North America, Betula nanasubsp. Family: Birch Family – Betulaceae; Growing form and height: Shrub or dwarf shrub. The top surfaces of the leaves are dark green in colour, while the undersides are a slightly lighter shade. Both species have almost circular leaves, are food sources for birds… The shrub component is primarily willow (Salix spp. Birch belongs to the genus Betula and is grouped under the Betulaceae family. Wings that are as wide as the nutlet encircle the nutlet. The soil has to be rich in organic matter. A dwarf river birch with highly ornamental exfoliating bark, perfect for smaller gardens or wherever space is limited. Male and female flowers in separate inflorescences. Like the others, this tree needs full sun with just a … This nifty little shrubby birch naturally grows as a compact mound of fine stems, each covered with little yellow leaves that give it a very appealing texture. The fungal species which have been recorded with it are Lactarius helvus, L. rufus, Leccinum holopus and an unidentified Russula sp. Dwarf birch is circumpolar in distribution – it occurs in Greenland and Iceland and in the northern latitudes of Europe, Asia and North America. Like other birches, dwarf birch is deciduous and the new leaves appear in spring, in April or early May, and turn a dull yellow colour before being shed in October. Birch tree Facts. Neat, tidy - and tiny! Main Birch Varieties in our Landscapes. As a result, this scarce species should begin to make a comeback in the near future to more of its former range. Dwarf birch is a shrub up to 9 feet (3 m) tall, which inhabits ravines and plateaus of the alpine regions of Vermont, Maine, and New Hampshire. Sku #40115. 10+ of the best varieties of small & dwarf Birch (Betula) trees for limited space. → Distribution map (Kasviatlas, University of Helsinki) Other species from the same genus. Water the tree only if the top 2 inches of soil feel completely dry. Hardy to -30°F Maximum Elevation: 6,000 ft. It has round to oval scalloped leaves and reddish bark with tiny white spots. Plant it in a small island bed in your front yard, i If you continue to use this site we will assume that you are happy with it. Surveys carried out by Trees for Life volunteers have found that it is quite widely but patchily distributed on the hills between Glen Affric and Glen Moriston. Situate where the highly textured bark character can be viewed, exhibiting colorful patterns of cinnamon-red and pale salmon on trunks and main branches. The principal difference between these two subspecies is that exilis has shorter leaf blades than ssp. Cesky Gold ® dwarf birch is an exceptionally cold-tolerant dwarf birch. Dwarf Birch. Dwarf birch used to be an important source for fuel in Lapland as it burns even when fresh. In cultivation, it can be trained as either a single trunk or multi-trunked tree. ), alder (Alnus spp. Its flowers are male and female catkins up to 3 centimetres long. Deciduous tree, 30-50+ ft (9-15+ m), pyramidal, upward branches, white "paper" bark on trunk and often on young branches. Anotehr view of a typical leaf. This plant is mainly cultivated because of its ornamental morphology and high-quality wood. Native Area: North America; USDA Growing Zones: 2 to 9 Height: 5 to 10 feet; Sun Exposure: Full sun; 02 of 11. Flower: Small, greenish to brownish, lacking perianth. Leaf blades 1–2 cm long, glandular, paler beneath. Habitat. This type only grows to be anywhere between six inches and three feet tall, making it perfect for the yard. Throughout the range of the species it occurs in arctic and alpine tundra, acidic rocky slopes and barrens, muskegs, peat bogs, stream banks, and open subalpine summits (Furlow 1997). Birch trees share some common characteristics: they are a medium-sized tree that reaches a height of from 40 to 50 feet, their leaves turn yellow in the fall season, and they can be purchased with a single st… In New York, Dwarf white birch is a depressed, small tree or shrub with 1 to several trunks that grows up to 6 or … X. In Scandinavia, Betula nana hybridises naturally with downy birch, Betula pubescens, to form B. pubescens ssp. Description. Typical leaf - upper surface. Like the others, this tree needs full sun with just a hint of shade for the best growth. ), and dwarf birch (B. Tuck colorful, hardy Cesky Gold dwarf birch (Betula x plettkei) into any little spot that could use some pizzazz. Detailed birch cov … In birch. The trunks are slender, rarely over 5–10 cm (2–4 in) diameter, with smooth, dark brown bark.The leaves are nearly circular to oval, 0.5–3 cm (1 ⁄ 4 – 1 1 ⁄ 8 in) long and 1–2.5 cm (3 ⁄ 8 –1 in) broad, with a toothed margin. Dwarf Birch, also known as Bog Birch for its common occurrence in wet areas, is a small deciduous shrub native to North America. Dwarf Birch is usually a very small low shrub. Dwarf Birch is most common in boggy areas and in