This week, Elizabeth Kimber (Ecologist), focuses her invasive non-native species article on cotoneaster…. Cotoneasteris a very diverse genus but some of the commonest of these invasive species have small leaves e.g. Climate warming linked to tree leaf unfolding and... Love in the time of lockdown – no apparent boom... New research highlights impacts of weedkiller on... Basking sharks travel in extended families with their... First beaver dam appears on Exmoor after 400 years. Cotoneaster is the genus of woody plants in the Rose family, Rosaceae.Cotoneaster is a non-native of the UK however it is a very popular garden shrub and many species have now escaped from cultivation and become invasive weeds. Genus Cotoneaster can be deciduous or evergreen shrubs or small trees, with simple, entire leaves and clusters of small white or pink flowers in spring and summer, followed by showy red, purple or black berries . All cotoneaster species are without thorns and have shiny leaves. Once cotoneaster is established, it can dominate areas – outcompeting native flora and creating dense thickets. 2005. Invasive Species in Garry Oak and Associated Ecosystems in British Columbia. Copyright © Inside Ecology Ltd 2020 - All rights reserved. California Invasive Plant Council. Himalayan cotoneaster (C. simonsii). Himalayan cotoneaster is an erect deciduous shrub, with leaves of 1.5-2.5 cm long. Family Rosaceae . Click to see full answer Hereof, why is cotoneaster banned? The answer is no! Cotoneaster Horizontalis may become invasive. Fire blight-resistant plants include Cotoneaster anoenus, C. adpressus, C. canadensis, C. dammeri var. But if you find an evergreen shrub with small green leaves can you be sure it is Cotoneaster? It is native to parts of China, and has been introduced widely to Europe, North America, Australasia and other parts of the world as an attractive garden plant with bright red berries which often persist into winter. As part of the role she manages the ecological works for a multi-phase development. She can be contacted via email: liz (at) ecological-services.co.uk. Also known as milkflower cotoneaster or Parney's cotoneaster, Cotoneaster lacteus is a dense, invasive, 12-foot shrub hardy in USDA zones 7 through 10. Birds, No reported toxicity to Cotoneaster horizontalis (Cotoneaster) Cotoneaster is a semi-evergreen multi-stemmed shrub with a maximum of 1 m height and 1.5 m spread. You will need to remove one or two unwanted seedlings every year. Therefore, it is important to control and eradicate Cotoneaster as soon as it is identified, this can be completed via physical removal or herbicide treatment. Invasiveness More on invasiveness: Cotoneaster horizontalis thrives in man-made habitats like walls, railway embankments or sand quarries. Cotoneaster is derived from an old Latin name meaning 'resembling quince'. This non-native invasive shrub comes in endless varieties and is spread by birds. Fall color is purplish. People, No reported toxicity to There are over 100 species of cotoneaster cultivated in the UK; however there are a much smaller number which are considered to be invasive to the UK and Ireland. This characteristic helps cotoneaster form dense colonies with an ability to choke out weeds. Accessed: January 8, 2016. Fall leaf color is reddish-bronze to purple. Green shrubs and small trees, some deciduous and some evergreen. In or out of leaf, this pattern is unmistakable. Deciduous. The Plants Database includes the following 66 species of Cotoneaster . The flowers are small – white or pink in the spring, followed by clusters of red/orange berries in the autumn. Birds, Does not attract Control Measures Introduced, Invasive, and Noxious Plants : Threatened & Endangered: Wetland Indicator Status : 50,000+ Plant Images ... Cotoneaster horizontalis Decne. Control of cotoneaster species includes mechanical and chemical measures. Cotoneaster horizontalis has been recorded in a very wide range of habitats, ranging from highly artificial (coal mining heaps, railway sidings, abandoned gravel pits and industrial areas, old walls, cemeteries, etc.) RHS list of invasive plants covered by legislation in the UK –. Horses, Toxic to ... Cotoneaster horizontalis rockspray cotoneaster Cotoneaster hupehensis Hupeh cotoneaster Cotoneaster ignavus . Other invasive shrubs include Rhododendron ponticum, cherry laurel and snowberry. It bears flat flowerheads in summer, followed by large red berries. Please visit our advertise page for more information and info on how to obtain our rate card. Identification features of cotoneaster include: Impact rock cotoneaster cotoneaster horizontalis. This doesn’t prevent it from being sold in garden centres and nurseries, but we would encourage you to grow it responsibly, careful disposing of prunings within your garden rather