
Living in North Texas, you're no stranger to the pesky weeds that seem to pop up in your lawn at the most inconvenient times. One of the most common types is the Dallisgrass, a perennial grassy weed that thrives in the region's warm and humid climate.
The Dallisgrass is a master of disguise, often masquerading as a desirable grass species until it's too late. It's also highly invasive, spreading quickly and outcompeting native grasses for water and nutrients.
If you're tired of dealing with Dallisgrass, you're not alone. Many North Texas residents have found success in controlling the weed with regular mowing and proper lawn care practices. By keeping your lawn at a height of 3-4 inches and maintaining a consistent mowing schedule, you can reduce the Dallisgrass's ability to spread and thrive.
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Identifying and Understanding North Texas Lawn Weeds
Identifying weeds is crucial to controlling them effectively. It's not just about pulling them out, but understanding their type and behavior.
Some weeds are annuals, meaning they germinate from seeds and die in the same year, while others are perennials that can live for two or more years and are harder to eradicate. Knowing whether a weed is an annual or perennial will help you choose the right treatment.
Proper identification is key to selecting the right herbicide, as different types of weeds require different treatments. For example, herbicides may work differently on certain species of weeds or specific groups of weeds.
Importance of Identification
Identifying the type of weed in your lawn is crucial, as herbicides work differently for various species. Some herbicides are more effective for specific groups of weeds, making identification a must.
You'll want to know whether the weed is an annual or perennial plant, as annuals are easier to control and remove. Annual plants germinate from seeds and die all in the same year, whereas perennials can live for 2 or more years and are harder to eradicate.
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Blindly treating weeds is ineffective and can actually exacerbate the problem. If you're not sure what type of weed you're dealing with, it's best to have a professional lawn care company take a look.
In North Texas, lawn weeds can be particularly pesky, and controlling them requires knowledge of the specific type of weed. This information will help you choose the right product at the right time.
A year-round lawn care program can help prevent many weeds from appearing, but it's also essential to address weeds after they appear. Proper mowing, watering, and fertilization can promote healthy turf growth, making your lawn more resilient to weeds.
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Chickweed: The Stealthy Groundcover
Chickweed is a sneaky lawn weed that can quickly take over your North Texas lawn. It forms low, sprawling mats with small white flowers and oval leaves, and favors shady, damp areas. Chickweed thrives in North Texas' humid spring weather and will survive light frosts.
If this caught your attention, see: Chickweed Lawn Weeds
To control chickweed, you'll want to apply pre-emergent herbicides in early fall, as it germinates in late fall and winter. This timing is crucial, as it helps prevent the weed from establishing itself in your lawn.
If you already have chickweed, you can use post-emergent herbicides containing MCPP or quinclorac. However, be sure to apply them on calm, dry days to avoid wash-off from sudden spring storms.
Reducing moisture in shaded areas can also help control chickweed. Improve drainage by adding organic matter or installing a French drain, and avoid overwatering your lawn.
Additional reading: What to Put on Lawn in Fall to Kill Weeds
Common Broadleaf Weeds
Broadleaf weeds are a common sight in North Texas lawns. They're easy to spot due to their distinct leaf and flower growths.
One of the most recognizable broadleaf weeds is Henbit, which has square stems, scalloped leaves, and small purple flowers. It spreads rapidly in the fall through spring, forming dense mats that smother grass.
Henbit thrives in North Texas' mild spring temperatures and moist soil, making it a problem for many lawns. To stop it, apply a pre-emergent herbicide in late fall or early winter, or use a selective herbicide in early spring.
Some other common broadleaf weeds in the area include Spurge, which has a milky sap when its stem is cut and a purple spot in the middle of its leaves. Both Prostrate Spurge and Spotted Spurge are common species, with the latter growing more erect than the former.
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Three Main Groups
In the North Texas area, you'll encounter three main groups of weeds in your yard. Broadleaf weeds are the easiest to spot, with leaf and flower growths that make them obvious.
Broadleaf weeds can be identified by their distinctive morphology, and they tend to be the first group of weeds that you'll notice in your yard. They often have a more noticeable presence than grassy weeds, which can blend in with the grass.
Grassy weeds, on the other hand, can be tough to remove and tough to notice. They tend to blend in with the grass, especially in mowed lawns where their seed spikes are mowed down.
Sedges are another group of weeds that you may encounter, and they're grass-like in appearance but have triangular-shaped stems. They can be tricky to identify, but they're an important group to know about.
Here's a quick rundown of the three main groups of weeds:
By understanding these three main groups of weeds, you'll be better equipped to identify and tackle them in your yard.
Purslane
Purslane is an annual broadleaf weed that thrives in rocky environments like cracks in cement and brick. It's resistant to heat and drought, and begins to appear when soil temperatures increase, popping up in the spring and lasting through the hot Texas summer.
