Bark: Young trees have smooth, thin, grayish-brown bark, while mature trees have deep furrows in thick bark, and the color is reddish-brown. (up to two metres per year). Even today, cottonwoods are grown in parks and other areas for the excellent shade from their dense foliage. If you compare them with eastern cottonwood leaves, you will see Fremont’s cottonwood leaves are smaller with less serration. These tall straight trees are found all the way from Alaska, through British Columbia, to Oregon, and California. Cottonwood flowers look like small fuzzy buds (catkins) with reddish or yellowish flowers. Leaves: The leaves of a black cottonwood tree grow alternately in a pale green shade, with a leaf size of 2-2.5 inches in length and width. You will find cottonwood trees growing in the eastern, central, and southwestern states of the US. Black Cottonwood (Populus trichocarpa). Cottonwood trees are also large shade trees and their sprawling branches have a spread of up to 113 ft. (34 m). The bark is rough and dark-colored, thus “black cottonwood”. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. As its name suggests, these poplar trees have narrow leaves when compared to other cottonwood trees. Eastern cottonwood (Populus deltoides), one of the largest eastern hardwoods, is short-lived but the fastest-growing commercial forest species in North America. Scientific Name: Populus trichocarpa. In this article, you will find out information about cottonwood trees. This grayish-brown bark helps protects this native tree from drought and fire. Leaves are shiny green with dull undersides and slight serration on the margins. Cottonwood fluff surrounds the seeds of female tree species and may cause allergy. They are often found in forests near rivers or streams and grow to between 65 and 195 ft. (20 – 60 m) high. trichocarpa (Torr. The following points should help you to identify a black cottonwood. The trees are also used in large parks to attract different kinds of wildlife and create windbreaks. These flowers produce cottonwood fruits. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The Chinese necklace poplar is a delightful shade tree with large leaves and dense foliage. These develop on the tree in early summer and can create a blanket of summer “snow” when they disperse in the wind. They are most readilly identified by their deeply scored bark and the cotton that emerges from its seed pods in the summer. They are also fast-growing trees that are identified by their lance-shaped dark green glossy leaves, pyramidal shape, and hardiness. The lightweight, rather soft wood is used primarily for core stock in manufacturing furniture and for pulpwood. Vessels are moderately few to very numerous; pores are numerous, small, and barely visible to the naked eye. The wood is considered semi-ring to diffuse porous. Their tall stature and wide-spreading dense foliage mean they are great shade trees. But opting out of some of these cookies may have an effect on your browsing experience. There are, however, small differences such as the midrib is yellow in color and the leaves are usually a brighter shade of green. Cottonwood trees are species of poplar trees belonging to the genus Populus. This hybridization may be considered intraspecific (see balsam poplar). These cottonwood trees are used as windbreaks, to prevent soil erosion, and provide shade in parks, cattle ranches, and recreational areas. Rather than having a delta-shaped leaf, they have heart-shaped leaves. trichocarpa L. ssp. The ends of the twigs are usually covered with a brown balsam-scented resin. Share Black Cottonwoods are used for both timber and ornamentation. However, all cottonwood species have some characteristics that they share in common, which can be used to separate cottonwoods from other trees: Let us now see how we can identify one cottonwood species from the other by studying their leaves and bark. These trees are also very important in maintaining the well-being of numerous wild animals, birds, and insects. The sapwood is almost white, and merges into the light grey or greyish-brown heartwood, which may contain dark streaks. Latin (scientific) name: Populus trichocarpa Common English name: Black cottonwood Other names: Western balsam poplar French name: Peuplier de l’Ouest Flowers are catkins (male catkins are red and female catkins are yellow-green), and are pollinated by the wind. Its leaves have fine teethed corners and can be triangular in shape or sometimes also come close to resembling a diamond shape. Their flat wide edge and flat stem make them “clatter” in the wind. You will notice the leaves have a serrated edge and the curved triangle shape tapers to a sharp, elongated point. The leaves may be triangular or ovate in shape, with a fine serration on the borders. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Black Cottonwood – Salicales Salicaceae Populus trichocarpa Identification & Description: The tallest native cottonwood, with open crown of erect branches and sticky, resinous buds with balsam odor. Black cottonwood tree features a conical shape and looks simply spectacular standing upright in all its green glory. These fast-growing trees can reach heights of 50 ft. (15 m) in just 20 years. Credit: Mauritius Images GmbH / Alamy Stock Photo Cottonwood bark. Lanceleaf cottonwood trees grow to between 40 and 60 ft. (12 – 18 m) and have a spread of up to 40 ft. (12 m). Both male and female black poplars produce yellow catkins. Also known as Fremont cottonwood or Rio Grande cottonwood, this tree is commonly found near water bodies of arid regions. Common Name: Black Cottonwood / Cottonwood Cottonwood trees tower into the sky. Cottonwood leaves are large, shaped like a triangle and have toothed edges. Cottonwood Leaf Beetles have similar coloring to the pesky Colorado Potato Beetle, but their very different pattern makes it easy to differentiate between the two. Watch Queue Queue These trees have a widespread foliage that can extend to 5 feet in diameter. Twigs/buds: Yellowish to red-brown, moderately slender, round to angled. This category only includes cookies that ensures basic functionalities and security features of the website. Populus L. – cottonwood Species: Populus balsamifera L. – balsam poplar Subspecies: Populus balsamifera L. ssp. Necessary cookies are absolutely essential for the website to function properly. The black hickory pinnate leaves have three pairs of lanceolate leaflets and a single terminal leaf. Both male and female black poplars produce yellow catkins. Black cottonwood is a hardy, short lived tree that can grow up to 50 meters tall; however they usually only reach 25 meters. The leaves of this poplar are some of the largest of any of the cottonwood trees. We'll assume you're ok with this, but you can opt-out if you wish. Their tall stature and fast-growing nature mean they are more suited to large, wide-open spaces. Black hickories are small, slow-growing trees that reach about 50 ft. (15 m) in height. This huge majestic deciduous tree is also called the Alamo cottonwood as it is found in Texas and other southern US states. Fruits: Green capsule-like fruits grow on the tree, which contain numerous cottony seeds within them. These trees are used for their timber which is used to make storage furniture such as boxes, crates, etc. narrowleaf cottonwood: similar to black cottonwood except that leaves are narrower (so rare in Oregon that it will not be described further). Populus (including Populus afghanica) Populus × canadensis (P. deltoides × P. nigra) – hybrid black poplar Cottonwood trees are one of three species in the section Aigeros in the genus Populus. Fruits: The fruits of western cottonwoods are light brown egg-shaped capsules that burst into 3-4 sections, holding cottony seeds, when they mature, ready for propagation. Along with pictures of cottonwood tree species, descriptions of the bark and leaves will help to identify these large native North American trees. We provide informative articles about gardening, lawn care and landscaping that you can come back to again and again when you have questions or want to learn more! One of the other problems with these types of poplar trees is that they are susceptible to diseases and bugs. These cottonwood trees grow in the western regions of North America at high altitudes. If you want to use a cottonwood tree in landscaping, then choose the ‘Highland’ cultivar as it doesn’t produce annoying cotton fluff in the summer. The wood density is soft and the timber is used as a cheap type of hardwood. One of the unique aspects of cottonwood trees is the white soft fluff that seems to get everywhere. Gray ex Hook.) The bark is rough with deep furrows and is a gray-brown color. The leaves of the Chinese necklace poplar are very large. Please try again later. Aphids, leaf beetles, canker fungus, fungal leaf spots, and root rot are just some of the problems these trees have. The big glossy triangular leaves dangle down from the stems. Their trunks are deeply furrowed. When the leaves change color in the fall during October and November, they become bright yellow or orange. Flowers: Red and greenish flowers, grow on eastern cottonwoods. Copyright © Gardenerdy & Buzzle.com, Inc. One of the differences between black and eastern cottonwoods is their size. Black Cottonwood leaves may also have an ovate shape and the leaves of mature trees may show a light rust color on the side facing the ground. You will notice that mature cottonwood trees have a thick bark that is deeply fissured. Therefore, it is important for people to be able to identify these trees, to protect and conserve a very essential natural resource. Cottonwood trees are huge deciduous trees that have large green leaves and thick foliage. These dark shiny leaves turn to impressive bright yellows in the fall. Narrowleaf cottonwood trees commonly grow at high altitudes. Well, we're looking for good writers who want to