Broadleaf weeds 5ft tall seed pods

Broadleaf weeds 5ft tall seed pods

Bindweed is a vigorous, climbing broadleaf weed with 1- to 1½-inch, white to pink, funnel-shaped flowers and 1- to 2-inch, arrow-shaped leaves. Its twining stems can climb or sprawl up to 3 to 9 feet, including up and over more desirable plants. It grows from late spring through summer in most regions. Seeds can remain dormant in the soil for many years before sprouting.

Black Locust

Black locust is a deciduous shrub or medium-sized tree that loses its leaves in the winter. Each leaf is divided into seven to 25 leaflets arranged in pairs, and the leaves are 8 to 14 inches long. Fragrant white spring flowers bloom in long, drooping clusters and are followed by 4-inch-long brown seedpods.


Burweed, or Spurweed, is a low-growing, cool-season, annual broadleaf weed. It is easily identified by its low, fernlike foliage and sharp, spiny seed pods, which ripen in late spring. The leaves are deeply divided and covered in fine hairs. The stems branch at the base and have dark purple spots.

Canada Thistle

Canada Thistle is a perennial broadleaf weed with prickly, lobed leaves. It grows 1 to 5 feet tall, but its creeping roots can spread nearly 20 feet wide and deep, making it difficult to control. Small purple, rose or white flowers bloom in tight clusters atop the plant from late spring through fall.


Clover is a broadleaf, perennial weed found in lawns and garden beds. Leaves are usually divided into three leaflets atop stems that can reach 2 to 4 inches high.

Common Chickweed

Chickweed is a winter annual that grows from seeds, sprouting in fall. It’s a sprawling, succulent plant that usually grows about 2 inches high in lawns, but can be taller in garden beds. Small, soft green leaves line hairy stems, and tiny white flowers bloom in clusters on the stems’ ends. Seeds are spread by wind and birds.

Creeping Charlie

Creeping Charlie is a perennial, creeping plant that is sometimes grown as an ornamental ground cover. However, it can quickly spread to form thick mats throughout lawns and garden beds. Creeping Charlie can be identified by its lightly scalloped, fanlike or kidney-shaped leaves that are 1 to 2 inches across and have a minty aroma when crushed. It also produces small, bluish-purple, funnel-shaped flowers in spring.


Dichondra is a spreading, broadleaf perennial weed that forms a dense mat, which can choke out a lawn or fill garden beds. The bright green, heart-shaped and round leaves are ¼ to ½ inch wide and rarely reach over several inches high. Dichondra does not grow in areas where temperatures fall below 25° F.

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Dollarweed is a water-loving perennial weed found in lawns and garden beds. It has long-stalked, bright green, shiny leaves with veins originating from the leaf center. The leaves look like miniature lily pads and have rounded teeth. Small white flowers bloom from July through August. Dollarweed thrives in warm temperatures and moist, shady areas.


Henbit is a long-growing winter annual that sprouts in fall and grows during the cool season. It has square stems that reach about 16 inches high and rounded, toothed leaves that are 3 to 4 inches wide. Small purple flowers appear in spirals along the stems in spring and sometimes again in fall. Henbit prefers rich, moist soil and partial shade. It often invades bare or weak areas of lawn but can also occur in garden beds.


Knotweed is a sprawling, wiry, broadleaf annual weed that rarely grows over a few inches high. Tiny, oval, bluish-green leaves are ¼ inch wide and 1 inch long. Flowers are small and inconspicuous, whitish-green and born in leaf axils in fall. Knotweed can form a thick mat, up to 3-feet in diameter, choking out desirable lawns and plants.


Kudzu is a woody, perennial vine that is incredibly invasive and very difficult to control. It is a climbing weed that can grow at an accelerated rate—up to 60 feet per year. It has brown, hairy stems and green, 3- to 10-inch-long leaves divided into three leaflets that are sometimes lobed and usually hairy underneath. Small, reddish-purple flowers bloom in summer and are fragrant.

Oxalis/Creeping Wood Sorrel

Oxalis is a broadleaf, perennial weed with pale green, clover-like leaves divided into three heart-shaped leaflets. Small, bright yellow, five-petaled flowers can appear year round, but form mostly in spring. Oxalis can grow 4 to 12 inches tall and spreads rapidly by seed and rooting stems. Stems are covered with thin, fine hairs. Oxalis is also called False Shamrock and Sourgrass.

Plantain (Common, Buckhorn)

Plantain is a broadleaf, perennial weed. The oval-shaped leaves are 4 to 12 inches long, with three to five visible veins. Clusters of tiny white flowers appear atop slender stalks from spring through summer and sometimes into fall. They can reach up to 12 inches tall.

Poison Ivy

Poison Ivy is a woody perennial that can grow into a small shrub or a creeping vine climbs on trees and buildings. It is most common in shady areas. Poison Ivy is most easily identified by its leaves, which are divided into three pointed leaflets (‘leaves of three, let it be’).