the far north. All Rights Reserved. We use cookies to ensure that we give you the best experience on our website. When these two requirements are met the birch tree flourishes. A company limited by guarantee, registered in Scotland – company No. Low maintenance, this plant needs little pruning. There are around 60 different species of birch that grow in temperate climate around the world. It rarely gets above 7 feet tall and only if protected. As you cna see, it is not very "birch-like". These are medium-sized plants which grow 40-50 feet tall. In Alaska, it occurs along the coast and in interior It is humans, though, who have largest impact on dwarf birch in Scotland, through past deforestation and the continuing effects of overgrazing and the burning of heather moorland. Perfect as specimen plant or in borders, along ponds and streams, cottage gardens and foundation plantings. It is a common reclamation species. By: Melody Lee 21 September, 2017. New growth appears in sunset hues of yellow, red, and orange, and cheerful chartreuse foliage carries the plant through the entire season. in their first year, with 4-6 true leaves. This tree was discovered and introduced in the late 1970’s by Jim King of Oswego, IL and in 1991 promoted through the Chicagoland Grows program. Shiny, red … Growing with an oval rounded habit, mature trees develop black markings on … Weeping birch trees require at least six hours of full sunlight each day for the bark, leaves and flowers to achieve their full healthy color. The paper birch has white, paper-like bark; the river birch has peeling bark. If you want to benefit from this improved service, please opt-in.. American dwarf birch is a multi-stemmed shrub typically growing to 1–3 m (3.3–9.8 ft) tall, often forming dense thickets. It grows well in its natural habitat because the shallow root system has access to lots of moisture, and the crown of the tree receives lots of sunlight. Allow to grow naturally, where its attractive, fan-like habit can be enjoyed, or prune it into a shape, like a low hedge. With a growing interest in dwarf birch today, and a recognition of its important role within the montane shrub community (which has largely disappeared from the Highlands), measures are now being taken at some sites to counter these problems. In birch …North America, also called tundra dwarf birch or resin birch, and dwarf birch, or dwarf Arctic birch (B. nana), native to most far northern areas of the world, are small alpine and tundra shrubs commonly known as ground birch. It isn’t a low-maintenance tree, but it well worth the time you put into it. long, which are erect when young, but then droop as they mature. Easily grown average, medium to wet soils in full sun to part shade. This species is often used by local artisans to twist into shapes like willow and make decorative hearts, circles, etc. The tiny seeds, each weighing less than 0.2 milligrammes, ripen by September or October and have a small crescent-shaped wing on each side of them. Boreal forests consist of pines, spruces and larch trees. Heathlands or dwarf-shrub habitats face a major threat from the advancing birches if their (birch) saplings are not grazed in a timely manner. This type only grows to be anywhere between six inches and three feet tall, making it perfect for the yard. Keep reading to learn more river birch tree facts, such as river birch tree care and effectively using river birch trees in the landscape of your home. Compact, Betula nigra 'Little King' or Fox Valley River Birch, is a particularly handsome river birch prized for its attractive peeling bark. This study investigated decadal growth rates of dwarf birch ( Betula glandulosa ) across a low Arctic landscape in the continental interior of Canada. Outside the UK, dwarf birch commonly forms thickets and extensive stands. Other plants commonly found in this community include blaeberry (Vaccinium myrtillus),  cowberry (Vaccinium vitis-idaea), feather moss (Hylocomium splendens) and sphagnum moss (Sphagnum spp.). Winters in various kinds of semi-open country, including woodland edges and brushy or weedy fields. Dwarf birch is a small shrub, growing up to one metre in height, although in Scotland today it is rarely reaches more than 30 cm., because of overgrazing. By clicking "LOGIN", you are It likes moist soils and can live in marshes or bogs, making it a good shrub for problem areas. Habitat Habitat. Excellent pest and disease resistance, and heat tolerance. It can also be used as a focal point, in mass plantings, as a low hedge, in perennial gardens and mixed shrub borders. It has round to oval scalloped leaves and reddish bark with tiny white spots. Consider using soaker hoses and bark mulches to keep the root zones cool and moist. exilis, which is found in Siberia, Alaska, northern … A dwarf river birch with highly ornamental exfoliating bark, perfect for