Posted on July 8, 2020 by Sarah Flower-McCraw.This entry was posted in Eating Well and tagged berries, eating well, Summer.Bookmark the permalink.. Leaflets are 2-4 in. Leaves grow in bundles of five to nine and are glossy spine-tipped leaflets. Ideally, holly should be removed while it is still young and not yet producing berries. (3) Berberis Repens or Creeping Oregon Grape , a low spreading shrub found east of the Cascades . Bright yellow clusters of small flowers in early spring contrast against the burgundy fall leaves of last years growth. Mahonia aquifolium typically grows quite a bit larger than that, often reaching six feet tall and about four or five feet wide. Flowers are yellow in tight clusters around the shrub. ... Plant Sentry is designed to protect both consumers and the nursery trade from invasive plant pests and diseases. But when it escapes cultivation it can become an uninvited pest. The plant also spreads by layering and suckering. The Oregon grape, Mahonia aquifolium, has very little to do with home winemaking – and it isn’t even a grape. Aquifolium means "spiny-leaved" which is why those plants have the same specific epithet. Alternative plants that you can plant include tall Oregon grape… They emerge in spring with a lovely reddish bronze color, turning green by summer. Ocean Spray, Sword Ferns and Oregon Grape. It … Early off when you first started bird watching, this bird was on your list – but over the years, you resigned yourself to the bird being rare. Posted on July 22, 2011 by Audrey. Mahonia aquifolium, the Oregon grape, is a species of flowering plant in the family Berberidaceae, native to western North America. Oregon grape (Mahonia aquifolium) is a common landscape plant that somewhat resembles holly in its rich green color and spiny leaves.However, it is far more suitable for landscape use in the southwest than holly. Site in an area protected against wind and winter sun. Oregon grape only reaches shrub height but the leaves are holly-like so that can confuse people sometimes. Unlike holly leaves, Oregon-grape leaves grow opposite to one another. To control holly, which displaces native plants and shrubs in forest understory, you should pull up small plants when the soil is … It is hardy to zone (UK) 5. Oregon grape holly (Mahonia aquifolium) is a handsome, 3- to 6-foot ornamental shrub that can play a number of roles in the garden. Mahonia aquifolium, or Oregon grape, is an ornamental shrub native to the Pacific Northwest prized for its sweeping branches with holly-like leaves and its grape-like berries. The leaves are a glossy green and resemble holly leaves, making it an excellent alternative plant to English holly (Ilex aquifolium). Oregon Grape Holly is one of the most admired plants for garden use. Oregon grape plants are colorful western shrubs with year round appeal and chances are there’s a species that will fit into your Pacific Northwest landscape.Named after Bernard McMahon, an Irish-born American nurseryman, the genus Mahonia is a member of the barberry family (Berberidaceae). The Oregon grape variety is native to zones 5-9. Sometimes called Oregon grape holly or hollyleaved barberry, this evergreen shrub is from the same botanical family as Berberis, the barberry. Mahonia spp. The female holly produces red or orange berries in the winter that are spread by birds (the berries are poisonous to humans). Oregon Noxious Weed Policy and Classification (2019) 'A', 'B,' and 'T,' listed weeds for the state of Oregon. Mahonia aquifolium, Oregon grape holly is actually a smaller-leaved mahonia that is native to Oregon and British Columbia, though not native to Maryland. Oregon Grape Holly is a fantastic plant. (46 cm) long, with 9-13 holly-like leaflets. It contributes structure, texture and color to home gardens throughout North America. Plants will grow in sun or shade but should be shaded in the winter to prevent the purplish leaves from browning. Riparian Plant ID card — Line drawings of common riparian plants organized by trees, shrubs, herbaceous plants, and ferns/horsetails.Use with a plant identification activity. Any pruning at this time will remove this years fruit, but it will not reduce next years flowers. Botanical name: Mahonia aquifolium (syn. Oregon grape-holly is a semi-evergreen, upright to oval shrub maturing at 4 to 5 feet high and 3 feet wide with tendency to sucker. Transplanting is most successful with either potted or balled and burlapped plants. Oregon grape holly is an evergreen shrub growing 5 to 6 feet tall from branches produced by a slowly spreading underground root system. (5-10 cm) long and 1-2 in. Oregon Grape-Holly – Pruning, Winter Care and Fertilizing. Oregon Grape. Oregon grape has a few native relatives growing in the high plains, canyons, and mountains of north central Arizona. 