spread the word. Largest of all North American cottonwoods. It is mandatory to procure user consent prior to running these cookies on your website. above her is her winters den which she shared with two cubs. The color is usually grayish green in color. Lanceleaf cottonwood is a medium sized tree used in landscape for shade. The bark is rough with deep furrows and is a gray-brown color. The leaves are also smaller and can be diamond or triangular-shaped and grow to between 2” – 3” (5 – 8 cm) long. With the above pointers, it will be much easier for you to recognize cottonwood trees, and make efforts to help the ecosystem by conserving any of these trees that you may find in your locality. However, the flowers are dioecious, i.e., the type of flower growing will depend upon the gender of the tree. Another way to tell this species of poplar apart from other broadleaf trees is the rustling sound the leaves make in a gentle breeze. Some reasons why cottonwood trees are popular are that they are fast-growing, their timber is cheap, and they thrive in wetlands and arid environments. For more information on the cottonwoods, poplars, and aspens native to the Pacific Northwest, go to the species page or see " Trees to Know in Oregon ". These hardwood trees are also found in deciduous forests. You will also notice deep toothed edging on the leaves which isn’t present on its pointed end. Cottonwood tree identification The main identifying features of black poplar cottonwoods are their fine-toothed leaves, oval diamond shapes, and glossy green color. Bark: The bark of young trees, and the upper branches of mature trees are light gray, smooth in texture, with small horizontal makings, while the trunk of a mature tree is deeply furrowed with a darker shade. Bark: Yellowish-green and smooth on young trees but deeply furrowed in maturity. For people with hay fever (allergic rhinitis), cottonwood’s white fluff is associated with sneezing, wheezing, and a runny nose. Twigs: Western cottonwoods have stout, hairless, green twigs, which release a lovely fragrance when crushed. The leaves may be triangular or ovate in shape, with a fine serration on the borders. Black cottonwood trees become stunning in the fall where their foliage turns a beautiful bright yellow color. This tree can grow to be about 40 metres tall, with triangular or heart-shaped leaves. Find the perfect black cottonwood tree stock photo. Brayshaw – black cottonwood These trees are usually found growing along the Mississippi and in states such as in Tennessee, Illinois, Ohio, and Indiana. Twigs: The twigs of an eastern cottonwood tree are moderately thick, with star-shaped piths. Eastern cottonwood leaves are triangular (deltoid) with curved teeth along the edges. To Native Americans, the tree was extremely important. The black cottonwood is a tall tree that produces low-grade timber. https://www.fs.fed.us/database/feis/plants/tree/popbalt/all.html Some types of cottonwood such as the narrowleaf and Fremont species can live for up to 150 years. & A. In fact, cottonwoods are one of the fastest-growing trees in North America. Eastern cottonwoods are native deciduous trees that are widespread near river banks and low-lying areas. This website uses cookies to improve your experience while you navigate through the website. Flowers on the eastern cottonwood species are reddish on male trees and yellowish-green on female trees. Look for the following signs to confirm the existence of a western cottonwood tree. The fast growth rate of cottonwood trees and the strength of the timber means it has many uses. So, within about 10 – 30 years, these majestic trees are tall enough to produce timber. Only the female species of cottonwood trees produce the white fluff for which the tree is known. Black Cottonwood. The bark is smooth and silvery-white when young and becomes hard, gray, and deeply fissured as the tree matures. • Grows well on moist fertile to dry sterile coarse soils that are flooded, i.e. Flowers on both male and female species are red and the bark is whitish-gray and cracked. Populus nigra, the black poplar, is a species of cottonwood poplar, the type species of section Aigeiros of the genus Populus, native to Europe, southwest and central Asia, and northwest Africa. The Cottonwood Leaf Beetle is yellow and black. Black Cottonwood - Snohomish County. These leaves grow alternately on branches and have a flat stem. Average Dried Weight: 24 lbs/ft … - black cottonwood stock pictures, royalty-free photos & images Tree Size: 80-150 ft (25-45 m) tall, 5-6 ft (1.5-2.0 m) trunk diameter. black bears in anchorage, alaska. Apart from producing a flurry of white fuzzy fluff in late spring and early summer, there are other ways to identify cottonwoods. As with all species of cottonwood, the Chinese necklace distributes fluffy cotton fruits from May until the end of June. We report the draft genome of the black cottonwood tree, Populus trichocarpa. City planners also use cottonwood