smaller gardens or wherever space is limited. Multi-stemmed, “shrubby” species such as dwarf white birch and bog birch, or multi-trunk cultivars of river birch, mountain, and Western paper birch make striking accents. Whenever you connect with nature, connect with us! Dwarf birch is restricted to the Highlands in Scotland, and it occurs from Perthshire northwards through the Cairngorms and the hills of Inverness- and Ross-shire to the Flow Country of Caithness and Sutherland. Its scientific name is Betula Papyrifera, and it belongs to the family of Betulaceae.Before we go on with knowing more about this tree, let’s have a look at the table given below which shows the scientific facts and classification of the paper birch. Also known as bog birch, swamp birch and dwarf birch, scrub birch is a shrub with resin-filled wart-like glands on its twigs and nearly circular, deciduous and leathery leaves. Betula nigra, commonly called river birch, is a vigorous, fast-growing, medium-sized, Missouri native deciduous tree which occurs on floodplains, swampy bottomlands and along streams throughout the State. In other parts of its range, a number of aphid species suck the sap of dwarf birch. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind. Description. nana, which grows in western coastal Greenland, Iceland, Scotland, Scandinavia, the Alps and across northern Asia to western Siberia; and Betula nana ssp. Twigs short-pubescent, densely glandular. Dwarf birch, like many tree species, is the focus of a conservation programme to restore populations, delimit management units and prioritize the protection of important genetic diversity (Koskela et al., 2013). Dwarf birch (Betula glandulosa) is a smaller shrub, less than 2 m tall. Excellent pest and disease resistance, and heat tolerance. It usually has several trunks with papery peeling bark that reveals salmon or rust-colored patches. Two distinct subspecies are recognised: Betula nana ssp. Germplasm collection from central Scottish Highland populations is already underway for reintroduction to other parts of the species former range (J Borrell pers. Accept Cookies . The natural habitat of a birch tree is along a riverbank. This page is preserved for informational use. Siskins (Carduelis spinus) feed on birch seed in winter, and will eat dwarf birch seed where it is available. It has round to oval scalloped leaves and reddish bark with tiny white spots. Dwarf birch is circumpolar in distribution – it occurs in Greenland and Iceland and in the northern latitudes of Europe, Asia and North America. Common names: Arctic dwarf birch. However, because of its limited distribution in Scotland, and the fact that until recently it has been little-studied here, not much is known about mycorrhizal fungi which are associated with dwarf birch. Ideal in minimal-care landscapes, where the compact, low-branching form works as an accent or in groups to create a natural hedge or screen. A northeastern North American endemic, dwarf white birch occurs from Newfoundland and Labrador west to the extreme eastern edge of Ontario south to the mountain summits of Maine, New Hampshire, and New York (Furlow 1997). Exists across a broad range of soil/site conditions in a variety of species associations, paper birch forms either pure stands or mixtures of varying proportions. Other insects which feed on dwarf birch, as well as other plants, include the larvae of a moorland moth (Argyrotaenia pulchellana) and the northern winter moth (Operophtera fagata). Hydrangea (Hydrangea); Japanese Spurge (Pachysandra); Sweet Flag (Acorus); Sweetspire (Itea); Clethra (Clethra); Artemisia (Artemisia). This plant produces brown flowers on old wood. It usually grows near the lakes and rivers. The interior Alaska boreal forest eco-region, which encompasses the Refuge, is fire-adapted. Dwarf Birch Betula nana. In Scotland, dwarf birch is classified as being nationally scarce, and it exists in scattered pockets throughout its range, usually in a considerably suppressed form, because of overgrazing by deer and sheep. mushroom fungi to provide the plant with nitrogen and phosphorous naturally … Some of the useful facts and details about the birch tree are listed below.The name, ‘birch’ has originated from a Germanic term, birka. Ruffed and sharp-tailed grouse, however, rely heavily on early seral stage forests for breeding, nesting, and brood rearing habitat. exilis, which is found in Siberia, Alaska, northern Canada and Greenland. Identification Comments General Description. The paper birch tree is also known as the American White Birch or the Canoe Birch. Formerly it was much more abundant within its range, but it has declined because of deforestation, overgrazing and burning of heather moorland. The birch needs a well-drained and preferably, sandy soil for its healthy growth. The lower branches droop on older trees. New growth appears