than putting them in your green bin, and choosing alternatives where possible. While it makes excellent garden plants, Cotoneaster horizontalis is listed as an invasive, non-native species on Schedule 9 of the Wildlife and Countryside Act in England and Wales. ... Wall cotoneaster (C. horizontalis) Small-leaved cotoneasters (C. microphyllus agg.) Cotoneaster franchetii Photo courtesy Joseph DiTomaso. The densely branched plant has glossy, dark … Wall Cotoneaster is the most widespread of the species in the UK and has distinctive flattened branches which spread horizontally in a ‘herringbone’ shape. Mechanical methods of control comprise pulling young seedlings and excavating the root mass. Cotoneaster. Contact Us Accessed: January 8, 2016. abinvasives.ca info@abinvasives.ca Cotoneaster (Continued) Small-leaved cotoneaster is evergreen with very small leaves at 0.5-0.8cm long. Rock cotoneaster is a low spreading shrub often used as a ground cover or left to spill over slopes and ledge walls. Valuable food source for … Deciduous or evergreen cotoneasters (Cotoneaster spp.) While it makes excellent garden plants, Cotoneaster horizontalis is listed as an invasive, non-native species on Schedule 9 of the Wildlife and Countryside Act in England and Wales. Company number: 08260167. Cotoneaster horizontalis is on the list, therefore it's an offence to plant or otherwise cause to grow these species in the wild. About the Author: Elizabeth Kimber works for an ecological consultancy based in Dorset (Lindsay Carrington Ecological Services Ltd). Subscribe to BBC Gardeners' World Magazine and receive 3 issues for only £5. Common names: orange cotoneaster; cotoneaster; Francheti cotoneaster Cordyline australis (orange cotoneaster) is an evergreen shrub (family Rosaceae) found in the northwest and central west regions of California. Cotoneaster horizontalis Rock Cotoneaster. Leaves are 3 in (8 cm), ovate, shiny dark green above, densely hairy beneath, deeply pinnately veined. Many of these specie… 3 Cotoneaster spp. The fruits are poisonous to humans. There are over 100 species of cotoneaster cultivated in the UK; however there are a much smaller number which are considered to be invasive to the UK and Ireland. The Royal Horticultural Society has assigned it … Horizontalis varieties are found in Western China and are commonly referred to as Rockspray or Wall Cotoneaster. Such plants typically feature stems that arch, cascade, and even grow horizontally. Click below on a thumbnail map or name for species profiles. The plants out-compete native vegetation and can be difficult to eradicate. Registered office: Stanley House, 49 Dartford Road, Sevenoaks, Kent TN13 3TE. From the team at Gardeners' World Magazine. grow as dense groundcovers and as shrubs that grow up to 25 feet in height. The branches are studded with small, glossy leaves that warm up to orange and red in fall. Find specific plants with our Plant Finder & Plant Selector. When these stems touch the ground, they often root. Cotoneaster is an invasive plant which out competes native plants but can also be further spread by animals eating the berries it produces. see more; Synonyms Cotoneaster acuminata var. Livestock. The seeds are spread by birds, therefore, the plants can easily spread to a wide area. Non-native invasive plants. Himalayan cotoneaster is an erect deciduous shrub which grows to 3-4 metres in height, the leaves of this species are 1.5-2.5 cm long White spring flowers are followed by red fruits that persist into winter. Legislation which attempts to control the spread of specific cotoneaster species includes Schedule 9 of the Wildlife and Countryside Act, which makes it illegal to distribute or allow the spread of cotoneaster species into the wild. Cotoneasters are used ornamentally in shrub borders or as hedges and come in a range of forms and varieties, from deciduous to evergreen and from large shrubs to dwarf plants. Identification & Ecology 2 Cotoneaster species. Cotoneaster / k ə ˈ t oʊ n iː ˈ æ s t ər / is a genus of flowering plants in the rose family, Rosaceae, native to the Palaearctic region (temperate Asia, Europe, north Africa), with a strong concentration of diversity in the genus in the mountains of southwestern China and the Himalayas. Cotoneaster lacteus is profusely branched with leaves from the ground up. The small, glossy green leaves turn brilliant scarlet in autumn. Less common upright types of cotoneaster feature all the same characteristics but can be trained as hedges. www.goert.ca. Cats, Toxic to This plant has no children Legal Status. The flowers are a magnet for bees and the berries are eaten by birds. They are especially problematical in limestone cliffs, pavements and screes. When plants spread into the wild, they are particularly problematic on limestone cliffs, pavements and screes, through outcompeting rare native plant species.  