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