in sunset hues of yellow, red, and orange, and cheerful chartreuse foliage carries the plant through the entire season. It is listed as rare in the latter two states. This study investigated decadal growth rates of dwarf birch ( Betula glandulosa ) across a low Arctic landscape in the continental interior of Canada. Enter your email and we'll email you instructions on how to reset your In New York, the species is restricted to alpine meadows and openings in alpine krummholz (New York Natural Heritage Program 2007). Bark. Other articles where Bog birch is discussed: birch: Bog birch (B. glandulosa) of North America, also called tundra dwarf birch or resin birch, and dwarf birch, or dwarf Arctic birch (B. nana), native to most far northern areas of the world, are small alpine and tundra shrubs commonly known as ground birch. tortuosa, which has a similar habit and growth pattern. In winter, weeds, brush. It has dark gray to coppery-brown bark that rarely peels and leaves, 2–4.5 cm long, that are round to slightly-pointed at tips. The recent widespread expansion of deciduous shrubs across much of the Arctic has been largely attributed to climate warming. River birches may grow up to 90 feet tall, but the average height is 40 to 70 feet, and 25 to 60 feet wide. Deciduous. password. Underside of a leaf. Elsewhere within its circumpolar distribution, a much larger number of fungi have been recorded with dwarf birch. Treatment appears in FNA Volume 3. Weeping silver birch growing conditions include full sun and well-drained, moist soil. A fairly large specimen at the Guelph Arboretum. It is also a constituent part of the vivid autumn colours of the Lappish moorlands. nana, which grows in western coastal Greenland, Iceland, Scotland, Scandinavia, the Alps and across northern Asia to western Siberia; and Betula nana ssp. When he once spotted it on a … Cherry Birch (Betula lenta) Stephen Robson / Getty Images Cherry birch is a large tree that grows from a single main trunk. The soil should never dry out. It grows along streams and lakes. Its attractive bark is especially striking in the winter when the rest of the tree is bare. Growing only 10 feet tall and 12 feet wide after 15 years, this rare but easy-to-grow specimen tree fits into any landscape, large or small. The initial growth rate is very slow and seedlings reach a maximum height of 3 cm. © 2020 Monrovia Nursery Company. Young trees have salmon- to rust-colored bark that matures to a silvery gray. 10+ of the best varieties of small & dwarf Birch (Betula) trees for limited space. If pruning is necessary, prune during the dormant season and avoid pruning in spring when the sap is running. Betula nana, the dwarf birch, is a species of birch in the family Betulaceae, found mainly in the tundra of the Arctic region. 0.2–0.8 m (7–30 in.). Non-mycorrhizal fungi occurring with dwarf birch in Scotland are a Although dwarf birch has quite a number of host-specific insects (ie insects that feed on it and nothing else) outside the UK, there are only two such insects recorded in Scotland: the larvae of the moths Swammerdamia passerella and Stigmella nanivora . In Alaska, quaking aspen, willow, and dwarf birch often are the first species to regenerate after fire. Dwarf Arctic birch (Betula nana) is a deciduous shrub native to the tundra and its habitat ranges from the arctic regions to northern North America. The vegetation community in which dwarf birch most commonly occurs in the Highlands is that characterised by heather (Calluna vulgaris) and hare’s tail cottongrass (Eriophorum vaginatum). Dwarf Arctic birch (Betula nana) is a deciduous shrub native to the tundra and its habitat ranges from the arctic regions to northern North America. With over 60 known species and a profusion of cultivars, Betula is a large family of deciduous trees and shrubs. The major forces shaping the diversity of habitat on the Refuge are fire, flooding and insects, all of which interact in a complex way. It likes moist soils and can live in marshes or bogs, making it a good shrub for problem areas. Common in riparian zones and boreal forests across Western Canada. Its branches or twigs are a dull dark brown colour and are quite stiff. Some of those species, such as the edible boletes (Leccinum scabrum, L. versipelle and Boletus edulis), also occur in Scotland, so it is likely that they would form mycorrhizal relationships with dwarf birch, if it was more widespread and abundant, as in the past. Ideal in minimal-care landscapes, where the compact, low-branching form works as an accent or in groups to create a natural hedge or screen. The trunks are slender, rarely over 5–10 cm (2–4 in) diameter, with smooth, dark brown bark.The leaves are nearly circular to oval, 0.5–3 cm (1 ⁄ 4 – 1 1 ⁄ 8 in) long and 1–2.5 cm (3 ⁄ 8 –1 in) broad, with a toothed margin. Neat, tidy - and tiny! 5. Breeds in shrubby habitats of