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. Evergreen shrub, 6-12 ft (1.8-3.7 m), spreading, dense, arching, reddish stems. Habitat: Cotoneaster horizontalis has been reported to have invaded pasture in New Zealand (Webb et al 1988). Underwatering, while less of a problem, can lead to leaf-drop or plant weakness. It is invaluable in shade, although its crops of neat pink flowers and bright red berries are more prolific in full sun. There are some products made with essential plant oils and malic acid which may help. Only spray where necessary to kill off this webworm. Cotoneaster horizontalis Scientific name; Prostrate Cotoneaster Common name; Not Sensitive; Exotic; Minor Weed or Pest; 677m to 714m Recorded at altitude; Location information. Cotoneaster horizontalis is especially vulnerable to the Cotoneaster fire blight. A neem-based spray can keep them at bay. Cotoneaster horizontalis is a short shrub with a spreading habit, growing to 1 metre (3 ft 3 in) tall by 1.5 metres (4 ft 11 in) wide. ), single or in pairs in spring. The branches root along the ground as they grow. The tiny, rounded leaves are quite pretty. Cotoneaster horizontalis. Coastal conditions often provide enough air moisture that watering frequency is greatly reduced. But it does make it a bit difficult to remove fallen leaves under the branches in the late fall. It needs a slightly higher nitrogen content for its greenery and for spreading. Most pruning should be to prevent overflowing boundaries. It will tolerate a wide range of conditions from lightly acidic to lightly alkaline. If you can provide a small amount of water on a consistent basis, it’s better in the long-term for these plants. Regularly spraying down the foliage of your cotoneaster plants will reduce their numbers. Coastal climates and mild regions provide a perfect home. Sun to part shade. If your plant’s leaves begin to yellow and it’s spring or summer, consider when you last fertilized. prairie provinces C.apiculatus Rehd. I recommend providing a location which has morning sun and afternoon shade. In the spring months, pink-tinged flowers appear. Deciduous shrub, 2-5 ft (0.6-1.5 m) tall by 10 ft (3 m) or more wide, layered (like a spray of water), low spreading; fish-bone branching habit. Glossy and green through most of the year, they turn vibrant shades of red and orange in fall. It makes a beautiful hillside landscaping shrub or pathway border. Denuded branches maintain their stiff fan-shape. Table 1—Cotoneaster,cotoneaster: nomenclature and occurrence Scientific name & synonym(s) Common name(s) Occurrence C.acutifoliusTurcz. Culture. They’re not generally susceptible to many of the moisture-related diseases. Deciduous shrub, 2-5 ft (0.6-1.5 m) tall by 10 ft (3 m) or more wide, layered (like a spray of water), low spreading; fish-bone branching habit. This ensures that your plant has a little cooler conditions during the peak heat of the day. Although the Royal Horticultural Society lists this plant as a species, it is unclear as to whether the origin of the plant has been conclusively determined. It’s especially popular now in coastal gardens due to their milder temperatures. Select a healthy stem with plenty of young leaves, preferably one that’s vigorous. Summary of Invasiveness Top of page. I created Epic Gardening to help teach 10,000,000 people how to grow anything, no matter where they live in the world. Leaves small, about 10 mm long, lustrous dark green, may become dark red in fall. Each listing includes an image and key growing information below in a … cotoneaster horizontalis Family: Rosaceae | Common name: Rockspray cotoneaster This shrub is almost flawless with something to offer in every season. Thankfully, lace bugs are easy to treat. var. Verbena canadensis. A: In very limited conditions, yes… but those are pretty rare. Cotoneaster horizontalis - Plant Finder. Garden Uses. If the answer is “never”, it’s a good idea to fertilize with a balanced fertilizer. Epic Gardening occasionally links to goods or services offered by vendors to help you find the best products to care for plants. Oregon State Univ. A little more about me. These typically attach to the branches of your plant itself. The densely branched plant has glossy, dark green foliage, deep red … Cotoneaster /kəˈtoʊniːˈæstər/ 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. Sometimes the spots may be surrounded