Dollarweed is thought of by some people as being the worst weed problem within St. Augustine grasses. If you live in a warm or coastal climate, you’ve likely experienced the invasion of dollarweed (also called pennywort) in your lawn or garden. Unfortunately, this pesky problem is caused by excess moisture, and it thrives in areas of poor drainage, excess irrigation, poor soil, and thin turf. This is largely due to the fact that Dollarweed and St. Augustine sod are perennial plants that thrive in the same type of soil and climate conditions. It is especially an issue in warm weather months, and many people will see this annoying plant popping up in the Spring, especially after a good rain.
Given the opportunity, they can easily take over your St. Augustine lawn. Listed below are a few ways to nip your problem in the bud.
1.) First and foremost, it’s important to mow your lawn to the proper height. A lawn at is at optimal height is a healthy lawn.
2.) Make sure you are not overwatering! Dollarweed thrives in moist soil, so overwatering will exacerbate the issue. For more information on how to properly water your lawn, visit our article on how to properly water your lawn.
Dollarweed appears to have a small, round, shiny leaves that are shaped like coins. Whether it’s caused by over-irrigating, too much rain, or poor soil drainage, thin turf in wet areas can quickly be taken over by this tough and hardy plant. Dollarweed spreads both by seeds and underground roots, making it very difficult to eliminate. Like many weeds, you may find that you’re managing it rather than eradicating it.