the North, including clearings in birch or spruce forest, thickets of willow, alder, or dwarf birch, bushy areas on tundra. Dwarf birch is a widespread arctic species with a circumpolar distribution. Dwarf Birch Here is a perfect birch tree species for those that don’t want a tree that is quite as overwhelmingly tall with age. Dwarf birch is the most common plant here, along with crowberries and labrador tea, which are pictured in the quilt. Cesky Gold ® dwarf birch is an exceptionally cold-tolerant dwarf birch. Moose Habitat: Moose are typically associated with boreal forests throughout Northern Asia, Northern Europe and North America. Prefers moist, acidic, fertile soils including semi-aquatic conditions, but also tolerates drier soils. Water regularly to maintain evenly moist soil - weekly, or more often. Further south in Britain, there are two outlying populations in northern England, in the North Pennines and at Kielder in Northumberland. ‘Betula’ (genus of birch) is a Latin word. Flowers. Facts. Inflorescences dense, pendent catkins formed by numerous, 3-flowered cymes. If you want to benefit from this improved service, please opt-in.. More Info. Tuck colorful, hardy Cesky Gold dwarf birch (Betula x plettkei) into any little spot that could use some pizzazz. Twigs sparsely to densely pubescent, dull, without heavy resinous coating, without large, warty, resinous glands. Betula papyrifera, commonly called paper birch or canoe birch, is a robust, fast-growing landscaping tree with a most attractive gleaming white bark, which peels off in papery strips to reveal an orange-brown bark underneath. Throughout Northwestern Ontario, most common in the proximity of Lake Superior. Other common names include swamp birch, glandular birch, dwarf birch, and resin birch. Moose habitat also includes open tundra where conifers such as dwarf birch, alder and willows grow surrounded by lakes, bogs and streams. Dwarf birch is a shrub up to 9 feet (3 m) tall, which inhabits ravines and plateaus of the alpine regions of Vermont, Maine, and New Hampshire. Inconspicuous; prized for foliage and bark. Himalayan Birch. Allow to grow naturally, where its attractive, fan-like habit can be enjoyed, or prune it into a shape, like a low hedge. Native Northern Birches Your plants are actively growing and we will only deliver them once they meet our rigorous quality standards, Discover new plants and design ideas for your garden, 817 E. Monrovia Place Azusa, California 91702-1385. Available from specialist nursery with 20 years experience & UK wide delivery. Dwarf Birch Tree; Himalayan Birch Tree; Japanese White Birch Tree; Paper Bark Birch Tree; River Birch Tree; Silver Birch Tree; Water Birch Tree; Weeping Birch Tree; Yellow Birch Tree; Birch Tree: Facts & Info on Birch Trees. River Birch Tree Facts. Two distinct subspecies are recognised: Betula nana ssp. spp.). In common with the larger species of birch, dwarf birch has mycorrhizal associations with various fungi. This site uses cookies to provide and improve your shopping experience. Pale salmon and reddish-brown at first, it exfoliates to reveal lighter inner bark. Available from specialist nursery with 20 years experience & UK wide delivery. Larger herbivores which graze on dwarf birch include sheep and red deer (Cervus elaphus), and their feeding is one of the main factors limiting the natural spread of this species in Scotland. It is a common reclamation species. River Birch Tree Facts The female flowers are slightly larger and broader, and are pollinated by the wind, becoming cone-like in appearance as they mature. River birch is perhaps the most culturally adaptable and heat tolerant of the birches. Your plant(s) will ship to the garden center you chose within the next 21 days. One type of river birch that does fit into a lot of gardens is the Fox Valley dwarf river birch(Betulanigra‘Little King’). This dwarf shrub is a good choice for a container garden. It’s deer resistant and highly tolerant of urban pollution, even in inner-city environments. Birch requires well-drained soil, enough moisture and direct sunlight for the proper growth. Birch is deciduous tree that belongs to the family Betulaceae. SC143304, with registered offices at The Park, Findhorn Bay, Forres, Moray, IV36 3TH. A northeastern North American endemic, dwarf white birch occurs from Newfoundland and Labrador west to the extreme eastern edge of Ontario south to the mountain summits of Maine, New Hampshire, and New York (Furlow 1997). Both species have almost circular leaves, are food sources for birds… Neither the flowers nor the fruit are significant. Betula nana is a deciduous Shrub growing to 0.3 m (1ft) by 0.5 m (1ft 8in). Trees for Life is a registered Scottish charity – number SC021303. No worries. Birch tree is mainly found near water sources. In Scotland dwarf birch grows exclusively on blanket peat, where the soil