with a purplish halo. Cotoneaster horizontalis is a hardy, low growing almost prostrate shrub with sprays of branches that appear to be tiered. I prefer slow-release granular fertilizers for this plant, but you can use liquid options as well. Genus: Cotoneaster. Common Name of Cotoneaster. This is a tough and adaptable plant ... Noteworthy Characteristics. In early spring as it forms leaves, your plant will need a bit more nitrogen than the rest of the year. It is cultivated for its flat, symmetrical sprays of glossy green, deciduous leaves 6 to 12 mm long and masses of bright red berries in autumn, persisting into winter.The flowers appear in summer, and can range from pink to white. But if possible, new plantings should be in soil which has a lot of decomposed plant matter to start with. Genus Common Names = Cotoneaster Number of Taxa in the Cotoneaster Genus = between 72 and 347 depending on classification method List of Cotoneaster Shrubs, Cotoneaster Genus - Some of the most commonly known species, taxa, organized by scientific Latin botanical name first and common names … The plant has a natural layering effect which is beautiful. Patrick Breen, to Nebraska & upper mid-West,S Canadian C.pekinensis Zab. This leaves a stippled, dotted surface and damages the leaves themselves. Be sure to cover some young leaf buds with hormone, as the roots will develop from the lower buds. It’s especially popular in cooler climates, preferring USDA zones 5-7. We’ll go over those specific problems now, and how to handle them should they arise! Neem oil will also handle these pests. Adding lacewings to your garden provides a natural predator for the lace bug. Fresh shoots can develop a crooked shape, like a shepherd’s crook. Skill Level: Beginner. Prostrate cotoneaster (Cotoneaster horizontalis) is regarded as an environmental weed in Victoria, and as a potential environmental weed in New South Wales, Tasmania and the ACT. Small pink flowers (5 mm diam. These appear as sunken areas on the stems or branches. The tiny, rounded leaves are quite pretty. And in the fall, the leaves turn brilliant shades of orange and red, just in time for your Halloween display. A 10-8-8 slow release is fine for spurring new growth. Plantae – Plants. Welcome to our types of shrubs database where we list many varieties of shrubs. Glossy and green through most of the year, they turn vibrant shades of red and orange in fall. Sometimes, a version of air layering can be used to encourage further spread. but the leaves of C. horizontalis are more orbicular and flat with rounded (not apiculate) tips and the branching is less strongly distichous (more ‘herring-bone’ pattern in C. perpusillus). In time, the underside of the spot will develop spores and the disease will spread. A sticky ooze can develop on the twigs and limbs. Species: horizontalis. Creeping cotoneaster is a dense, low-growing, spreading shrub used as a ground cover, in rock gardens, or cascading over stone walls. Cotoneaster horizontalis is an excellent choice! Humidity-wise, this plant is fine as long as there’s consistent airflow. But because of its nature, it looks best when left alone! There may be cracking around the canker’s surface, especially as it dries. Still it is beneficial to know the common name of all garden plants. Common name(s): Fishbone Cotoneaster, Prostrate Cotoneaster: Map showing the present distribution of this weed. Common name of Cotoneaster is the name which changes with change in the regions. This means that some California coastal areas might work. The foliage is somewhat rigid, and thus may not look ideal in all container types. Active cankers will have an amber or brown ooze in or around the canker. Incorrect use can cause serious harm to your plant. prostrata. CPN (Certified Plant Nerd)Patrick.Breen@oregonstate.edu, College of Agricultural Sciences - Department of Horticulture, USDA Hardiness Zone Maps of the United States, Oregon Master Gardener Training: Identifying Woody Plants. ... Common Name(s): Bearberry Cotoneaster; Phonetic Spelling koh-toh-nee-ASS-ter dah-MER-ee Description. The plant loses all greenery for the winter. Use a ground staple to secure a low-hanging branch to the soil at its midpoint. This one isn’t a good choice for a lawn replacement, as an example. This fungal-based leaf spot disease causes reddish spotting on the leaves. In its southern reaches, it is