Biological Name:

Euphorbia marginata (Trampweed)

Natural Habitat:

Trampweed: This plant can grow in a variety of habitats, including fields, meadows, and disturbed areas. It is native to many parts of the world, including Europe, Asia, and North America.


Trampweed also known as Ampelaster is a plant that is native to grassland and prairie regions of North America. It is an annual herb that can grow up to two feet tall and it has small oval-shaped leaves and small white or pink flowers that bloom in the summer. The plant is known for its ability to spread rapidly and aggressively and it is often considered a weed in agricultural fields.

Frequently Asked Questions (FAQs)

Q: How do I get rid of annual Trampweed?
A: A 3-way, broadleaf herbicide that contains 2,4-D, dicamba, and mecoprop (often abbreviated as MCPP) will control annual trampweed. These are liquid concentrates that are mixed with water in a pump-up sprayer and sprayed on broadleaf weeds in the lawn.

Q: How do I stop weeds for next year?
A: Cultivate with Caution.Apply a Pre-emergent.Mulch Your Beds.Grow Plants Closely.Eliminate Hitchhikers.Get to Pulling.Create a Drought.Plant a Cover.

Q: How do I stop persistent weeds?
A: Mulching: Use deep organic mulches such as bark or wood chip to smother weeds around plants. … Edging boards or strips: These can be used to edge lawns and grass paths to prevent unwanted grass growth into the border.

Q: How do you stop violets?
A: Fall is the best time of year to control the wild violets. It’s a perennial weed with a long tap root on it. Use a broadleaf killer that contains 2,4-D or Dicamba, and it will selectively kill the violets without damaging the grass. Another great wild violet herbicide is called Drive (quinclorac).

Q: How do I get rid of common broomrape?
A: Spot spray weeds in known broomrape areas with 3-5g/ha metsulfuron methyl herbicide (e.g. Ally®) at 1000GDD. For late control (1500GDD) spot spray host weeds and broomrape plants with glyphosate. When spot spraying aim to spray the undergrowth of trees and shrubs targeting the green weeds.

Q: Why do I have annual bluegrass?
A: Seeds are spread by mowing your grass too short, watering too much and too often, heavy foot traffic that compromises or compacts the soil, applying too much fertilizer, bird activity or other damage. Annual Bluegrass likes to sprout in bare areas, especially along driveways and walkways.

Q: How do you get rid of annual grass?
A: If Annual Bluegrass is already established and growing on your lawn, we recommend a post-emergent treatment with Blindside Herbicide using a handheld pump sprayer. Spot treat the areas where they are prevalent, spraying to wet, but before the point of runoff.

Q: How do you get rid of Facelis?
A: A dense, vigorous turf is the best way to reduce the encroachment of this weed. First, select adapted turfgrass cultivars for your area and then properly fertilize, mow, and water to encourage dense growth.

Q: How do you get rid of a Houndstongue?
A: Don’t let houndstongue go to seed. Hand pull or dig up isolated plants and small patches and remove as much of the root as possible. If the soil doesn’t allow for effective digging, spot treat with herbicide.

Q: How do you get rid of Blueweed?
A: If roots cannot be removed, cutting and mowing infested areas before the plant seeds will help to decrease seed production. If hand-cutting or hand-pulling Blueweed, make sure to cut the taproots and bag seed heads to prevent unwanted spread.

Q: How do you get rid of Marestails?
A: Chemical weedkiller Spray using a herbicide onto the weed and ensure the plant is fully covered with a fine or medium spray. Mare’s tail usually takes one to two weeks to turn brown but will take longer to disappear and die. The longer you wait the more likely you are to see better results.

Q: How do you get rid of Sandspers?
A: Look for a herbicide with the active ingredient sethoxydim, which is very effective on sandspurs (and, by the way, bahiagrass) and is labeled for centipedegrass only. Do not use on bermudagrass – it will kill it. Remember, always read and follow label directions when using any pesticide.

Q: How do you get rid of Flatsedge?
A: Glyphosate (Rated: Good)Imazapyr (Rated: Excellent)Penoxsulam (Rated: Good)

Q: How do you get rid of Rescuegrass?
A: Rescuegrass can be controlled with a quality Pre-emergent herbicide program. Normally, an application of a pre-emergent in late September is appropriate for winter annual weeds. Remember, though, that this weed may germinate into the winter—so, a second pre-emergent application in November may be warranted.

About the author

Samuel is a gardening professional and enthusiast who has spent over 20 years advising homeowners and farm owners on weed identification, prevention and removal. He has an undergraduate degree in plant and soil science from Michigan State University.