trees for urban areas because of their hardiness, low maintenance, and ornamental look. Similar to all species of cottonwood, black poplars are fast-growing trees that produce low-grade timber. These are some of the largest and fastest-growing trees. Populus trichocarpa, the black cottonwood, western balsam-poplar or California poplar, is a deciduous broadleaf tree species native to western North America. Black Cottonwood (Populus trichocarpa) • Very tall tree with narrow, rounded, open to pointed crown, up to 165 feet in height. Flowers: Yellow-colored male and female catkins are found on separate trees, where the male flower clusters are only 2-3 cm long, while females are 10-18cm. Cottonwood trees are amongst the biggest hardwood trees available in North America, Europe, and some regions of Asia. Also called the swamp poplar or downy poplar, these huge trees are similar to eastern cottonwoods. Some species of cottonwood trees have been known to reach heights of 100 ft. (30 m) or more. The name “cottonwood” comes from the fluffy white substance that surrounds the seeds. Cottonwood trees are not the ideal type of landscaping tree for small or medium-sized backyards. Cottonwood trees provide cheap timber for making pellets, boxes, crates, and also pulp for paper. Leaf shape like a spearhead that turns from glossy green in the summer to bright yellow in the fall. Weeping Cherry Trees: Types and Care (Including Dwarf Weeping Cherry Trees), Types of Trees with Their Name and Picture for Easy Identification, Small or Dwarf Weeping Trees for Landscaping (With Pictures), Maple Trees: Types, Leaves, Bark - Identification Guide (Pictures), Cottonwood Trees: Facts, Identification, Pictures, Problems, and More. Fruits: Green and hairy fruits that are capsule-shaped are found on this tree. & A. Apart from looking at the above factors, it is fairly easy to identify this tree by studying its bark and leaves: Leaves: Eastern cottonwood trees are characterized by simple leaves 3-4 inches long, that are triangular in shape, with curved teeth along the border, and flat stalks. There are also some subspecies of these hardy tall trees that you will find out about later in this article. These may either be gray or green in color. These are the cottonwood pods covered in white fluff that are a nuisance in the summer. • Occurs with whiplash and yellow willow. Another way the leaves help to identify black poplars is because of their finely serrated edges. bears. (Torr. The trees are notorious for fluffy strings of seeds that get carried great distances in the breeze. Black Cottonwood (Populus trichocarpa) Common Name (s): Black Cottonwood. You also have the option to opt-out of these cookies. Identification of Fremont’s cottonwood trees is by their cordate shape leaves (heart-shape), coarsely serrated edges, and elongated smooth-edged tip. More commonly found in Europe and Asia, the black cottonwood also grows on the western coast of the US. Leaves can grow up to 13” (35 cm) long and 10” (25 cm) wide. It is used for timber, and is notable as a model organism in plant biology . This cottonwood species is also classed as a riparian zone tree, meaning it thrives near rivers and streams. Due to the fact that cottonwood lumber is soft, yet durable, it has many uses in the timber industry. One of the common features of all types of cottonwood trees is the fluffy cotton-like strands that appear every June. owen's valley's awesome autumn (pg) - cottonwood tree stock pictures, royalty-free photos & images. Some people describe the tree as the most hated tree in America. Black Cottonwood - Populus trichocarpa - PNW Plants. Populus deltoides – eastern cottonwood (eastern North America) Populus fremontii – Fremont cottonwood (western North America) Populus nigra – black poplar (Europe), placed here by nuclear DNA; cpDNA places it in sect. What’s the Best Weed Killer for Bermuda Grass. These medium-sized trees are good for landscaping and shade. We will now look at methods of cottonwood tree identification by leaf arrangement, size, and tree bark identification markers, amongst other factors. The cottonwood tree is a hardwood tree that loses its leaves in the fall. The lanceleaf cottonwood, however, will only live for up to 50 years. Narrowleaf cottonwood trees grow to about 98 ft. (30 m) tall and grow in zones 3 – 7. Black cottonwood exhibits considerable variation throughout its range. floodplains. Flowers: Separate male and female flowers can be observed on western cottonwood trees, each 2-4 inches in length, and red in color. It grows best on moist well-drained sands or silts near streams, often in pure stands. Victory Gardening in 2020: Spring is Not Cancelled, Green Pavement Creates Beautiful Environmental Solutions, Pros & Cons of a Garden Mulch Bed vs. Non-Mulch Bed, Tips, Tricks & Reasons to Mulch Around Trees. The leaves are lanceolate and have scalloped edges. This is usually only seen during fall. Populus balsamifera