semi-evergreen to evergreen. It’s easier to remove the damaged portions or to get professional help. But if you’ve got a hillside that needs erosion control, or border space that needs something, this is absolutely perfect. Fruit small (5 mm), bright red, in late summer and fall. Hi, I'm Kevin. It isn’t anywhere near as low-lying as most of the popular ground cover plants. This same blight can cause cankers on the stems. campus: east side (south end) of Gilbert, next to a Colorado Blue Spruce. Informational table showing disease name, symptoms, pathogen/cause, and management of Cotoneaster diseases. Use sterilized, sharp pruning shears. The upper part of zone 7 might be able to maintain year-round foliage in sheltered conditions. Caused by Erwinia amylovora, this causes many problems. With this leaf spot, copper fungicides are again risky. As the flowers fade, the fruit begins to appear, and a myriad of small berries form. Prefers well-drained, loose, fertile soil with adequate moisture, but tolerates dry, poor soils, and wind. Removal of diseased branches is better, but be sure to also remove any fallen leaves. This ensures that every cut is sterile and you aren’t spreading disease. The tumbling display of this plant works well in cascading rock gardens, in long beds, and on hills. Moist, salty sea spray is fine! Lace bugs are another form of pest common in the western US. Hardiness: Hardy. As a border plant or hillside foliage, it does phenomenally well. Exposure: Full sun, Partial shade. As I said above, zones 5-7 are ideal in the US. This technique does not always work, so cuttings are more effective for propagation. Common species. It feeds on plant leaves and can cause major defoliation of branches. 1988). C. horizontalis resembles C. microphyllus in its sprawling growth and distichous branching system, deciduous habit, and more or less erect, pinkish flowers (Webb et al. Armored scale insects may develop from the late winter into the early spring. Valued for its tiny white … So prevalent that it’s named after the plant it feeds on, the cotoneaster webworm is a caterpillar. Rock cotoneaster is a low spreading shrub often used as a ground cover or left to spill over slopes and ledge walls. Cotoneaster horizontalis var. Like most plants that do well in coastal climates, this one tolerates slightly higher salt content. The California Poison Control Center considers them to be level 4 toxic plants. Peking cotoneaster North China;introduced from North Dakota C.acutifoliaTurcz. 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 . Let’s talk about rock cotoneaster and how to maintain and care for it! Low-maintenance, it’s definitely worth growing for its seasonal color! A slow-release formula applied in the early spring should be ample nutrition. Click on a scientific name below to expand it in the PLANTS Classification Report. It is completely deciduous in colder climates but only partially in more temperate ones. Unfortunately, there are a couple other problems which could arise with these plants. It grows with stiff and evenly-branched sprays of foliage. The spores of the disease can linger on leaf debris. Try to minimize the deicer’s spread to the soil as much as possible. Here is more about our approach. It is larger than most ground cover plants, growing two to three feet tall and up to eight feet wide. If a disease has affected your plant, remove at least 8-12″ past the blighted part of the stem to be sure you get it all. Good drainage is important. It grows with stiff and evenly-branched sprays of foliage. Treatment of this caterpillar should be done with a bacillus thurigiensis spray. But you’d miss out on that glorious fall color! Kingdom. Use a horticultural dormant oil or neem oil in the fall and winter to prevent them from attaching. A number of cotoneasters are important for landscape use. While you're here, why not follow us on Facebook and YouTube? Removal of dead or diseased wood is also an option. In the spring months, pink-tinge… These are rarely clustered, instead appearing in ones or twos evenly across branches. Are you looking for something just a bit different by way of ground cover? Scientific Name and Common Name. Home » Cotoneaster Horizontalis: Beautiful Berries & Foliage. Rank. Propagation is best done from softwood cuttings in the early summer. Scientific Name and Common Name; Kingdom: Plantae – Plants