Poison Oak

Poison Oak is a woody perennial weed that grows as an upright shrub in full sun or a creeping vine in shadier areas. The green, oval, lobed leaflets are 1 to 4 inches long in groups of three. Clusters of greenish flowers form in spring. Leaves turn reddish-orange in fall. Poison Oak oil, which causes rash and irritation, is most prominent in spring and summer, but can cause rashes year round.

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Prickly Lettuce

Prickly Lettuce is an annual broadleaf weed that can be hard to see, as it is often flat and hidden in the grass. It has pale green stems that can grow from 1 to 6 feet tall in ideal conditions. The bluish-green leaves are 2½ inches long, have prickly, painful edges and ooze a milky sap when broken. Yellow, dandelion-like flowers bloom from spring through fall. Prickly Lettuce spreads quickly by seeding and prefers dry, light soil.


Purslane is an annual broadleaf weed that grows in a mat-like shape, choking-out lawns, vegetables and flowers. It is succulent with reddish-brown stems and small green leaves that have a rubbery texture. Small yellow flowers bloom from late spring through summer.


The most common Speedwell is a creeping, broadleaf perennial often grown as an ornamental. It frequently escapes planting beds and becomes weedy, especially in lawns. Speedwell has oval, green leaves that form a solid, spreading mat, which choke out desirable plants

Spotted Spurge

Spotted Spurge is a low-growing, annual broadleaf weed. It has tiny, pale to dark green oval leaves that usually have a purple spot in the center. Tiny pink to white flowers bloom in late spring through summer. Stems ooze a milky white sap when broken. As with most members of the spurge family, sap can be a skin irritant.

Trumpet Vine

Trumpet Vine is a flowering, sprawling plant that produces orange and red trumpet-shaped blossoms that attract hummingbirds. The leaves are opposite each other and divided into 7 to 10 leaflets. It is commonly grown as an ornamental, but in many areas of the Eastern United States it has become an invasive weed, smothering desirable plants, trees, fences and poles. Trumpet Vine can climb or sprawl up 40 feet.

Wild Blackberry

Wild Blackberries are thorny, upright perennials that produce white flowers in spring, followed by edible fruit in late spring to summer. These fruit attract wildlife. The stems grow 3 to 8 feet tall in an arching shape and spread vigorously by underground runners. Leaves have hairy, jagged edges and are divided into groups of three to five. They are green on the top and silver on the underside. Plants can quickly overtake existing vegetation, turning it into a prickly cage.

Wild Geranium

Wild Geranium is a perennial broadleaf weed that prefers dry open areas but commonly invades garden beds and lawns. The hairy stems are green and pink in color, while the leaves are bright green and deeply lobed. Small clusters of pink to purple flowers bloom from spring into fall.

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Wild Onion

Wild Onion is a perennial, grass-like weed with long, green leaves that grow 10 to 15 inches tall and have an oniony aroma when crushed.


Dandelion is a perennial broadleaf weed that is probably the most common lawn weed in the United States. Dandelions begin growing in early spring and continue through summer and fall, and even winter in mild areas. The leaves are a bold green and have a jagged edge.


Mosses and algaes are nonparisitic plants that do not harm desirable plants but rather fill-in where growing conditions

Noxious Weed Identification

Proper weed identification is paramount to proper weed control. Properly identifying plants can help you avoid costly mistakes such as choosing the wrong herbicide or potentially causing harm to beneficial or even protected plants. It is the responsibility of each landowner in Utah to identify and control the noxious weeds on their own properties. Below is a listing and photographs of all State and County noxious weeds and some important invading weeds that are important for Uintah Basin residents to know about.

What makes a weed a “noxious weed?” The Utah Department of Agriculture and Food defines a noxious weed as “Any plant the commissioner (Commissioner of Agriculture) determines to be especially injurious to public health, crops, livestock, land, or other property.” See the Utah Noxious Weed Act 4-17-2.

The following state and county noxious weeds must be controlled by law (Utah Noxious Weed Act R68-9, Utah Code Annotated title 4 Chapter 17 and the Uintah County Weed Control Rules and Regulations).

As of 2016, Utah lists a total of 54 weeds on the noxious weed list. Additionally, these weeds have been classified into the following five categories:

Utah Noxious Weeds
Class 1A Weeds = Not known to exist in Utah. Significant risk of invasion from neighboring states.
Class 1B Weeds = Limited distribution in Utah. EDRR
Class 2 Weeds = Widely distributed in Utah, considered controllable
Class 3 Weeds = Widely distributed in Utah, considered beyond control, control expansion
Class 4 Weeds = Present in Utah. Prevent distribution through seed law
*Each county in Utah may have different priorities regarding specific State designated Noxious Weeds.
Therefore, each county may reprioritize these weeds as they see fit for their own needs.

Uintah County Noxious Weeds

Invasive Weeds
Other Important Invasive Weeds (not required by law to be controlled)