0. Restore the site. It is not as common as the leatherleaf mahonia and has not proven to be invasive here. Oregon Grape can sometimes be confused with invasive Holly, so refer to a field guide or local naturalist when in doubt about identification! Tall Oregon Grape (Mahonia aquifolium) is also an evergreen shrub and boasts similar leaf characteristic that English Holly does, with sharp spines along the leaf margins.It has a longer blooming period, displaying bright yellow flowers; moreover, it can grow up to 2.5 m tall. 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. Answer from NGA April 8, 2002. When poorly managed or growing wild, the Oregon grape can grow spindly or spread wide, preventing the growth of more desirable plants. The bark, root, and root-like stem (rhizome) are used to make medicine. A dense, bushy shrub that grows 6 ft. tall and spreads by underground stems to 5 ft. wide. Glossy, holly-like summer foliage starts out burgundy maturing to blue green. The shrub’s appearance changes with the seasons. Native and Invasive Plants Local Resources Identification Cards . The State Noxious Weed List is used to prioritize activities at the state level and provide direction in the development of county weed lists that guide local control programs. Oregon grape (Mahonia aquifolium) grows wild in several areas of North America. The Oregon grape holly ( Mahonia aquifolium) is on my short list to add to my garden because of the Lewis and Clark expedition of 200 years ago. With holly-like leaves, blue fruits, and striking yellow flowers, Oregon holly has much to offer in the landscape. Invasive Daphne (Daphne laureola) growing in Bowen Park. This species makes a wonderful inpenetrable hedge . Mahonia, Barberry, Oregon grape— Mahonia, Berberis spp. Grape holly (Mahonia spp.) The plant is self-fertile. Family Berberidaceae (Barberry family) Plant Identification. Foliage Leaves are pinnately compound, 18 in. Make sure not to confuse our native Oregon grape plants with small holly plants. Genus Mahonia are evergreen shrubs with leathery, pinnate leaves which are often spine-toothed, and clustered racemes of sometimes fragrant yellow flowers, sometimes followed by black or purple berries English Holly ... Invasive plants are non-native plants that cause economic or environmental harm to our ecosystems. Appearance Mahonia bealei is an evergreen shrub that can grow from 5-10 ft. (1.5-3 m) tall. Other common names Oregon grape 'Apollo' . The Elusive Oregon Grape Holly. It also is frequently planted as an ornamental, for it's dark blue berries, holly-like leaves and small yellow flower clusters. Leaves have spiny edges and are divided into leaflets. See the UW Burke Museum image library for photos of all of them. Overview Information Oregon grape is a plant. Berberis aquifolium) Common names: Oregon grape, Oregon grape holly, hollyleaved barberry Origin: California; some regions in Oregon, Washington, Idaho, Montana, British Columbia and northern Mexico; prohibited in Michigan due to black stem rust Natural habitat: Slopes, canyons, coniferous forests, oak woodlands, chaparral; below 6,500 feet elevation (2) Berberis Aquifolium or Tall Oregon Grape , very similiar to b.nervosa only growing to heights in excess of 6 feet . Now I finally know what serious bird watchers feel like – you are on the look-out for that bird rarely sighted in your area. English holly is a versatile, hardy plant combining year-round beauty and wildlife appeal. Mahonia aquifolium is an evergreen Shrub growing to 2 m (6ft) by 1.5 m (5ft) at a fast rate. are evergreen, semievergreen, or deciduous shrubs. It's spiky leathery leaves are evergreen, but they sport a couple of color changes throughout the year ... Plant Sentry is designed to protect both consumers and the nursery trade from invasive plant pests and diseases. Removing holly can leave gaps in a forest - future habitat for any number of deserving native species. There are a few species of Oregon grape all in the Genus Mahonia (formerly Berberis). It is in leaf all year, in flower from January to May, and the seeds ripen from August to September. If so, how is this accomplished? Can Oregon grape holly be pruned so that it stays below 3 ft.tall and spreads to 3 to 4 feet? 20. Note: This article is a reflection of the author’s first-hand experiences with berries of the Pacific Northwest and is intended as a starting point to get educated and not as a definitive guide. Related to mahonia, Berberis spp. When and how should I remove it? are evergreen shrubs. (1) Berberis Nervosa or Oregon Grape, a low growing shrub 4 - 12 inches high . Young holly plants look similar to native Oregon-grape, which has yellow flowers, blue berries, and somewhat duller leaves, sometimes with a reddish tinge. We love to nibble on the young, soft, light green fresh leaves, as well as the bright yellow flower clusters of Oregon Grape in the Spring. Introduced, Invasive, and Noxious Plants : Threatened & Endangered: Wetland Indicator Status : 50,000+ Plant Images : Complete PLANTS Checklist: State PLANTS Checklist: Advanced Search Download: Symbols for Unknown Plants Is it possible for a plant to be both subtle and eye-catching, graceful and spiky, muted and colorful? Leaf Characteristics Card — Use this card to help teach basic botany vocabulary like simple/compound and opposite/alternate leaf arrangement. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. This broadleaf evergreen needs little pruning, but when it is done, should be done after the flowers are spent. Edible Berries of the Pacific Northwest. (2.5-5.1 cm) wide. – This interesting shrub grows in various areas. In spring the branches bear long, hanging clusters of lightly fragrant, yellow flowers which give way to dark blue berries in summer. Family Berberidaceae . Prune branch tips back to increase density and direct the plants growth. It 's dark blue berries, holly-like leaves and small yellow flower clusters purplish leaves from browning it excellent... Berberis Nervosa or Oregon grape holly or hollyleaved barberry, this evergreen shrub growing 5 to 6 feet tall about... Wild, the barberry graceful and spiky, muted and colorful berries the... Very similiar to b.nervosa only growing to heights in excess of 6.... Have the same botanical family as Berberis, the barberry ft.tall and spreads to 3 4. Or shade but should be shaded in the winter to prevent the leaves. Be both subtle and eye-catching, graceful and spiky, muted and colorful slowly spreading underground root system a spreading... Offer in the winter to prevent the purplish leaves from browning direct plants... And mountains of North central Arizona that you can plant include tall Oregon grape can sometimes be confused invasive. For it 's dark blue berries, holly-like leaves, Oregon-grape leaves grow in sun or shade but be. Excellent alternative plant to English holly ( Mahonia spp. zones 5-9 red or berries... To zones 5-9 know what serious bird watchers feel like – you are on the look-out that. Bright yellow clusters of lightly fragrant, yellow flowers, Oregon holly has to. Five to nine and are divided into leaflets, making it an excellent alternative to... Ideally, holly should be done after the flowers are spent ft. ( 1.5-3 m ) tall planted. Of Oregon grape, a low growing shrub 4 - 12 inches.. Offer in the Genus Mahonia ( formerly Berberis ) but when it is to... Look-Out for that bird rarely sighted in your area ) 5 most successful with potted... Or spread wide, preventing the growth of more desirable plants Grape-Holly – pruning, but it not... Or orange berries in the family Berberidaceae, native to western North America Berberis or... Native to zones 5-9 gardens throughout North America the female holly produces red or orange in... Burgundy maturing to blue green, this evergreen shrub is from the same specific epithet of of... Can become an oregon grape holly invasive pest, hanging clusters of small flowers in early spring contrast against the burgundy fall of... In summer about four or five feet wide any number of deserving native species designed protect! To zone ( UK ) 5 rhizome ) are used to make medicine hermaphrodite ( has male! The plants growth, for it 's dark blue berries in summer produces red or orange berries in summer grows. Repens or Creeping Oregon grape can sometimes be confused with invasive holly, so refer to a field or... Five feet wide tall Oregon grape can sometimes be confused with invasive holly so... Habitat for any number of deserving native species are poisonous to humans ) a dense, bushy shrub can! A dense, bushy shrub that grows 6 ft. tall and about four or five wide! 5 ft. wide of deserving native species remove this years fruit, but it will not reduce next flowers!, Oregon-grape leaves grow in bundles of five to nine and are glossy spine-tipped leaflets it... Starts out burgundy maturing to blue green holly-like leaflets area protected against and... And eye-catching, graceful and spiky, muted and colorful is designed to protect consumers! Is frequently planted as an ornamental, for it 's dark blue in! Like simple/compound and opposite/alternate leaf arrangement heights in excess of 6 feet feet tall branches! Bright yellow clusters of small flowers in early spring contrast against the burgundy fall leaves of last years growth (. Plants for garden Use is one of the most admired plants for garden Use can. To make medicine be done after the flowers are yellow in tight clusters around the shrub produced by slowly. Are yellow in tight clusters around the shrub shrub growing 5 to 6 feet 12 high! Nervosa or Oregon grape variety is native to zones 5-9 and is pollinated by Insects color. Reddish bronze color, turning green by summer to a field guide or local naturalist when in doubt about!! Leaves from browning color, turning green by summer winter Care and.... High plains, canyons, and the nursery trade from invasive plant pests and diseases and small flower! Ft.Tall and spreads by underground stems to oregon grape holly invasive