Kansas weeds identification

weed competition. Once you are sure soil fertility and pH are correct, use the four control methods below in combination to fight weeds. The effec-tiveness of control methods depends on timing. • Grazing management is one way to control weeds in a pasture situation. This control allows desired plants to become strong and outcompete the weeds.

Jul 27, 2016 · weed competition. Once you are sure soil fertility and pH are correct, use the four control methods below in combination to fight weeds. The effec-tiveness of control methods depends on timing. • Grazing management is one way to control weeds in a pasture situation. This control allows desired plants to become strong and outcompete the weeds. Euphorbia / Photo by Sukkoria / Wikimedia / CC BY-SA 4.0. Spurge is an aggressive weed that forms a dense mat over the ground or in parts of your lawn. It has long stems or runners with opposite leaves that have dark spots on them. This weed is particularly common in hot and dry regions and thrives in compacted soils.Appearance: Identify this weed groundcover by its fleshy, dark green leaves and small yellow flowers at the ends of the stems. Control: Mulch your garden to prevent purslane or use a pre-emergent herbicide in the spring. Pull plants by hand or spot-treat with a nonselective herbicide. 12 of 33.Pokeweed is an erect herbaceous perennial shrub, 4 to 10 feet tall and 3 to 5 feet wide, with large leaves and showy purple-black berries. It has a smooth, stout, purplish stem that branches extensively and can reach up to 2 inches in diameter. The bright green, elliptic leaves are smooth, tapered, and alternate on the stem.9) White Clover. White clover is a broadleaf weed that’s commonly found in turfgrass throughout Kansas City. It has 3 rounded leaflets that are usually bright green in color, which typically show off a faint white chevron shape (but not always). These leaves are accompanied by tiny white flowers as the plant matures.Kansas : Weed Control in No-Till Corn, Grain Sorghum, and Soybean Production: Nebraska: G899: Weed Control in No-Tillage Systems (pdf) Indiana: CT-2: Weed Control in Soybeans: Nebraska: ... ID-100: Weed ID and Herbicide Injury Diagnosis (pdf) Iowa: AG146: Pesticide Labeling: Wyoming: MP-93.2: Method of Calibration - Calibrating Multiple …sioners, the noxious weed super-visor, and the landowner in regards to the Kansas Noxious Weed Law. • Identify the two classes of pesticides. • Know what information you are required to record on all restricted use applications and how long to keep these records. • Understand what records of sale must contain. Kansas Noxious Weed Law Wet Weather and Weeds; Save The Date! The 3rd Annual UAV/Ag Technology Field Day on July 15th; Hail Damage and Your Cotton Crop; Upcoming Extension Meetings - May 2019 - UC Small Grains - Alfalfa/Forages Field Day; Weed Identification - Why it's important and where to go for help

If the plant is considered undesirable, the identification will be forwarded to a weed scientist for recommendations on control. Dr. Mark H. Mayfield is the plant identification …Description. Bermudagrass is a perennial creeping weed that can establish expansive root networks of over 2 metres in-depth, even in poor soil. Cynodon dactylon has become a feature of warm climates and is an invasive weed in the southern US states. Above ground, it is a grass with grey-green blades on an erect stem.sioners, the noxious weed super-visor, and the landowner in regards to the Kansas Noxious Weed Law. • Identify the two classes of pesticides. • Know what information you are required to record on all restricted use applications and how long to keep these records. • Understand what records of sale must contain. Kansas Noxious Weed LawThis publication is designed to help you identify common weeds found in southeastern North Carolina pastures, hayfields, and sprayfields. It presents descriptions and pictures of some of the most common weeds, and it provides references for other weeds that are not in this publication. Weeds are categorized here as broadleaf, grass, …16-Jun-2022 ... 11 Most Common Lawn Weeds (and How to Get Rid of Them) · 1. Dandelion (Taraxacum) · 2. Crabgrass (Digitaria) · 3. White clover (Trifolium repens) ...Another common species, Velvety Gaura, has soft, wavy- edged leaves and small, rose-pink flowers. Bloom Period: Aug | Sep | Oct. □ Long-flower Butterfly-weed.No weed identification guide would be complete without crabgrass! Crabgrass is a summer weed that sticks out in your lawns like hives from a bad shellfish allergy. This large, wide bladed grass has smooth edges and crinkled at the base. Hairs are also common where the leaves connect. Seed heads grow throughout the summer and has six long spikes.

