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Blog / Pest Management / Weeds / Weeds that Grow in Winter: Chickweed and Henbit

Weeds that Grow in Winter: Chickweed and Henbit

February 20, 2018

What is a weed? Up first in our “plants that we may consider weeds” blog series, we’ll talk about two “winter weeds.” Winter weeds germinate in autumn and winter, grow through spring, set seed, and typically die back as warm weather sets in. If you look at your lawn and garden now, you may find these plants!

Common chickweed and mouse-ear chickweed
Look for two plants called chickweed—common chickweed (Stellaria Media) and mouse-ear chickweed (Cerastium vulgatum). Both are low-spreading plants that often root at the nodes to form dense mats. Soft hairs cover dark or grayish-green mouse-ear chickweed leaves, which is a perennial in Western North Carolina. With less hairy, lighter-green leaves, common chickweed—an annual—produces white, star-shaped flowers.

Chickweed_Dawn Endico_CC BY-SA 2.0_Flickr
Tiny flowers of common chickweed
Common Chickweed_A J Cann_CC BY-SA 2.0_Flickr
Common chickweed, a winter weed
Mouse-ear Chickweed_Simon for Lawn Health_CC BY 2.0_Flickr
Fuzzy leaves of mouse-ear chickweed

Henbit
Henbit (Lamium amplexicaule), in the mint family, has opposite leaves on square stems.  It grows as an annual or biennial with pinkish-purple flowers.

Henbit-Lamium amplexicaule_Algot Runeman_CC BY 2.0_Flickr
Henbit, also called dead nettle or greater henbit, a common winter weed
Henbit-Lamium amplexicaule-2015_F D Richards_CC BY-SA 2.0_Flickr
Henbit weed with purple flowers, square stems, and deeply scalloped leaves
Red Henbit_judy-and-ed_CC BY-NC 2.0_Flickr
Red henbit, lamium purpureum, also called purple dead nettle

Common characteristics of these “winter weeds”
Henbit and the chickweeds easily survive mowing. They readily invade bare patches in the lawn. Shade and frequent watering also encourage their growth.

All are considered edible plants—some gardeners add them to salads if they don’t use herbicides or pesticides on their landscapes. Never eat a plant you cannot positively identify! 

Control
If you don’t want these plants in your lawn, maintaining dense, healthy turf is your first defense. If you do find them, digging them out is the preferred control method. Apply pre-emergent in late summer to prevent fall germination. When these plants are actively growing, call your Extension office or check the current North Carolina Chemical Manual for approved herbicides.

Star Chickweed (Stella pubera)_travel_stuffles_CC BY-NC 2.0_Flickr
Star chickweed: pretty native plant with half-inch white flowers in spring, 3-inch leaves, and 6 to 16 inches tall.

Native plant note!
Star or great chickweed (Stellaria pubera) is a desirable perennial native plant with white flowers in spring that deserves to stay if you find it in your landscape!

Article written by Joyce Weinberg, Extension Master GardenerSM Volunteer.

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Categories Weeds Tags chickweed, henbit

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