans Notes from field observations, tastings and cookery experiments.
[2]. Huxley, A. The New RHS Dictionary of Gardening. 1992
[3]. Tanaka, T. Tanaka's Cyclopaedia of Edible Plants of the World.
[4]. Lim T.K. Edible Medicinal And Non-Medicinal Plants, Vols 1–8.
[5]. Thomas, G. S. Perennial Garden Plants
[6]. Milner, E. Trees of Britain and Ireland
[7]. Rose, F. & O'Reilly, C. The Wild Flower Key (Revised Edition) – How to identify wild plants, trees and shrubs in Britain and Ireland
[8]. Streeter, D. & Garrard, I. The Wild Flowers of the British Isles
[9]. Clapham, A.R.; Tutin, T.G. & Moore, D.M. Flora of the British Isles
[10]. Phillips, R. Mushrooms
[10]. Phillips, R. Mushrooms
[11]. Jordan, P. & Wheeler, S. The Complete Book of Mushrooms: An Illustrated Encyclopedia of Edible Mushrooms
[12]. Bunker, F.; Brodie, J.A.; Maggs, C.A. & Bunker, A. Seaweeds of Britain and Ireland.
[13]. Facciola, S. Cornucopia — A Source Book of Edible Plants


The alphabetical list of all Oregon Grape recipes on this site follows, (limited to 100 recipes per page). There are 6 recipes in total:

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Mahonia Cordial
     Origin: Britain
Mahonia Jelly
     Origin: Britain
Oregon Grape Juice
     Origin: America
Mahonia Flower and Mint Lemonade
     Origin: America
Oregon Grape and Lemon Curd
     Origin: America
Oregon Grape Sherbet
     Origin: America

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