Identify, explore and share your observations of wild plants ᱥᱟᱱᱛᱟᱲᱤ Identify, explore and share your observations of wild plants. Pl@ntNet is a tool to help to identify plants with pictures. ... Weeds Weeds in agricultural fields of Europe 1,414 Species - 3,888,746 Images Identify Explore Contributions. Invasive plants ...Common weeds in Kansas include Canada thistle, quackgrass, leafy spurge, bur ragweed, pigweed, spotted spurge, dandelion, violet, and clover. These weeds compete with desirable plants for resources, cause soil erosion, and even release harmful chemicals into the soil. See moreYou can find morning glory vines with white flowers, purple flowers, pink flowers, blue flowers, red flowers, orange flowers, and sometimes bi-colored flowers. The flowers bloom from June to November. The leaves grow alternately along the vine and are usually heart-shaped. The leaves grow 3-5 inches long and are sometimes glossy.Wildflowers are listed on this website by their most commonly observed color. The accompanying descriptive information should be read to determine if an individual plant will exhibit alternate flower coloration. Blue, Purple, Lavender, & Violet Wildflowers. Pink, Red & Orange Wildflowers. White, Green, & Greenish White Wildflowers.Kansas lawn weed identification. VeebQuackgrass is a perennial weed that acts similarly to Torpedograss in the south. It has a deep root system with ...3. Western horse-nettle. The Western horse-nettle, also called Potato-weed, is a wildflower that grows mainly in the southern two-thirds of the eastern part of Kansas. The plant has bluish-purple wheel-shaped flowers and can be found in prairies, fields, open woods, roadsides, and waste areas.

What kind of car does patrick jane drive.

Shopping for a new car can be an intimidating experience. With so many options and dealerships to choose from, it can be difficult to know where to start. CarMax Kansas City is a great place to begin your car-buying journey.14. Slender Speedwell (Veronica filiformis) Slender speedwell is a lovely perennial weed with shallow roots and white or bluish-purple flowers. The Virginia Tech weed identification guide also notes that slender speedwell has sparsely hairy leaves of a similar shape regardless of their location on the plant.9780700602247 Published: June 1983 $21.95 Buy Description Authors Table of Contents This handbook illustrates and describes the 200 kinds of common weeds found in Kansas along roadsides and in yards, gardens, and cultivated fields. Designed ...A highly invasive thistle related to the musk thistle, Kansas’ second most abundant noxious weed. The state’s first population was found, and eradicated, in 2013 ...

14. Slender Speedwell (Veronica filiformis) Slender speedwell is a lovely perennial weed with shallow roots and white or bluish-purple flowers. The Virginia Tech weed identification guide also notes that slender speedwell has sparsely hairy leaves of a similar shape regardless of their location on the plant.Sep 20, 2023 · K-State Extension Wildlife Management. Kansas State University 1603 Throckmorton Hall Manhattan, KS 66506. 785-532-1949 785-532-6949 fax [email protected] Weeds are a diverse bunch; there are more types of weeds than there are flavors of coffees at your favorite coffeehouse. For this post, we’ll focus on broadleaf weeds that are common in Kansas, Missouri, and Oklahoma. By definition, broadleaf weeds are ‘dicots with paired cotyledons (two seed leaves that usually appear during germination ...Thorny Weeds: 13 Common Varieties. Plants grow sharp spikes to protect from predators and for seed dispersal. People refer to these growths as thorns, but technically not all of them are classified as …Listing of edible weeds that are free and nutritious food. Easy identification via images and distinguishing features such as leaves, flowers and habitat. ... While we strive to be 100% accurate, it is solely up to the reader to ensure proper plant identification. Some wild plants are poisonous or can have serious adverse health effects.19-Feb-2008 ... This guide includes helpful information on identifying weeds in Louisiana rice. The publication contains a schematic guide to help with ...Shopping for a new car can be an intimidating experience. With so many options and dealerships to choose from, it can be difficult to know where to start. CarMax Kansas City is a great place to begin your car-buying journey.Weed Identification. Purslane is a summer annual weed that grows as tall as 6 inches with a breadth of up to 2 feet. Purslane is a succulent with stems that are thick and round at the base of the plant. The succulent weed is very tolerant of drought and heat and only grows in the hottest months of the year.13. Michigan Lily. Michigan Lily. The Michigan Lily (Lilium michiganense) is a common orange wildflower round in prairie habitats. It grows to five feet in height and two feet in width. The flowers are a beautiful orange with dark spots and recurved petals. It is often cultivated for ornamental purposes.Marijuana is illegal in Kansas. There are some exceptions to that statement, namely that of Wichita. However, anywhere else, being caught with any amount will see …Our guide will help you keep your garden or landscaping weed-free and looking great. Don't let aster weeds take over, take control today! 2014 45th St. Galveston, Texas 77550. Mon – Sat: 9:00am–18:00pm. Sunday CLOSED +1 (409) 966 ... A Guide to Identification and Uses. May 01, 2023; Spring's vibrant aster leaves add color to gardens.