Purslane grows outward horizontally in an entwined, matted manner with thick, purple/red stems. Its leaves are green, fleshy, relatively thick, and oval in shape, growing alternately all along the stems.
The weed is adorned with small, cup-shaped yellow flowers that usually consist of 5 petals, producing seed pods that help purslane spread. Broken bits of its stem or root can also spread the weed.
Pulling a purslane weed can be an effective removal method, but any seeds or stem fragments left behind will grow new weeds. This makes DIY removal tricky, as seeds and stem or root fragments could easily be left behind trapped underground or under pavement.
Your best option is to have purslane professionally treated with a broadleaf weed product, as this will ensure the weed is fully removed and won't grow back.
Common Grass Weeds
In North Texas, several types of grass weeds can wreak havoc on your lawn. Crabgrass is one of the most notorious, thriving in hot summers and spreading rapidly. It has wide, coarse blades that grow in a star-shaped pattern and can dominate weakened lawns.
Crabgrass loves North Texas' hot, dry summers and starts germinating in spring when soil temperatures reach 55–60°F. This fast-growing annual can be difficult to control, but there are ways to stop it. Applying a crabgrass-specific pre-emergent in early March can help prevent it from germinating.
Rescuegrass is another winter annual weed that thrives in cold winter weather and can be challenging to remove once it's taken over. It forms in bunched clumps and has hairy stems, making it difficult to distinguish from turfgrass. If you have a thick, healthy lawn, it's less likely to be overrun by these weeds.
Dallas Grassy Common
The Dallas Grassy Common is a prime example of how quickly common grass weeds can take over a lawn.
The Dallas Grassy Common is a type of invasive grassy weed that is often found in lawns and fields.
It can grow up to 3 feet tall and has a wide, flat seedhead that is typically 2-3 inches long.
This weed is often mistaken for a type of native grass, but it's actually a non-native species that can outcompete native grasses for water and nutrients.
The Dallas Grassy Common is particularly problematic in areas with poor soil quality, as it can thrive in conditions where native grasses might struggle to survive.
It's not uncommon for homeowners to try and control this weed by mowing it down, but this can actually make it worse, as it can spread its seeds more easily when cut.
Rescue Grass
Rescue Grass is a winter annual weed that thrives in cold weather throughout the southern United States. It's a problem weed during winter and spring seasons until it dies off in the heat of summer.
Rescue Grass can be difficult to distinguish from turfgrass, but it forms in bunched clumps and features seed spikelets. The stems are round and hairy with sheaths compressed in a tube-like manner along the stem.
Applying a fall pre-emergent weed product can help prevent Rescue Grass. However, it can be challenging to remove once it's taken over.
Rescue Grass can reproduce from its many seeds or from fragments of its root system. It's hardy and well adapted to survive cold and drought.
If you find Rescue Grass in your lawn, treating it with a post-emergent herbicide from January to early March can be effective. However, professional control may be necessary for severe infestations.
Here's a quick summary of the key facts about Rescue Grass:
Maintaining a thick, healthy lawn is your best defense against Rescue Grass. Regular mowing, watering, and fertilization can help keep your lawn competitive and prevent weeds from taking over.
Dallisgrass
Dallisgrass is a perennial grassy weed that primarily occurs in the southern United States and thrives in wet environments with sandy-clay soils.
This weed is notoriously difficult to control due to its aggressive reproductive methods, including spreading seeds, growing from rhizomes, and using creeping stems.
Dallisgrass has a plush, circular-shaped, clumped appearance with long, wide, rough-edged blades, and tall seed stalks that can grow several feet tall with spikes branching off the stalk.
These spikes are loaded with seeds, and if left untreated, the circular clump of dallisgrass can continue to grow out wider until it takes over.
Maintaining a thick and healthy turf is your best option to avoid this weed.
If you find a clump of Dallisgrass in your yard, pulling it can be an effective removal method, but be sure to remove any bits of root, stem, or seed that you miss.
Dallisgrass typically lives for 2 or more years, and it has many means of spreading, making it usually best to work with a lawn care company to professionally remove this troublesome weed.
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The best control for Dallisgrass is a late fall post-emergent weed control application while it is still actively growing, followed by a regular weed control program during the remainder of the season.
Early spring applications of post-emergent herbicides containing MSMA can also be used to control Dallisgrass.
Dallisgrass can be identified by its bunch-like appearance, coarse leaves, and tall seed stalks.
It invades turfgrasses in north Texas, forming clumps much coarser in texture than the surrounding turf.
Pre-emergent herbicides can help prevent the spread of Dallisgrass, while selective post-emergent herbicides can target it without harming your lawn.
Maintaining a healthy lawn through proper mowing, watering, and fertilization can also help to keep Dallisgrass at bay.
