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RagweedHow to Get Rid of Ragweed: 

If you’re a person that suffers from allergies to pollen, one of the worst weeds that can embark upon your lawn is ragweed. Even if you aren’t allergic, ragweed can give a lawn owner fits. Ragweed is notorious for invading lawns where they are not wanted and for producing large amounts of pollen.

There are two main types of ragweed. You have common ragweed which is the type that when in bloom, creates a lot of pollen and is the reason for many people's allergies. Secondly, you have giant ragweed which is a large irritation on agricultural farms. While they are part of the same family, they are quite different but the commonality they share is that they are an undesirable plant that many people take great effort in trying to remove.

Fortunately, with the right herbicides from Solutions Pest and Lawn and the proper control techniques you can get rid of ragweed from your lawn and breathe easy (literally) by getting some relief from your allergy symptoms.

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How To Get Rid of Ragweed: Solutions 4 Step Process

Step One: Identification It's important to identify the type of weed you have to make sure that it is actually ragweed and not some other similar looking invasive weed. Correctly identifying the weed you are encountering on your lawn will help you to aquiring more information about the weed such as what the weeds tendencies and characteristics are and also which one of our products can best treat that particular weed. This is important because some more stubborn weeds have a high tolerance or resistence to particular herbicides and control methods and are specifically labeled for certain weeds and not for others. If you misdiagnose the weed on your lawn asragweed when it isn't, you may purchase a herbicide not meant to tackle it and it will lead to disappointing results and overall, a waste of money.

As mentioned earlier there are two common types of ragweed: common ragweed and giant ragweed. Ragweed is called ragweed because the leaf looks so raggedy. The distinctive seedheads produce a lot of pollen and blooms appear as small yellowish hairy looking bumps. Their leaves are made up of multiple leaflets and the flowers are often clustered at the top of the plant. Common ragweed has both male and female flowers. Giant ragweed is exactly that, they are much larger in stature to common ragweed, often growing up to as high as 15 feet tall. They have giant lance shaped leaves with teeth running along the margins and they can be three and even five lobes. This is why its a particularly problematic to farmers because of its intrusive nature.


If you are unsure of what weed you have, you can contact us at identification@solutionsstores.com and send us a photo of your weed and we will identify it for you and suggest treatment options.


Step Two: Inspection. Once the plant has been properly Identified, you can then move to the inspection process. Common ragweed can be quite easy to identify due to how distinctive it looks and the pollen it creates. Both of these plant species can grow anywhere and everywhere and do not discriminate where they can take hold. It's flowers are arranged in spikes at the tops of stems so they would be hard to miss. Those allergic to ragweed can definitely detect it's presence quite easily. Ragweed season takes place between early August to early October in the Northern part of the US and in canada while in the southern states, the season can vary depending upon the climate and can be an issue year round. Allergy season is usually synonymous with ragweed season and when it comes in bloom.

Giant ragweed also has very noxious pollen that can cause allergies and can stand out because of its large leaves. They can also grow alarmingly tall which makes the "giant" in it's name very fitting. This plant can grow up to 6 feet to 20 feet tall and can come up everywhere. One good thing about giant ragweed is they have a smaller less extensive root system so it can be pulled out quite easily. So whatever type of ragweed you have, you'll be able to detect it rather easily where they are growing so you know where to focus your control methods.


Step Three: Control. While ragweed can pretty easily be handpulled out of the ground without issue, the problem arises when there is a large outbreak that would make handpulling quite a heavy task to take on, so unless you only have a small amount of ragweed growing, the best option for control is utilizing chemical herbicides.. Another issue that is coming up when it comes to controlling ragweed is that in recent years, the plant has become more resistence to glyphosate applications, which can make controlling the plant chemically quite difficult. You can go ahead and try to use a Glyphosate or Roundup product and take your chances or go with an alternative, which we have plenty of options to choose from.

For common ragweed we suggest a product such as Tordon 22k Herbicide (Picloram) or Trimec Southern Broadleaf Herbicide. You could also try to use a pre-emergent before the ragweed has popped up in the early spring with a product like Diuron 4L Herbicide. If the ragweed is appearing in an industrialized area or non-copland, a bare ground herbicide like Imazapyr 4 SL Herbicide does a great job.


For Giant ragweed PastureGard HL Herbicide or a product containing glufosinate like Finale Herbicide have shown great results against ragweed.


Step Four: Prevention. After you have eliminated ragweed from your property, you need to implement culture practices and lay out pre-emergent to prevent their return. Ragweed plants like to grow in heavy, untilled soil and are frequently found in soil that does not have sufficient fertility. They also do not tolerate being mowed very well. As a result, regular mowing is one of the best ways to control ragweed in your lawn and flower beds is along with improving soil fertility with a fertilizer application. This will create a healthy, nutrient rich soil which can make it difficult for ragweed to re-establish.