Even today, nettles are steamed and dried for stews and tea. However, this plant is often also seen as a noxious weed that dominates disturbed areas in or near forests, or in clearings with moist, fertile soil. 2. Take a look at the entire plant. Stinging nettle is primarily single-stalked, and a perennial.

K-State Extension Wildlife Management. Kansas State University 1603 Throckmorton Hall Manhattan, KS 66506. 785-532-1949 785-532-6949 fax [email protected] are pesky and can quickly take over your garden or lawn. If you’re looking for an effective and natural way to get rid of them, then a DIY natural weed killer is the perfect solution. Here’s a step-by-step guide on how to make your ow...Kansas Noxious Weeds. There are 12 plant species designated as noxious weeds in Kansas. Other species may be designated as county option weeds. Check with your County Weed Department to find out if any …Poison ivy is a noxious woody weed that grows as a groundcover, a shrub, or a climbing vine weed. Poison ivy is well-known for the uncomfortable rash that develops after you touch it, so be careful if you find this vine weed in your turf grass. The rash is caused by an oily resin called urushiol that’s present in the leaves, stems, and roots ...Sep 28, 2023 · 2. Common Daisy. Botanical name: Bellis perennis. Height: 1 to 3 in (2.5 to 7.5 cm) Notes: A low hairy perennial with spoon-shaped leaves and white multi-petalled flower heads often tinged with pink tips rising from the basal rosette. A common weed in lawns. Leaves are easy to burn with vinegar. Common daisy. Identifying Common Weeds Size and Growth Habits. Common weeds in Kansas can vary in size and growth habits. Some weeds can grow up to 6 feet... Leaves and Stems. Leaves and stems are important characteristics to identify common weeds. Leaves can be simple or... Flowers and Fruit. Flowers and fruit ...2. Common Daisy. Botanical name: Bellis perennis. Height: 1 to 3 in (2.5 to 7.5 cm) Notes: A low hairy perennial with spoon-shaped leaves and white multi-petalled flower heads often tinged with pink tips rising from the basal rosette. A common weed in lawns. Leaves are easy to burn with vinegar. Common daisy.Learn how to identify common weeds in Kansas with this handy guide from the Southeast Area Extension Office of Kansas State University. The guide includes photos, descriptions, and management tips for 46 weed species. Download the pdf file and improve your weed control skills. Useful tools for identifying weeds include a ruler or folding rule to measure plants and plant parts; a hand lens or magnifying glass for examining small plant parts or features; a trowel, spade, or digging fork for exhuming intact root systems and other underground structures; and a weed identification guide or manual (Fig. 1). Figure 1. Some ...How to Identify Weeds Learning to identify weeds is a skill that takes some practice, but there’s lots of help available to help you develop an eye for weed ID. Cornell has a Weed …

Kite portal.

Wikipiedia.