Subkingdom: Tracheobionta – Vascular plants Superdivision: Spermatophyta ... Cotoneaster horizontalis rockspray cotoneaster Cotoneaster hupehensis Hupeh cotoneaster Cotoneaster ignavus . This bacterial spray will eliminate most forms of caterpillar. Subkingdom. Watering too much or too little is the other big problem. Common Name(s): Rockspray; Rockspray Cotoneaster; Phonetic Spelling koh-toh-nee-ASS-ter hor-ih-ZON-tal-iss Description. A 10-10-10 is just fine if your plant’s already at your preferred size. They tend to be limited in scope and easy to fix! Safer Brand Horticultural & Dormant Spray Oil, Dr. Earth Ready-To-Use Disease Control Fungicide, Pachysandra Procumbens: Allegheny Spurge Ground Cover, Ipomoea Tricolor: Growing Great Grannyvines, Well-draining, loamy, can tolerate poor soils, Cotoneaster webworm & lace bugs worst pests, fire blight possible. Brilliant red berries decorate this deciduous shrub once it has stopped flowering. As an Amazon Associate, I earn from qualifying purchases. With slow-release fertilizers, apply once in early spring. Cotoneaster horizontalis is a woody, perennial, deciduous or semi-evergreen, procumbent shrub with horizontally spreading branches.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. It’s truly best as an in-ground planting option. Some forms of aphid, particularly the apple aphid, may attack your plant. Between cuts, set your shears in a mixture of 1 part bleach to 9 parts water for at least 10 seconds. Those locations would need to be frost-free zones. It tolerates full sun to partial shade, but doesn’t flower well in full shade conditions. This provides a visual effect of filling in the gaps between the branches. Many species of birds love them, though, and they are apparently able to handle their slight toxicity well. Common Name: Cotoneaster. These sprays develop a distinctive herringbone pattern which is quite appealing. Small, rounded dark green leaves give an almost lacy look to its branches. Cotoneaster species can be poisonous to humans and pets, both the foliage and the berries. Cotoneaster horizontalis. Tracheobionta – Vascular plants. This article contains incorrect information, This article is missing information that I need. One of the beauties of the cotoneaster plant is that it seldom, if ever, requires pruning. Spider mites may come to call, especially during drier times. But don’t go too heavy on it! Native to (or naturalized in) Oregon: No. If your goal is to maintain size and promote flowering/fruiting, opt for balance instead. wilsonii Havemeyer ex E.H. Wilson : Common Name(s): rockspray cotoneaster [English] rock cotoneaster [English] rock-spray [English] Taxonomic Status: Current Standing: accepted Data Quality Indicators: Record Credibility Rating: verified - standards met Hence, scientific name of Cotoneaster is used worldwide. Description. Cotoneaster horizontalis Decne. As a general rule, very little will be a problem for your cotoneasters. Below you can scroll through 99 different types of shrubs. We're always looking to improve our articles to help you become an even better gardener. Poor soil is tolerated by these plants, but only if it drains off excess moisture. Certain horticultural copper fungicides may be used in rare occasions. Different pH levels rarely have an effect on this plant. If you aim for a neutral range, it’s easiest to maintain. Problems. They are related to hawthorns (Crataegus), firethorns (Pyracantha), photinias (Photinia) and rowans (Sorbus). However, none of these formulations are available on the mass market. Best grown in moist, loamy, well-drained soils in full sun to part shade. It’s not as low-growing as most ground covers. Consider soaker or drip irrigation underneath the foliage for ease of watering. Cotoneaster. Sun to part shade. pH adaptable. Keep children and small animals away, and resist the temptation to sample the berries! Sometimes, this may mean cutting back to the main trunk of the plant. Erwinia amylovora can be a little hard to combat. Once established, rock cotoneaster can handle drought like a champ in partial shade. Similar taxa. Polygons. The stiff, semi-hardwood branches fan out overtop each other. Native to China, the tiny leaves and brilliant berries have made this a garden staple in many other areas. Botanical Name: Cotoneaster horizontalis: Common Names: Rock cotoneaster, rockspray cotoneaster, wall