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Sedges and Other Weeds
Sedges and other weeds can be a real nuisance in north Texas lawns. Nutsedge, also known as nutgrass, is a perennial weed that sprouts in groups of three with a triangular stem.
It's essential to treat Nutsedge every year to reduce weed pressure, as it grows in warmer months and goes dormant in cooler months. By taking care of it annually, you'll make progress in controlling its spread.
Nutsedge is particularly tricky to control due to its underground tubers and rhizomes. This means it can regrow from fragments of its deep root system, making removal a challenge.
In north Texas, yellow nutsedge is more common than purple nutsedge, and both species are warm-season perennials that emerge in late spring to early summer. Their triangular stems can look very similar to grasses.
To effectively control Nutsedge, use a post-emergent weed control and spot treatments. This will help you tackle the weed before it spreads further.
Maintaining a healthy lawn is crucial in preventing the spread of weeds like Nutsedge and Dallisgrass. Proper mowing, watering, and fertilization can go a long way in keeping these weeds at bay.
Weed Control Methods
Weed control methods can be a bit overwhelming, but understanding the basics can make a big difference in your lawn's health. There are several types of weed control products available, including post-emergent weed control that targets weeds that have already appeared.
To use post-emergent weed control, proper weed identification is critical, so make sure to know what kind of weed you're dealing with. For example, if you have broadleaf weeds like Dandelion, you'll want to choose a product that specifically targets those types of weeds.
Liquid weed control is a popular option that's applied as a spray to the lawn. It's effective because it covers weed leaves uniformly and doesn't require watering in. In fact, you should avoid watering for several hours after application so the product can dry on the weed and do its work.
Pre-Emergent
Pre-emergent weed control is applied as a liquid spray or spread on the lawn as a granular formulation. It's a great way to prevent weeds from growing in the first place.
Pre-emergent weed control addresses weeds after germination, but before they emerge above the surface. This makes it a crucial step in maintaining a healthy and weed-free lawn.
Curious to learn more? Check out: Post Emergent Weeds in Lawn
In north Texas, pre-emergent weed control products are generally applied in late fall, late winter, and early spring. Make sure to follow this schedule to get the most out of this method.
Pre-emergent weed control products can be applied in a variety of ways, including as a liquid spray or a granular formulation.
Non-Selective
Non-selective weed control products can be effective for killing weeds along fence lines or in crevices, but they impact any plants they contact, including grass.
These products are best used in areas where you want to remove weeds completely, such as along fences or in tight spaces.
Special care must be taken to prevent these products from touching plants you want to keep, as they can cause damage.
To use non-selective weed control safely, carefully read the label and follow the instructions for application and protection.
Here are some key things to keep in mind when using non-selective weed control:
Liquid
Liquid weed control is applied as a spray on to the lawn. It tends to cover weed leaves more uniformly.
You don't need to water in a liquid product, and in fact, it's best to avoid watering for several hours so the liquid application can dry on the weed and do its work. This allows the product to penetrate the weed's system effectively.
Save mowing for 24 hours after a weed application, as cutting off the weed's leaves too soon can prevent the product from working its way through the plant's system.
The Persistent Pests
Broadleaf weeds, such as dandelions, clover, and henbit, are like the persistent telemarketers of the weed world, constantly popping up and demanding your attention.
They're not as aggressive as some of their grassy counterparts, but their persistence can be frustrating.
In North Texas, these weeds are common problems that can be controlled with selective post-emergent herbicides that target broadleaf weeds without harming your lawn.
For more insights, see: Killing Broadleaf Weeds in Lawn
Regular mowing and a healthy lawn can also help to keep them in check.
You'll want to address these weeds as part of a year-round lawn care program that includes pre-emergent control to prevent them from appearing in the first place.
Fertilization, proper mowing, and watering will promote a vital, strong lawn that does a better job standing up against weeds like these.
Don't let weeds get the best of your lawn - get an expert analysis to find out which weeds are causing a problem and target your control efforts accurately.
Weed Management Strategies
To tackle those pesky North Texas lawn weeds, you need to be smart about your approach.
First, track soil temperatures using a soil thermometer or local extension alerts. This will help you know when to apply pre-emergent herbicides, which only work if applied before weeds germinate.
Timing is everything when it comes to applying herbicides. Apply them 24-48 hours after rain, not before, since spring downpours will wash away chemicals.
Suggestion: When to Treat Lawn for Weeds
Extreme temperature swings can stress your grass, making it more vulnerable to weeds. Avoid applying herbicides during frost warnings or extreme heat.
Watering your lawn wisely is also crucial. Water deeply but infrequently to encourage grass roots to grow deeper than weeds, aiming for 1 inch per week, including rainfall.
Here are some key tips to keep in mind:
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