Oxalis
This broadleaf weed begins in small, insignificant patches and rapidly progresses to takeover lawn areas.
Oxalis Facts:
- Also referred to as "Yellow Woodsorrel"
- Begins with green leaves and then turns to reddish-purple
- Perennial weed
- Found mostly in late spring through late summer
- Low-growing, typically under 2" tall
- Three leaflets and often confused with clover and black medic
- 1/4" yellow flowers
- Thrives in moist, fertile soils but can grow almost anywhere
- Spreads by ejecting seeds up to 12 ft. away and also with underground rhizomes

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How to Get Rid of Weeds
Getting rid of weeds may not seem as easy as you'd hope it would be.
However, there's hope. Watch this video to learn how to:
- Identify weeds
- Control and prevent weeds
- Have the lawn you've always wanted
It All Starts with a Confident Choice
If you're ready to improve your lawn the secret success ingredient is YOU.
Our team is most excited about one thing, helping you make a confident choice that will lead to years of happiness.
Call (443) 733-6179 today to get a free estimate for lawn care or pest services in Prince Frederick from Natural Green Systems!
Natural Green offers lawn care & pest control services to Central and Southern Maryland, including Prince George’s, Queen Anne’s, Calvert, St. Mary's, Charles, and Anne Arundel Counties, MD.
Hear From Our Happy Customers
At Natural Green Systems, your satisfaction is our priority! See for yourself what our customers have to say about working with us.
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"Lawn is looking the best it's ever been."I have a tough lawn with alot of variables. Lawn is looking the best it's ever been. Thank you Bryan.- David R.
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"Excellent customer service!"Excellent customer service! Thanks for spending a few minutes to discuss best options for our lawn servicing.- Martin C.
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"Great representative for Natural Green Systems Lawn and Pest!"Luis did a phenomenal job aerating, seeding and topping everything off.- Jill M.
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"High-quality support is the hallmark of Natural Green."Bryan provided me with the high-quality support that is the hallmark of Natural Green.- John B.
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"James has performed landscape services on my lawn for the past two years, and season 2025 my lawn was rated best lawn."Treatments yield excellent growth and curb appeal.- Doranetta P.
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"They strategically performed the aeration, seeding, and soiling process."Arich and Spencer arrived around 8 this AM. As we do our part, I'm praying that we will be well pleased with the results.- Marian W.
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"A special THANK YOU to Davyon, Luis, Arich, and all the others whose labor of love is reflected in our lawn"NGS took our lawn from good to AMAZING! This company/staff is very knowledgeable in growing and perfecting healthy, thriving, thick, and green lawns. Also, a special THANK YOU to Davyon, Luis, Arich, and all the others whose labor of love is reflected in our lawn.- A.B. Polk
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"Can't recommend this company enough."Customer service, product, & professionalism are top-notch.- Romeo C.