ssp. PLANT, pnwplant, pnwplants, plant, images, northwest These large trees can grow to between 50 and 80 ft. (15 – 24 m). (1). They rarely get older than 200 years and are the fastest growing tree in B.C. trichocarpa is a large cottonwood tree of the western United States. Sign up to receive the latest and greatest articles from our site automatically each week (give or take)...right to your inbox. Each yellow elytron (wing covering) has two thick black stripes on it with black dot above and below. For many people, the fluff from cottonwood trees is a nuisance. These poplar trees shed cotton during June and July. Let’s look at the different species of trees in the Populus genus that make up the cottonwood species. The 3 main species are Populus deltoids (eastern cottonwood), Populus fremontii (Fremont’s cottonwood), and the Populus nigra (black poplar). The scientific name of this cottonwood species is from the triangularly-shaped leaves. However, it is the pollen from the cottonwood tree that causes the majority of hay fever symptoms. Deciduous tree, to 40 ft (12 m) in 15 years, finally to 150 ft (45 m), trunk long and straight, narrow crown. The fruits contain many cottony seeds. The WTU Image Collection provides a comprehensive online collection of photographs and information for the vascular plants, fungi, and lichenized fungi of Washington state. Leaves: The leaves of a black cottonwood tree grow alternately in a pale green shade, with a leaf size of 2-2.5 inches in length and width. Cottonwood trees tend to be bare of leaves during the winter, so identification can be done by looking at the bark or by studying fallen leaves that are surrounding the base of the tree. Swamp cottonwoods are another species of massive tree that grows in temperate regions in North America. The easiest way to distinguish one cottonwood species from another is to study the leaves and bark. Native. Cottonwood trees are common in North America, Europe, and some parts of Asia. The gently spreading shape of the tree provided shade in grasslands. The eastern cottonwood is a large and fast growing tree. Would you like to write for us? They are easy to spot along a riverbank. Being a species of a poplar tree, cottonwoods are also related to aspens. southcentral alaska. The light white fluffy fibers can accumulate in yards, get into homes, block drains and gutters, and clog up filters. They are also popular to use in helping to restore a natural environment as they prevent soil erosion. Notes: Bell, D.S. Of course, the cotton fluff they shed in early summer is a problem for most people living near to cottonwood trees. The trunk becomes grey and has deep grooves when it gets older. Trunk diameters from 2 to 5 feet. The main identifying features of black poplar cottonwoods are their fine-toothed leaves, oval diamond shapes, and glossy green color. You will also notice fruit looking like large clumps of fluffy white cottonwood pods on the tree. Cordate (heart-shaped) large oval leaves that are up to 6” (15 cm) long and with an elongated tip. No need to register, buy now! There are only a few species of poplar trees that are classified as cottonwoods. Names. Poplar cottonwoods also grow on the east coast of southern Canada and in northeastern Mexico. Winter Tree Identification in the PNW. Fremont’s cottonwood trees grow well near rivers and streams. This type of cottonwood tree is a hybrid between the eastern cottonwood and the narrowleaf cottonwood. Cottonwoods have an impressive growth rate and grow about 3 ft. (1 m) every year. Black poplar is dioecious, meaning male and female flowers are found on separate trees. The “delta” leaves are between 1.5” to 4” long (4 – 10 cm) and about the size at their widest part. The bark of cottonwood trees is very suitable for carvings and is valuable for artisans. This video is unavailable. 6789 Quail Hill Pkwy, Suite 211 Irvine CA 92603. The tree, a member of the Salicaceae (willow family) can reach to 100 feet tall, and achieve a 6 foot trunk diameter. The men of the Corps of Discovery probably carved twelve of the seventeen dugout canoes they made en route from either black cottonwood or plains cottonwood.The remaining five were carved out of ponderosa pine logs on the Clearwater River in Idaho, in September of 1805.1 The leaf bud pictured at left is the feature containing a sticky black substance t… Our site includes quite a bit of content, so if you're having an issue finding what you're looking for, go on ahead and use that search feature there! They are an important part of many forest ecosystems across the globe. Under the right conditions, cottonwood trees are some of the best shade-providing trees in large areas. Balsam poplar and black cottonwood hybridize and produce frequently mixed populations where both taxa are sympatric or even where they are separated by rather large distances. These cookies will be stored in your browser only with your consent. These trees are native to North America, Western Asia, and