What Is Dayflower Weed?

Dayflower (Eriogonum spp.) is a common annual plant found throughout much of North America. It is native to Asia and was introduced into the Americas via European settlers. Its leaves are usually bright green with yellow margins, but it may have white or pink margins. Leaves grow up to 6 inches long and 2 inches wide, with 3-5 lobes from leaf axils. They are arranged in a fan shape. Flowers occur on stalks up to 5 inches long and 1 inch wide. The flowers have five petals, each containing three sepals and two pistil segments. Each flower has six stamens, which contain pollen.

How Does Dayflower Weed Affect You?

In addition to being a nuisance, dayflower weeds can cause damage to your property if they overgrow. These plants are very hardy and will continue growing year after year. They require little water and do not need fertilizer. However, their roots spread throughout the soil making them difficult to control once established. If left unchecked, these weeds can become a problem when they outnumber your available resources such as time or money to eradicate them.

How to Get Rid of Dayflower Weeds?

The easiest way to get rid of dayflower weeds is by pulling the plants from the ground. Pull the entire plant out of the soil and discard it. Do not discard the plant material in your compost or trash because it may resprout later. If you prefer, you can use a bucket of water to douse the weeds and be sure to keep your hands away from static electricity when doing this. Once you have pulled all of the weeds, dig a hole near them and discard the soil. This will prevent the weeds from resprouting.

Another way to get rid of dayflower weeds is by using an herbicide. Be sure to apply the herbicide to the plant’s foliage, but do not spray it on the flowers or their seeds. You should treat the weed during a dry period so that the chemical has maximum effectiveness and it quickly dries.

Dayflower weeds can be killed with the following herbicides. Always read and follow the instructions on the label.






How to Kill Dayflower Weeds in Your Lawn?

Removing dayflower plants by hand: This should be a fairly easy task since dayflower plants are small and do not have extensive root systems. Loosen the soil around the plants with a shovel or a trowel. Be sure to do this on a cloudy day or in the morning to avoid getting excess sun exposure. Grasp the plant with both hands and pull it up firmly. A lot of the time, the plant will come out completely, but sometimes you may have to dig around for parts of the root system still in the ground. If you are digging around in the soil, take care not to damage nearby plants because as we discussed earlier dayflower weeds are very invasive. Discard the plants and the root system far away from your lawn and never allow it to come into contact with your compost pile. If you have a large infestation, you may have to do this several times.

Using chemicals to kill dayflower weeds in your lawn: You can also kill your weeds using chemicals. If you choose this method, be sure to apply it at night or on a cloudy day to prevent the chemical from drifting onto your yard or garden plants. Apply herbicides in a thin layer to the top of the soil and try not to let it run off. It is also important to note that some common herbicides such as glyphosate will kill surrounding plants so be sure to read the herbicide’s label before using it.

Once you are done treating the weeds, water the soil well to help the chemical spread and soak into the ground. This will also help kill the roots of the dayflower plants. If you have a large lawn you may need to use more than one herbicide application.

How to Prevent Dayflower Weeds?

The best way to prevent dayflower weeds is by keeping your yard clean. If leaves or other plant material is allowed to collect on the ground, it gives the weeds a chance to get a strong root system and it will be difficult to get rid of the weeds later on.

You should also make sure that you are not spreading weed seeds around your property, whether on your clothing or on tools that you use in your yard. For example, if you are working in your flower bed and you step into some tall grass, the seeds from that grass can easily get stuck on your shoes. Next time you walk on your lawn or garden, you may be dispersing those seeds and allowing a whole new set of weeds to grow.

If you have pets or children who like to play outside, it is important that they stay away from areas where there are large amounts of soil or plants. This will reduce the chances of seeds being spread around and allow you to keep a better eye on them.

It is important to keep your yard clean because it not only prevents obnoxious weeds from growing, but it makes your yard look nicer and makes it easier to maintain on a day to day basis.

Dayflower Weed Control – How To Get Rid Of Dayflower Weeds - Image

Other Tips

If you are planning on planting something in your yard, avoid areas that have soil that is heavily infested with dayflower plants. Weeds tend to be very invasive and if you plant new flowers or bushes in these areas, the weeds will eventually take over and outnumber your flowers. It may be best to put in some sort of edging to prevent the weeds from spreading.

As stated before, dayflower plants do have a certain appeal to them. While they may be a nuisance in your yard, you don’t want to completely destroy this plant since it is so attractive. If you decide that you want to get rid of all the dayflower plants in your yard, consider planting some more useful flowers that are less likely to take over your yard, such as:

If you need to get rid of dayflower plants in your yard, there are many ways to do so. Using the method that is most suitable for your situation will help to ensure that you get rid of these plants for good.

Sources & references used in this article:

The critical period of Bengal dayflower (Commelina bengalensis) control in peanut by TM Webster, WH Faircloth, JT Flanders, EP Prostko… – Weed science, 2007 – BioOne

Competition of spreading dayflower (Commelina diffusa) with rice (Oryza sativa) by RJ Smith Jr – Weed Science, 1984 – JSTOR

Evaluation of factors that influence Benghal dayflower (Commelina benghalensis) seed germination and emergence by MH Sabila, TL Grey, TM Webster, WK Vencill… – Weed science, 2012 – BioOne

Basagran for dayflower control in rice. by JW Daniel – Basagran for dayflower control in rice., 1974 – cabdirect.org

Prodiamine Suppresses Spreading Dayflower (Commelina diffusa) Facilitating Hand-Weeding in Leatherleaf Fern (Rumohra adiantiformis) Ground Beds by RH Stamps – Journal of Environmental Horticulture, 1993 – meridian.allenpress.com

Weed thresholds in southern US rice, Oryza sativa by RJ Smith Jr – Weed Technology, 1988 – JSTOR

Herbicide mixtures to control dayflowers and drift effect on Coffee cultures by PJ Steptoe, WK Vencill, TL Grey – ZEITSCHRIFT FUR PFLANZENKRANKHEITEN …, 2006

Effect of bonny light crude oil pollution of soil on the growth of dayflower (Commelina benghalensis L.) in the Niger Delta, Nigeria by NM Freitas, FCL Freitas, IF Furtado, MFF Teixeira… – Planta Daninha, 2018 – SciELO Brasil



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