A: Once you brought in a sample of this weed to the office with a seed head it was much easier to recognize. Your weed is one of the aquatic weeds commonly found in lawn grass called Purple… Read More
Category: Home Landscapes
A: The old adage, “three leaves let it be” does not apply to poison sumac, Toxicodendron vernix. Sumac leaves are classified as compound which means the petiole or stem arising from the bud has more than one leaf. … Read More
A: The bright, orange spots you see on the oxalis are caused by a fungus, Puccinia sorghi, which is a type of rust. Generally, rust fungi must live on 2 or more plant hosts before they can complete… Read More
Q: I am not sure what I have in my lawn, but it is taking over and nothing is helping to get rid of it. Hope you can help.
Q: I am not sure what I have in my lawn, but it is taking over and nothing is helping to get rid of it. The leaves are similar to clover. It has a root that looks like… Read More
A: Thanks for bringing this weed to the office because describing it over the phone makes it difficult to identify. The weed is commonly called Match Head or Matchweed, Phyla nodiflora. It is a mat-forming perennial which reproduces… Read More
A: I believe the specimen you brought into the office is called Annual Jewgrass or Japanese Stiltgrass, Microstegium vimineum. This warm season annual grass can be creeping or erect. The good news: it reproduces only by seed. The… Read More
A: The weed you brought to the office is called Japanese clover, Lespedeza striata, or Common Lespedeza. It is a prostrate, freely-branched summer annual. The leaves are very tiny and they form a dense mat. Japanese clover produces… Read More
Q: What is the weed with a reddish colored seed head which is showing up everywhere along the road sides right now?
A: I suspect you are referring to Heart-wing Sorrel, Rumex hastatulus, which is in the buckwheat family. It is a medium to tall annual weed found along many roadside and local pastures. Leaves are basal, which means they… Read More
A: The weed is hairy bittercress, Cardamine hirsute, and it typically is a winter annual but it will continue to grow in shaded, moist areas if it is not pulled or controlled. It produces large numbers of seeds… Read More
A: The weed you brought into the office is called Globe sedge, Cyperus globulosus Aublet. It is a perennial weed of turf found in moist and sandy habitats. The seedhead is comprised of several spikelets. Each spikelet consists of a… Read More