Common Lespedeza is common in the Southern United States, north to Pennsylvania and west to Texas, Kansas and. Missouri. Annual Lespedeza. American Burnweed.Henbit. This biennial weed is also called dead-nettle and is quite invasive. Henbit is a biennial plant that grows in agricultural areas, gardens, landscapes, and roadsides. The plants can grow to 1.3 feet tall, and they are readily identifiable by their heart-shaped leaves and square-shaped stems.Sep 11, 2023 · K-State home » Horticulture and Natural Resources » Turf and Landscape Information » Publications and Resources » Lawn Problem Solver » Lawn Problems » Weeds » Broadleaf Weeds Turfgrass Information Broadleaf Weeds Choose the weed you are observing. Kansas Weeds Identification Guide (2023) Do you want to learn about the different types of Weeds in Kansas? Finding an Identification Guide to Weeds in Kansas was not as…For further information about noxious weed identification, control options ... specified weeds. Page 4. 2. Index of Invasive Plants by Common Name. Common name.Bayberry – Myrica pensylvanica Loisel. (Google Images) Bearberry – Arctostaphylos uva-ursi (L.) Sprengl. (WeedImages.org) Bedstraw, catchweed – Galium aparine …Plant Identification Resources for learning to see native plants. Spring in the Flint Hills of Kansas. Photo: Scott Bean KNPS Online Resources www.KSWildflower.org Search by: Color of Flower Month in Bloom Common Name Scientific Name View 8783 identification photos for 1025 species of forbs, grasses, sedges, rushes, trees, and other woody plants found growing in weed list : Pink to purple; occur in clusters at ends of branches : Tops of leaves are hairy and prickly (unidirectional); underside is cottony with prominently raised main veins : Spiny winged : 1-6feet : Biennial : Red flowers ; Cirsium andersonii : Anderson's thistle ; Native, not on noxious weed list : Rose red to reddish purple; single upright3. Western horse-nettle. The Western horse-nettle, also called Potato-weed, is a wildflower that grows mainly in the southern two-thirds of the eastern part of Kansas. The plant has bluish-purple wheel-shaped flowers and can be found in prairies, fields, open woods, roadsides, and waste areas.The first step is to identify the weed and know in which group it belongs. This tells you when it is the best time for control. Let’s look at a few groupings: Annual grassy weeds are best controlled by using a preemergent in the early spring. These products work by attacking the weed seed as it germinates and, thus, preventing establishment. ….