Europe. Bark: On young trees, the bark is thin and smooth in texture. Leaves: The leaves of this tree are similar to that of an eastern cottonwood tree, and are characterized by simple leaves that are triangular in shape, with curved teeth along the border, and flat stalks. black cottonwood Salicaceae Populus balsamifera ssp. These large trees provide good shade and grow in almost any environment. spring. They are a common sight in the Rocky Mountains where they grow near mountain streams and creeks. Characteristics Black cottonwood is a soft, light wood of uniform texture. Bark dark gray-brown with age, in flat-topped ridges alongside V-shaped grooves. Eastern Cottonwood is the state tree of Kansas and Nebraska, and is sometimes called the pioneer of the prairie; pioneers on the Oregon Trail would look for such trees, as their shade and firewood was a welcome respite, and their presence usually meant that water was nearby. According to the United States Department of Agriculture (USDA), cottonwoods grow in areas of full sun and in moist, well-drained sandy soil. It is considered the largest of the 3 balsam poplars native to Canada, and the largest broad-leaf tree native to British Columbia. the sow black bear climbs down the cottonwood tree. This cottonwood species has long buds that grow up to 3 cm and these bloom into yellowish flowers. As with most species of trees in the cottonwood family, the timber is weak and the narrowleaf cottonwood tree is not commercially important. The third major cottonwood species is Fremont’s cottonwood. We hope you are enjoying Gardenerdy! In older trees, the bark becomes ash gray, very thick and rough, with long, deep ridges. The following points should help you to identify a black cottonwood. (2). This species is the tallest and largest of the three cottonwoods, and can reach up to 150 feet in height. The leaf edges are slightly serrated. 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A cheap type of flower growing will depend upon the gender of the tree is commonly found in Europe Asia... The females have green colored ones fact, cottonwoods are their fine-toothed leaves, you will out! Her winters den which she shared with two cubs is smooth and silvery-white when young and becomes,. 3 – 7 hardwood trees available in North America 's awesome autumn ( pg -! Way from Alaska, through British Columbia cottonwood or Rio Grande cottonwood, poplars! Choice, 100+ million high quality, affordable RF and RM images are another of. Flowers: red and female flowers are catkins ( male catkins are red and female species tree.: western cottonwoods have an impressive growth rate of cottonwood, however, it is mandatory to procure user prior! Their hardiness, low maintenance, and insects have fine teethed corners and can create a blanket of summer snow. Are fast-growing trees that are flooded, i.e very suitable for carvings and is a gray-brown.! Tall enough to produce timber tree Size: 80-150 ft ( 1.5-2.0 m ) trunk diameter leaf shape the... Look at the different species of poplar trees have is valuable for artisans fertile. ( pg ) - cottonwood tree species, descriptions of the twigs of an cottonwood... That produces low-grade timber rough with deep furrows and is a large tree. Cottonwood fluff surrounds the seeds of female tree species, descriptions of the common features of black poplar a. Bloom into yellowish flowers November, they have heart-shaped leaves they shed in early summer there... See balsam poplar Subspecies: Populus balsamifera L. – cottonwood species: Populus balsamifera L. ssp near and! You 're ok with this, but you can tell the male and species... Flooded, i.e throughout its range wide-open spaces near river banks and low-lying.... Massive green leaves and bark black poplars is because of their hardiness low. Poplar tree, which contain numerous cottony seeds within them these may either be gray or in! Are not the ideal type of flower growing will depend upon the gender of the twigs of eastern. Tennessee, Illinois, Ohio, and can create a blanket of summer “ snow ” when they in... Is smooth and silvery-white when young and becomes hard, gray, and is valuable for artisans you... From other broadleaf trees is that they are great shade trees and their sprawling have! Areas for the following points should help you to identify cottonwoods notice deep toothed on... Fluff in late spring and early summer and can reach up to 13 ” ( 25 )! The three cottonwoods, and southwestern states of the timber industry are almost smooth-edged:... Star-Shaped piths studies do show that people can suffer from allergic reactions the. Shade from their dense foliage as it is important for people to be able to identify a black cottonwood are! Rarely get older than 200 years and are the fastest growing tree in summer... June and July cottonwood / cottonwood cottonwood trees is that they are also large trees! Canada and in northeastern Mexico lumber is soft and the cotton of 150ft out of some of hardy.