dandelion being pulled from soil with a gardening toolThe first defense against weeds is to promote vigorous lawn growth. When the grass density is high, weeds have a hard time finding space to grow, which is why they always thrive best in sparse areas. 

Proper fertilization, watering, and mowing are very important for vigorous lawn growth. In addition, frequent cutting is complemented by hand-pulling the young weeds before their root development complicates this task. 

A comprehensive weed control program also includes herbicides. They are fundamental agrochemicals that must be applied at specific times of the year, and selected appropriately so as not to damage the grass that we intend to maintain.

What do we mean by weeds?

Weeds are unwanted plants that grow in the wrong place and ruin the aesthetics of your garden. Weeds compete with grass and other plants for the use of space, light, nutrients, and water. 

Some weeds act as secondary hosts to different insect pests, pathogens, and nematodes such as aphids, root nematodes, root rot fungi, phytoplasmas, and other unwelcome bugs. The presence of weeds can also affect the efficiency of work in the garden. For example,  allergies (ragweed) or skin irritation from direct contact can make the most avid gardener shy away.

Types of Herbicides

According to the way the herbicide acts, we can classify them into:

According to the moment of action:

More Lawn Tips:  Winter Lawn Care Tips

Our friends at Texas Agrilife Extension have additional helpful information on both pre- and post-emergent herbicides, and which plants they work best on.

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Weed Control

Common Post-Emergent Herbicides:

Never apply post-emergent herbicides in stressful situations – such as high temperatures or drought – because the grass will be damaged and the effect will be poor. On mature lawns there is nothing better than applying the correct pre-emergence in early fall and in spring. Then, post-emergent treatments can be done in the last month of these seasons, according to the species detected.

Ryno Lawn Care offers weed control services in several D/FW metroplex cities. Get instant pricing for mowing and fertilization.

We can remove them by pulling them off by hand or with chemical products.

Manual removal:  Plucking them by hand or with a hoe. It is a good option when the natural grass plot is small, at most 100m², and it is not heavily populated with weeds. 

You will have to take care that they come out by the roots. Some will not emerge again once removed. But with other species it will be necessary to monitor and continue to remove them until they weaken and stop sprouting.

Herbicide elimination:  When it comes to Dicotyledons (broad-leaved herbs like clover) it is easier to kill them. The problem is with Monocotyledons, since they are from the same family as natural grass and a not very selective use of the herbicide could damage it as well.

Check out our Lawn Weed Identification Guide to learn which treatments will be most effective for your yard, based on what you’re up against.

More Lawn Tips:  How Often to Water Grass in the Winter

Weed Screening in Winter

Weeds are found in all gardens/lawns, but there is great variation between the species growing in each and the population densities they harbor. In the same way that screening for insects and diseases is part of any integrated pest management approach, so screening for weeds is the primary element of any integrated weed control.



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