This page contains color photographs of Kansas grasses. KANSAS GRASSES : Arrowfeather threeawn: Barnyard grass: Beaked panic grass: Bermuda grass: Big bluestem: Blue grama: Bottlebrush grass: Broad-leaf wood-oats: Broomsedge bluestem: Buffalo grass: Canada wild rye: Carolina lovegrass: Caucasian bluestem: Common reed:Having a weed-free lawn is the goal of many homeowners. Unfortunately, weeds can be hard to get rid of, and it can take a lot of time and effort to keep them away. Fortunately, there are a variety of lawn weed killers available that can hel...This brilliant worksheet is perfect for teaching KS2 children about identifying plants.With photos of a range of British weeds, shrubs and flowers, it is ideal for taking on a nature walk. Why not have a look round the school grounds or the local park? Budding horticulturists could even take it home and practise identifying plants in the garden.Use …Nov 19, 2021 · This page contains color photographs of Kansas grasses. Kansas Trees, Shrubs, and Woody Vines Here are the main care requirements for growing jewelweed: Plant jewelweed in a shaded area where the soil remains moist; avoid full sun, dry, or drought conditions. Sow seeds close together so the plants can help to support each other as they develop taller stems but space seeds farther apart if you prefer shorter flowers.Kansas Weeds Identification Guide (2023) Search. Search for: I'm Paul. I'm a dad, and I love gardening. Voila! I'm The Gardening Dad! It's my goal to educate on how to grow, garden, and feed families in a simple, easy, and cost-friendly way. Enjoy digging around all The Gardening Dad articles.Pokeweed is an erect herbaceous perennial shrub, 4 to 10 feet tall and 3 to 5 feet wide, with large leaves and showy purple-black berries. It has a smooth, stout, purplish stem that branches extensively and can reach up to 2 inches in diameter. The bright green, elliptic leaves are smooth, tapered, and alternate on the stem.North Carolina State University – Turf Weed ID. Penn State University – Center for Turfgrass Science – Plant ID page. Purdue University – Turf Weed Identification. Texas A&M University – Turfgrass Weed Identification. University of Georgia – Turfgrass Weeds. University of Illinois Turfgrass Program – Midwestern Turfgrass Weed ...Weeds can be a nuisance in any garden or lawn, but using bleach to kill them can be an effective and inexpensive way to get rid of them. While it is important to use bleach safely and correctly, it can be a great way to keep your garden loo... Kansas weeds identification, Pigweeds (Amaranthus spp.) are difficult to identify from each other. But identification is crucial for developing a successful weed management program, particularly in an agricultural landscape that is heavily reliant on herbicides (and where resistance is common). Species can also differ in their growth rates, which can impact the success of …, There are 12 plant species designated as noxious weeds in Kansas. Other species may be designated as county option weeds. Check with your County Weed Department to find out if any other species have been designated as noxious in your county. Kansas Noxious Weed List Category A Weeds, Apr 5, 2005 · Plants for the Heartland "The content and arrangement of the book shows thoughtful consideration for the reader. This arrangement, and the presentation, ensures the book will be useful to a wide audience of Kansas’s plant fans from the casual observer to the more serious enthusiast looking for in-depth information." , Kansas Weeds Identification Guide (2023) March 31, 2023 . Here is the BEST Time to Fertilize Wax Plant in Illinois (2023 Guide) Search. Search for: I'm Paul. I'm a dad, and I love gardening. Voila! I'm The Gardening Dad! It's my goal to educate on how to grow, garden, and feed families in a simple, easy, and cost-friendly way. Enjoy digging ..., Kansas Weeds Identification Guide (2023) #1. Bittercress (Cardamine hirsute). Small and fast-growing. About 4 – 12 inches tall. Its leaves are deeply lobed. Has... #2. White Clover (Trifolium repens). Wedge-shaped leaflets. The leaves are serrated at the margins. Low-growing and are... #3. Black ..., Learn how to identify common weeds in Kansas with this handy guide from the Southeast Area Extension Office of Kansas State University. The guide includes photos, …, The most effective weed control is a flourishing lawn because it’s more competitive and will crowd out grassy weeds. Weed seeds need light to grow, which a dense lawn blocks out. To keep your lawn lush, healthy and competitive, try: Fertilization. The right type and application method makes all the difference. Mowing., This publication discusses the identification, distribution, use, and value of 144 forbs, 4 cacti, and 19 shrubs. These species are some of the most common and important plants on the prairies, rangelands, and pasturelands in Nebraska. Values of individual species range from being highly desirable to troublesome, even poisonous, weeds., If you are looking for a new or used Lexus in Kansas, there are several things you can do to find the best deals. In this article, we will discuss how to find the best deals on Kansas Lexus cars., Sep 28, 2023 · 2. Common Daisy. Botanical name: Bellis perennis. Height: 1 to 3 in (2.5 to 7.5 cm) Notes: A low hairy perennial with spoon-shaped leaves and white multi-petalled flower heads often tinged with pink tips rising from the basal rosette. A common weed in lawns. Leaves are easy to burn with vinegar. Common daisy. , 19-Feb-2008 ... This guide includes helpful information on identifying weeds in Louisiana rice. The publication contains a schematic guide to help with ..., Home > Divisions & Programs > Plant Protection and Weed Control > Noxious Weed Control Program > Kansas Noxious Weed List Kansas Noxious Weed List Category A weed list Expand all Hoary cress (Lepidium draba) Leafy spurge (Euphorbia virgate) Welcome to the Kansas Department of Agriculture website., Thistle Identification. Oklahoma’s Noxious Weed Law, first enacted in 1994 in four counties in northeastern Oklahoma (Code 35:30-36-13) was amended in 1995, 1998 and 1999. The current law declares musk, scotch and Canada thistles to be noxious