cotoneaster: Plant Type: Deciduous shrub: Mature Size: 2 to3 feet tall; 6- to 8-foot spread feet: Sun Exposure: Full sun: Soil Type: Well-drained; young plants need evenly moist soil: Soil pH: 6.75 to 7.5 (neutral to slightly alkaline) Bloom Time: Late spring: Flower Color It is somewhat resistant to sodium-based ice melt products and road deicers, too. They also leave sticky, black excrement on the leaf surfaces. Maintaining consistent, but not heavy soil moisture is best for these plants. Family Rosaceae . Full-sun plantings need a bit more moisture, as do younger plantings while they grow. Latin Name Common Name Habit Height Hardiness Growth Soil Shade Moisture Edible Medicinal Other; Cotoneaster acuminatus: Acuminate cotoneaster: Shrub: 4.0: 4-8 LMH: SN: DM: 0: 0 : Cotoneaster bacillaris : Shrub: 5.0: 5-9 F: LMH: SN: DM: 0: 1 : Cotoneaster conspicuus Good Products For Cotoneaster Horizontalis: Cotoneaster is a deciduous, spreading shrub. The plant loses all greenery for the winter. It has small, oval dark green, slightly hairy leaves that turn bronzy purple in autumn. While there are some pests and diseases that will impact them, they’re limited in scope. Not to be confused with the beneficial lacewings, lace bug nymphs will suck moisture from the leaves. The name, Rockspray Cotoneaster, is also applied to, Corvallis: west of the stairs to the north (back) entrance of the Corvallis Library. A: Not for humans, dogs, or cats. While they do limited damage, they can spread disease easily. Denuded branches maintain their stiff fan-shape. Classification. As deciduous plants, they provide a lot of organic material when they drop leaves in the fall. Fertilizing is best done when the plant is beginning to develop new leaves in spring. Rockspray cotoneaster is a coarse, dense, slow-growing, shrub that reaches 2-3 feet tall and 6-8 feet wide. Blossom blight can cause the flowers to go necrotic. The worse the damage, the harder the plant finds it to properly make chlorophyll. This plant can struggle in hotter climates, and isn’t the best choice for zones 8 and above. Liquid formulations can be applied once per season, but diluted to lower levels to avoid over-fertilization. Overwatering can create conditions which lead to fungal root rots. Isaacs Ridge Isaacs Ridge and Nearby It would hold just enough moisture to sustain the plant, but water wouldn’t pool around the roots. Consistent soil moisture is better than wildly-fluctuating conditions. These sprays develop a distinctive herringbone pattern which is quite appealing. Maybe something taller than wooly thyme or mazus reptans, but with a similar pop of color? In a perfect world, your cotoneaster plants would have loamy, well-draining soil. Cotoneaster hessei, sometimes commonly called Hesse cotoneaster, is a low-growing, deciduous, shrubby ground cover that rises to 18” tall but spreads over time to as much as 5’ wide. Insecticidal soaps and neem oil both work well to eliminate these pests. It can be grown as a container plant as well, although it prefers long planters to narrow pots. Over or under fertilizing can create chlorosis, or yellowed leaves. Cotoneaster insignis . wilsonii Havemeyer ex E.H. Wilson. Cotoneaster horizontalis Decne. Entomosporium leaf spot is another common rosaceae family problem. It’s an effective erosion controller, too. Over time, they can actually improve their own soil a bit just by dropping leaves. Hardy to USDA Zone 5     Native to Western China. Most cotoneaster issues develop from pests or diseases. This species appears to have the potential to become an invasive weed in sub-alpine and alpine vegetation, particularly on rocky slopes, in south-eastern Australia. Cotoneaster is a deciduous, spreading shrub. Some of these may be affiliate links, meaning we earn a small commission if items are purchased. see more; Synonyms Cotoneaster acuminata var. Remove lower leaves, and dip in water and a powdered rooting hormone. These begin as yellowish fruit, but will turn a brilliant scarlet color. Explore Cotoneaster Information in detail along with its common name and scientific name. With sterile tools, and sterilizing between cuts, removing infected branches is essential. Be sure that some leaf bud points are just under the soil’s surface. 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. But if you’ve got a large area to fill, rock cotoneaster may be a good choice.