conditions are typically wet, acidic and lacking in nutrients. Birch trees are popular due to their airy and somewhat delicate foliage, as well as for their interesting bark characteristics. It is listed as rare in the latter two states. Weeping silver birch (Betula pendula) is a European species that is well suited to North American locations with mild summers and cold winters. This nifty little shrubby birch naturally grows as a compact mound of fine stems, each covered with little yellow leaves that give it a very appealing texture. Fox Valley® Dwarf River Birch is a pint-sized cutie unlike any Birch tree you’ve ever seen. Vigorous and fast growing, this dwarf cultivar forms a dense, deciduous, multi-stemmed tree with a uniform broad-pyramidal to broad-rounded habit. It is hardy to zone (UK) 2 and is not frost tender. Moderate growing; reaches 8 to 10 ft. tall and wide in 10 years. nana . Upland sandpipers and moose will also make appearances as they scavenge for berries and food. The species below are those most frequently grown in our gardens. Female catkins 5–20 mm long. The river birch tree often is used for landscaping due to its graceful drooping limbs and attractive color. Another closely related species of dwarf birch, Betula glandulosa, occurs in Alaska, northern Canada and Greenland. The last type of low shrub landcover is mixed with sedges. This plant has a complex underground root system, which forms a symbiotic relationship between the Cortinarius sp. Establish Dwarf Birch in a wet, well-drained site with rocky acidic soil. Habitat: Birches, thickets, tundra scrub. Out of 60 birch species, 11 are listed as endangered mainly due to habitat destruction and … This tree was discovered and introduced in the late 1970’s by Jim King of Oswego, IL and in 1991 promoted through the Chicagoland Grows program. Fox Valley® Dwarf River Birch is a pint-sized cutie unlike any Birch tree you’ve ever seen. X. VAT No. Leaves alternate, simple, 5-7.5 cm long, rounded or slightly cuneate (wedge-shaped with straight sides) at base, margin double serrated, dark green above, glandular below, pubescent on veins, 7 … The leaves are small, reaching a maximum width of 2 cm., round in shape and have a few large, rounded and regularly-spaced teeth on their margins. It can also be used as a focal point, in mass plantings, as a low hedge, in perennial gardens and mixed shrub borders. Dwarf birch is monoecious, so each individual plant has both male and female flowers. Here is a perfect birch tree species for those that don’t want a tree that is quite as overwhelmingly tall with age. The male flowers are catkins up to 0.8 cm. Cesky Gold® Betula x plettkei 'Golden Treasure' Can 5,637 can be grown in USDA hardiness zones 2 to 7 in partial to full sun conditions. Shrub to 2 m high with brown to black bark. The base of the tree should be protected from heat; the crown should receive lots of sunlight. Our vision is of a revitalised wild forest in the Highlands of Scotland, providing space for wildlife to flourish and communities to thrive. Betula nigra 'Little King'. obs.). American dwarf birch is a multi-stemmed shrub typically growing to 1–3 m (3.3–9.8 ft) tall, often forming dense thickets. © 2020. logging into shop.monrovia.com. Spruce and sooty grouse rely on mature mixed conifer / hardwood stands. The river birch is a popular tree for river banks and wet parts of the garden. The recent widespread expansion of deciduous shrubs across much of the Arctic has been largely attributed to climate warming. Leaves of the birch can be either pointed or toothed. Elsewhere in its range, however, it also occurs in more rocky sub-arctic and alpine locations, growing on steeper slopes and where the soils are better drained. It rarely gets above 7 feet tall and only if protected. As with downy birch, the twigs are covered in a fine down. Dwarf Arctic birch (Betula nana) is a deciduous shrub native to the tundra and its habitat ranges from the arctic regions to northern North America. Other articles where Dwarf birch is discussed: birch: …North America, also called tundra dwarf birch or resin birch, and dwarf birch, or dwarf Arctic birch (B. nana), native to most far northern areas of the world, are small alpine and tundra shrubs commonly known as ground birch. Bog birch (B. glandulosa) of North America, also called tundra dwarf birch or resin birch, and dwarf birch, or dwarf Arctic birch (B. nana), native to most far northern areas of the world, are small alpine and tundra shrubs commonly known as ground birch.Both… Read More River Birch Tree Facts. Typical growth form. exilisis native throughout Alaska and across northern Canada to Baffin Island, Labrador, and Greenland. The tree will withstand most types of soil; it grows best in moist (not wet) soil but can tolerate slight flooding or slight drought. Here is some detailed information on birch trees.