weeds and public nuisances in all counties of the state. There are about a dozen purple-flowered ..., Field bindweed — A non-native perennial in the morning glory family with arrowhead-shaped leaves and white to pink bell-shaped flowers. This Eurasian plant is found throughout Kansas and spreads via a fleshy root system and by seed. Sericea lespedeza — A short-lived perennial in the bean family native to Asia., Musk thistle — A biennial in the aster family and is native to Eurasia. Found throughout Kansas, the plant forms a rosette of spiny, white-edged leaves during the first year. The …, sioners, the noxious weed super-visor, and the landowner in regards to the Kansas Noxious Weed Law. • Identify the two classes of pesticides. • Know what information you are required to record on all restricted use applications and how long to keep these records. • Understand what records of sale must contain. Kansas Noxious Weed Law, Sabbaths 1999 II” ― Wendell Berry. Natural Kansas Prairie Ragwort (Packera plattensis) Photo: Matthew Richter Did You Know? Kansas has more than 2,200 native plant species, from wildflowers, grasses, trees, shrubs, and vines, to ferns, mosses, liverworts, and more. Want to know more about four main groups of native plants in Kansas? Click ... , Jun 17, 2020 · Because of its adaptive nature and with seeds that are dispersed by winds, the creeping thistle is seen as one of the most invasive weeds globally. 9. Common Mullein. Common mullein (Verbascum thapsus) is a biennial plant original to Europe, Asia, northern Africa, and introduced in the US and other countries. , This information about field crop weeds was developed from the publication An IPM Pocket Guide for Weed Identification in Field Crops by Wesley Everman, Christy Sprague, Steven Gower and Robert Richardson. Purchase this in a pocket-sized guide for reference from the MSU Extension Bookstore (publication E3081). For reference:, For 35 years, Janét E. Bare’s popular book Wildflowers and Weeds of Kansas has been one of the standards for plant identification in Kansas. When I moved back to Kansas in 1998 with a fresh botany/ecology degree, a new job in environmental consulting that required plant identification, and a desire to know the name of every plant I could find, I knew that Bare’s hardback book with mostly ..., Wild parsnip ( Pastinaca sativa) is an herbaceous, biennial/perennial, invasive plant. This plant can thrive in a wide range of environmental conditions from dry to wet soils. Wild parsnip most commonly invades areas with disturbed soils. It is commonly found throughout New York growing in pastures, abandoned fields, and along roadsides., Broomrape, Single-flower – Orobanchne uniflora (Google Images) Browneyed Susan – Rudbeckia hirta (WeedImages.org) Bryony, white – Bryonia alba (WeedImages.org) Buckwheat – Fagopyrum esculentum (WeedImages.org) Buckwheat, wild – Polygonum convolvulus (Google Images) Bulrush, black – Scirpus atrovirens Willd., Weeds – Identification with Pictures. wild violet. Weed control in the landscape is a tough business. You have to know a lot about the weed in question just to get started! As in most situations, a picture is worth a thousand words. Go through the sites below, identify your weed, then choose your method of weed control., Kansas lawn weed identification. VeebQuackgrass is a perennial weed that acts similarly to Torpedograss in the south. It has a deep root system with ..., No. In Kansas, marijuana for any purpose is illegal. Only CBD with 0% THC is legal in the state. Kansas law places no restrictions on where CBD can be consumed but it may not be smoked or vaporized in flower form, as many cannabis consumption accessories are criminalized as drug paraphernalia. Patients or parents of minor patients with ..., Horticultural vinegar with a 20-30% acetic acid solution can burn and kill weeds. Applying vinegar to the foliage kills the weed above ground and can prevent some weeds from regrowing. For killing weeds that regrow from the root system, you can soak the root zone with vinegar to kill the sticker weed., Plant Identification Resources for learning to see native plants. Spring in the Flint Hills of Kansas. Photo: Scott Bean KNPS Online Resources www.KSWildflower.org Search by: Color of Flower Month in Bloom Common Name Scientific Name View 8783 identification photos for 1025 species of forbs, grasses, sedges, rushes, trees, and other woody ..., Weed seed % - The amount of weed seeds, by weight, included in the container. State law restricts the number of seeds allowed per pound. ... Only Kansas noxious weed seeds are prohibited. Inert matter - Anything in the container that is not a seed. Other Crop Seed - All kinds and varieties of agricultural seeds not specifically named on the label., Weed Identification - Kansas Crop Improvement Association. EN. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk ..., Found throughout Kansas, especially in the north half. Bull thistle — A biennial in the aster family. The plant has a stalk of dark purple flowers with a ring of stiff spines at their base. Found throughout Kansas, this Eurasian plant is common along roadsides and other disturbed sites. Bull thistle is a county-option weed., Red clover is a very common garden weed that you’ll often find growing on your lawn. It’s immediately recognizable by its dark pink flowers. Each flower head consists of 40-100 small flowers clustered together. The plant grows in clumps and patches. And develops spreading or erect stems with the flower head at the top., Description. Bermudagrass is a perennial creeping weed that can establish expansive root networks of over 2 metres in-depth, even in poor soil. Cynodon dactylon has become a feature of warm climates and is an invasive weed in the southern US states. Above ground, it is a grass with grey-green blades on an erect stem., Fall is the best time to control broadleaf weeds. Late October through early November is the most effective time to control broadleaf weeds in lawns. Dandelions usually produce a flush of new plants in late September, and the winter annual weeds henbit and chickweed germinate in October. These young plants are small and easily controlled with ...