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Learn More About Ragweed

Sometime around August or September, your nose begins to itch, then comes the watery eyes and scratchy throat and the Fall allergy season is upon on. Around 10 to 15 percent of the population is effected by a plant known as Ambrosia artemisiifolia, a pretty name for a nasty weed known as ragweed.

Ragweeds (Ambrosia psilostachya) is an annual and perennial shrub which thrives in heavy and poorly maintained soil. Ragweed is pretty easy to identify on lawns due to it’s unique appearance. Ragweed grows upright and has leaves that look similar to ferns, feathery and green. You will also notice that ragweed leaves appear to be hairy.

Ragweed pollen is a common allergen with a single plant having the ability to produce up to a billion grains of pollen per season. The pollen is easily transported into the wind. As a result, the presence of ragweed in a lawn or garden can cause hay fever and various allergy symptoms, including a running nose, hacking cough, persistent sneezing and red, puffy eyes.

You'll find around 17 species of ragweed across the U.S., the most widespread being common ragweed (Ambrosia artemisiifolia), western ragweed (Ambrosia psilostachya) and giant ragweed (Ambrosia trifida). Forget cozy untouched forests, ragweed is widespread and it survives mostly in human impacted or disturbed areas. This plant thrives on parking lots, on the sides of highways, agriculture and urban areas. Not only does this plant survive in these disturbed areas, it thrives there.

Giant ragweed is a competitive plant, germinating early in the season and grows quickly beating out crops like soy and corn making it a major weed in agriculture. Recently it has developed resistance to herbicides and can even withstand beside the highway conditions that other plants wouldn't be able to survive.


Each ragweed plant is monoecious which means that it has both female and male parts. The female flower carries the egg and the male flower produces pollen. While neither flower has an attractive appearance to lure pollinators, ragweed instead relies on wind to carry the pollen to carry the male flowers to the female. Wind travels far and wide and this makes ragweed a big fall allergy condition. 


If you're one of the unlucky of the population that is allergic to pollen, ragweed pollen is a nightmare for your sinuses. Ragweed pollen is viewed as a foreign invader by your body and when it gets in your eyes, nose and throat, you will suffer common allergy symptoms such as sinus pressure, runny or itchy nose, a scratchy throat and a bad cough.

Studies are showing that higher carbon dioxide levels in the atmosphere can increase pollen production in ragweed so as carbon dioxide levels rise, we may be in for bad ragweed pollen outbreaks which will make it miserable for allergic people to want to go outside.


For more information on controlling ragweed on your lawn and to get advice catered to your unique issue from experts, contact us at askapro@solutionsstores.com or call our customer service line at (800) 479-6583.

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Ragweed Control Options

Ragweed plants enjoy growing in heavy, untilled soil and are frequently found in soil that is uncrowded and has poor fertility. Mowing ragweed and pulling them are good ways to get rid of them but if you have a heavy invasion of them, you might need to turn to a herbicide method of controlling them. Regular mowing,  and improving the soil with rich nutrients and fertilizer is also helpful to keep ragweed off of your lawn.


Compared to most weeds, Ragweed is actually one of the more easier weeds to remove from your lawn. Whether you use an organic method or through herbicides, it’s up to you but we typically recommend herbicides if you have a sizable amount of ragweed that has sprung up in your yard.


Ragweed is considered a broadleaf weed, so you can use broadleaf weed killers to eliminate them from your lawn like PastureGard as we recommended above. Another option that is guaranteed to kill of ragweed is Glyphosate, commonly known as Round-up. Glyphosate is a non-selective all spectrum herbicide which will normally kill any plant it comes in contact with. If you do use Glyphosate, be sure to only use it as a spot treatment and be careful not to get the herbicide on any of your desired grasses and plants.


The best time to apply herbicides on ragweed is mid-spring to early summer. Controlling ragweed at this time will make sure that you are applying the herbicide when the leaves of the plant are still rather immature and tender and, therefore, more vulnerable to herbicides.

Better Safe Than Sorry: Equip Yourself With Protective Safety Equipment Before Spraying

Ragweed Control Tips and Recommendations

  • When treating ragweed we recommend using a pump sprayer, not a hose-end sprayer. That will allow you to direct the spray in a fairly fine mist directly down onto the ragweed.

  • If you decide to use glyphosate and your ragweed is around a lot of desirable plants in your lawn or flowerbed, you can use a method aside from spraying for better control. For example,  to control ragweed in a small lawn, mix 2 teaspoons of glyphosate in 1 quart of water. Dip a sponge in the diluted herbicide, and wet the foliage of individual ragweed plants.

  • When applying herbicides be sure to wear protective clothing or safety equipment that completely covers your arms and legs, as well as gloves, socks and shoes. Avoid inhaling the spray or getting it in your eyes or mouth.

By following the above steps, Ragweed and all the allergy symptoms that come with them, will not be a bother to you anymore on your lawn!

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Additional Resources For Ragweed

Bayer Cropscience- How to  Manage and Control Ragweed in Corn and Soybeans |


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