Carolina Foxtail Is a Winter Annual Grass Found in Spring
Carolina Foxtail is a grass that may be unfamiliar to many farmers and landowners, even though it can often be seen growing in fields, roadsides, and wet areas.
This plant is known scientifically as Alopecurus Carolinianus and is sometimes called Annual Foxtail. It has a look that reminds many people of a smaller version of Timothy grass.
Although its name includes the word foxtail, Carolina Foxtail is different from other common foxtail grasses such as Giant Foxtail and Yellow Foxtail.
Those grasses belong to the Setaria genus, grow as summer annuals, and have bristles around their spikelets. Carolina Foxtail belongs to the Alopecurus genus, grows as a winter annual, and does not have those bristles. This makes it a very different plant, even though the name may sound similar.
Carolina Foxtail usually grows to a height of about one to two feet. It prefers wet soils and is native, but it is often treated as a weed in many settings.
The plant begins to emerge in the spring and can be recognized by its gray green leaves. It also has a white membranous ligule, which is one reason it can be confused with Timothy grass.
During the spring blooming period, Carolina Foxtail produces a spike type flower head made up of a dense group of spikelets. These spikelets have awns, but the awns are soft. This gives the spike a soft and somewhat hairy appearance, which is an important feature for identification.
It can be separated from Timothy by looking closely at its size and flower head. Carolina Foxtail is smaller overall and blooms earlier in the season. Its spike also has longer and softer awns, while Timothy has shorter and stiffer awns. These features help distinguish the two grasses in the field.
Understanding the differences between similar grasses is important for correct plant identification and better field observation. Carolina Foxtail may not be as widely discussed as other grasses, but learning its features can help farmers and land managers identify it with more confidence.
Photo Credit: pexels-jeffrey-czum