They can also form an extensive root system which is difficult to remove. Beneficial insects, Attractive to Online Magazine for Ecologists, Conservationists and Wildlife Professionals, Lindsay Carrington Ecological Services Ltd. Chemical methods of control include spraying plants with herbicide and treating stumps of larger plants to prevent regrowth. Invasive Plants of California’s Wildland. But the best thing about it is that it’s not invasive. It has naturalised in parts of the United Kingdom, and may be becoming invasive. Cotoneaster horizontalisis nativeto western China. Fruits: orange-red berries. Many of the species of cotoneaster available in garden centres are highly invasive - some so much so that it is now illegal to plant them in the countryside or to allow them to 'escape' from your garden! Other pollinators, Toxic to Bees, Does not attract www.cal-ipc.org. Cotoneaster horizontalis has excellent late colour, but is also popular for the characteristic herringbone pattern of its stems, which develop into a decorative basketwork across the ground or on a wall, according to how it is trained. have erect petals that are strongly tinged pink. Any material from the cotoneaster/containing cotoneaster waste must be chipped/burnt on site, or removed to licensed landfill as controlled waste. You can change your mind at any time by clicking the unsubscribe link in the footer of the Newsletter. Many species of cotoneaster are highly invasive and some are now listed on Schedule 9 of the Wildlife and Countryside Act in England and Wales. Cotoneaster horizontalis or rockspray cotoneaster, is perhaps the handsomest and most architectural of the cotoneasters. It has been recorded from Counties Down and Antrim in Ireland. Inside Ecology Ltd will use the information you provide on the sign-up form below to send you our occasional Newsletter. What's the problem? Leaves are hairless on the upper surface and slightly hairy on the underneath of the leaf. Cotoneaster species are native to Eastern Asia and were first introduced to the UK in 1824 as ornamental plants. Out of leaf very briey. This species produces overlapping, flat, fan-like branching pattern that is distinctly reminiscent of herringbones. Cotoneaster is a genus of woody shrubs native to Asia, Europe and North Africa. (well I guess you saw that coming!) It has nectar/pollen rich flowers, provides shelter and habitat, has seeds for birds and makes a good wildlife hedge. Zones US, MS; USDA 6-7. The branches are slender and drooping.  The magazine provides a dynamic platform for people to exchange ideas, promote discussion and supply information to those with a ‘professional’ interest in the natural world. Leaves are small, round, bright green; turn orange and red before falling. The leaves are very tiny simple dark green. Butterflies​/​Moths, Attractive to Dogs, Toxic to Cotoneaster pannosa are white, with fully opened petals; those of C. franchetii . Cotoneaster horizontalis is known for attracting bees, birds and other pollinators. Schedule 9 of the Wildlife and Countryside Act. Bearberry cotoneaster is an easy to grow evergreen to semi-evergreen low growing spreading shrub that can reach 1-2 feet tall and 6 feet wide. Low-growing, spreading varieties of cotoneaster work well as woody groundcovers. Attractive to to natural ones (mainly calcareous grassland and scrub in coastal dunes). She conducts protected species surveys and holds a class 1 bat licence, smooth snake and sand lizard licence. Cotoneaster horizontalis is a woody, perennial, deciduous or semi-evergreen, procumbent shrub with horizontally spreading branches. There are numerous advertising and sponsorship opportunities available on Inside Ecology. Can be 23 feet tall, 15 feet wide, with stiff horizontal branches, many branchlets set in herringbone pattern. Please read our Privacy Policy. MORE, Contact us – Email info (at) insideecology.com. Legislation , ovate, shiny dark green above, densely hairy beneath, deeply pinnately veined leaf, pattern... Distinctive flattened branches which spread horizontally in a ‘herringbone’ shape Database includes the following 66 of... Underneath of the role she manages the ecological works for an ecological consultancy based in Dorset ( Lindsay Carrington Services... 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Distinctly reminiscent of herringbones, birds and makes a good Wildlife hedge our plant &!, usually forming an enormous bushy shrub office: Stanley House, 49 Dartford Road, Sevenoaks, Kent 3TE. Pattern is unmistakable late spring small but showy cause to grow evergreen to semi-evergreen low growing shrub! It bears flat flowerheads in summer, followed by large red berries are eaten by birds red berries which horizontally!