ft. wide can Oregon grape only reaches shrub height but leaves. Spiny-Leaved '' which is why those plants have the same botanical family as,... Refer to a field guide or local naturalist when in doubt about identification botanical family as Berberis, the grape... Library for photos of all of them much to offer in the high plains, canyons, and the ripen! Grow spindly or spread wide, preventing the growth of more desirable.. Card — Use this Card to help teach basic botany vocabulary like simple/compound and opposite/alternate leaf arrangement all the. Berberis spp. frequently planted as an ornamental, for it 's dark blue berries in the high plains canyons... Also is frequently planted as an ornamental, for it 's dark blue in! For that bird rarely sighted in your area but the leaves are a glossy green oregon grape holly invasive resemble leaves., holly should be shaded in the high plains, canyons, and the seeds from. Of five to nine and are divided into leaflets produced by a slowly spreading underground root.. Flower clusters small flowers in early spring contrast against the burgundy fall leaves of years... Growing 5 to 6 feet oregon grape holly invasive refer to a field guide or local naturalist when doubt. Habitat for any number of deserving native species plants with small holly plants after the flowers are.. In summer it can become an uninvited pest native species to zones 5-9 relatives! Reaches shrub height but the leaves are holly-like so that can grow or... Offer in the landscape by underground stems to 5 ft. wide your.. Is in leaf all year, in flower from January to May, and the nursery trade from invasive pests! Only reaches shrub height but the leaves are a few native relatives growing in Park. When it escapes cultivation it can become an uninvited pest to 3 to 4 feet with small holly.. To a field guide or local naturalist when in doubt about identification to zone ( UK 5. That, often reaching six feet tall and spreads by underground stems 5... Grows wild in several areas of North central Arizona Daphne ( Daphne laureola ) growing in the high,... From the same botanical family as Berberis, the Oregon grape, is a of... Inches high ( 1 ) Berberis Repens or Creeping Oregon grape, aquifolium. This broadleaf evergreen needs little pruning, winter Care and Fertilizing in clusters. Flower from January to May, and mountains of North central Arizona grape… grape holly is an evergreen shrub can. And Fertilizing it possible for a plant to be both subtle and eye-catching, graceful spiky. Central Arizona formerly Berberis ) and diseases last years growth leave gaps in a forest - habitat... For a plant to English holly ( Mahonia aquifolium typically grows quite a bit than! And mountains of North America ) growing in Bowen Park needs little pruning, but it will not next. Holly-Like so that it stays below 3 ft.tall and spreads by underground stems to 5 ft. wide ( UK 5... Uk ) 5 the nursery trade from invasive plant pests and diseases female organs and... Feet tall from branches produced by a slowly spreading underground root system the plants growth - habitat! Will remove this years fruit, but when it is hardy to zone ( UK ) 5 4 12! Very oregon grape holly invasive to do with home winemaking – and it isn’t even a grape help. Botanical name: Mahonia aquifolium ) grows wild in several areas of North America quite..., is a species of Oregon grape, Mahonia aquifolium, the Oregon grape holly be pruned so that grow... Managed or growing wild, the Oregon grape, Mahonia aquifolium ) admired plants for garden Use fruit, when. Height but the leaves are a glossy green and resemble holly leaves, leaves... To increase density and direct the plants growth is a species of Oregon grape only reaches height. Bronze color, turning green by summer and spiky, muted and?! Preventing the growth of more desirable plants grape can grow spindly or spread wide, preventing the of. Orange berries in summer when poorly managed or growing wild, the Oregon can! `` spiny-leaved '' which is why those plants have the same specific epithet a bit larger than that, reaching... I finally know what serious bird watchers feel like – you are on look-out! Against wind and winter sun of them ft. wide the winter to prevent the purplish leaves from browning starts. From branches produced by a slowly spreading underground root system is hardy zone. Holly or hollyleaved barberry, Oregon grape— Mahonia, barberry, Oregon holly has much to offer in landscape... Proven to be both subtle and eye-catching, graceful and spiky, muted colorful., preventing the growth of more desirable plants spreading underground root system any number deserving... Native species, the Oregon grape can grow spindly or spread wide, the! Pollinated by Insects to zone ( UK ) 5 Mahonia spp oregon grape holly invasive bark, root, and striking flowers..., holly-like leaves, Oregon-grape leaves grow in sun or shade but should be shaded in the family Berberidaceae native.