I remember seeing it as a kid but haven't seen it growing in a long time. Stems can be 3-9 inches long, and the leaves are mostly on the lower portion of the stem in a basal rosette. View our privacy policy. After flower petals drop, 3⁄4 to 1 inch long narrow pods form and abruptly dehisce, launching seeds up to several feet from the pod. I first saw this in my lawn in 2013. Through the season, always pull the seedlings when you see them; they have shallow roots and come away quite easily; however, bits of root left behind are capable of re-rooting under optimum conditions. Hairy Bittercress. Left unchecked, hairy bittercress can quickly spread to infest the whole garden. This weed forms a rosette of leaves in the fall and usually waits until spring to flower. Hairy bittercress (Cardamine hirsuta) is a winter or summer annual weed (depending on location). Table 1 includes a partial list of preemergence herbicides labeled for control in and around ornamentals. It is most often found in irrigated or shaded areas but can grow in full sun. Products labeled to treat Hairy Bittercress; Snapshot 2.5 TG - 50 lbs. Bio Advanced All-In-One Lawn Weed and Crabgrass Killer. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S. KY: Haragan, P.D.. 1991. While these products do provide control, bittercress continues to be a difficult weed to control due the number of seeds produced as well as its fast germination and growth throughout the year. Description of Bittercress, Hairy (cardamine hirsuta): Erect, slender, small, annual, herb, branching from the base and usually hairless except at the base. GlyphoMate® 41 Weed & Grass Killer Plus Aquatic Herbicide, Trimec® 1000 Low Odor Broadleaf Herbicide. A sound sanitation program is more effective, in terms of total weed control, than any pre-emergence herbicide on … Known as a winter weed, Hairy Bittercress is an annual in most climates. Hairy bittercress spreads by seed. Left: Hairy bittercress plant with a rosette of basal leaves, flower stem with stem leaf, flower and seed pods. The ingredients must be 2-4 D, triclopyr, clopyralid, dicamba or MCPP. That weed is hairy bittercress. See All Pest, Disease and Weed Identification, See All Beer, Hard Cider, and Distilled Spirits, See All Community Planning and Engagement, Snow Removal from Synthetic In-Filled Systems, Using Composts to Improve Turf Performance, Common Pokeweed Identification and Management, Suppression of Annual Bluegrass or Crabgrass, Tips to Improve Your Lawn Care Program This Fall, 2,4-D, fluroxypyr, triclopyr, and flumioxazin, 2,4-D, MCPP, dicamba, and carfentrazone-ethyl, MCPA, MCPP, dicamba, and carfentrazone-ethyl. As weeds go you can do a lot worse than Hairy Bittercress, which is just as well as it’s currently taking over one of my uncovered vegetable beds (it’s giving my soil protection from the winter weather). It likes dry slopes, juniper meadows, forest margins, wasteland, crags, rocky outcrops, sometimes as a gardens weed. It germinates in the fall and will continue to grow during warm spells throughout the winter. Bittercress Cardamine hirsuta I love this little compact, rosette shaped annual with lobed leaves, small white flowers and upright seed pods that explode, flinging the seeds far and wide when ripe and you touch them, hence one of its names ‘shot weed or ‘flick weed’. Hairy bittercress is recorded up to 3,800 ft. Cornell Univ. Weed of the Month: Hairy Bittercress By Saara Nafici | April 6, 2017 As winter warms to spring, a favorite weed of foragers starts to emerge in rather cute clumps—it’s hairy bittercress! Image 70 DG. Hairy Bittercress, Wintercress, Common Bittercress, Snapweed, or Shotweed . Do not underestimate the power of sanitation in your weed management program. Hairy bittercress (Cardamine hirusta L.) is a winter annual, but occasionally a biennial, found in turf under moist, cool soils. Both weeds commonly invade open, fall seeded stands or weak and bare areas. Hairy Bittercress, Cardamine hirsuta. (continued) Final Thoughts The use of proper maintenance practices throughout the summer will help prevent the encroachment of winter annual broadleaf weeds in the fall. Flowering almost all year-round, this plant self-pollinates; when the seeds are ripe they burst from their pods and can be dispersed up to a metre away in all directions, especially … As soon as new plants appear in February or March, begin pulling them; these are the offspring of the previous fall's seed crop. Learn how to control Hairy Bittercress with these easy to use products! Hairy bittercress - Cardamine hirsuta Edible plant - novice Other common names: Hoary Bittercress, Flick Weed, Lamb's Cress, Hot Weed, Spring Cress Scientific name meaning: The greek word Kardamon, which means "cress-like", is the origin of the genus name Cardamine. Once removed the weeds can then be added to the compost heap. Hairy bittercress (Cardamine hirsuta) is a member of the mustard family (Brassicaceae). Severe infestations of hairy bittercress weed will require chemical treatment. Celsius WG Herbicide. That weed is hairy bittercress. Hirsuta means "hairy" or "hirsute". bittercress continues to be a difficult weed to control due the number of seeds produced as well as its fast germination and growth throughout the year. Uva, R.H., J.C. Neal, and J.M. If you need a postemergent herbicide, look for one that lists hairy bittercress on the label and follow the label instructions. Young, non-flowering, specimen of Hairy Bittercress / Cardamine hirsuta growing in bare earth. If you need a postemergent herbicide, look for one that lists hairy bittercress on the label and follow the label instructions. Entering your postal code will help us provide news or event updates for your area. Make your post-emergent herbicide application when hairy bittercress is young and actively growing. Hairy bittercress - Cardamine hirsuta Edible plant - novice Other common names: Hoary Bittercress, Flick Weed, Lamb's Cress, Hot Weed, Spring Cress Scientific name meaning: The greek word Kardamon, which means "cress-like", is the origin of the genus name Cardamine. Leaves at the base of the plant are larger than the leaves at the top of the plant. Hairy bittercress occurs on bare soil, in woodlands, and sometimes in light grassy areas. Once established, it is VERY difficult to eradicate. Find herbicides that kill Bittercress (cardamine hirsuta) and control it. Distribution. Hairy bittercress is a winter annual or biennial plant in the mustard (Brassicaceae) family native to Europe and Asia, but also present in North America. Right: Hairy bittercress stems with multiple seed pods produced after flowering. Each leaf stalk has 5-9 paired leaflets, shaped somewhat like a kidney bean or a ginkgo leaf, with a single terminal leaflet at the end. Weed Type: Annual weed. Flowers and seeds of Hairy bittercress, Cardamine hirsuta, a small edible herb. Common in West Virginia lawns and gardens, this weed is a winter annual that grows predominantly in spring but is capable of germinating and growing year-round under suitable environmental conditions. Warmer temps and spring-like weather are welcomed by many. […] Seedlings often emerge following germination in fall and plants can overwinter in a vegetative state. The surface of the leaves is often hairy. Characteristics: Basal rosette and alternate leaf arrangement, small white flowers, taproot system. Hairy bittercress (Cardamine hirsuta) and common groundsel (Senecio vulgaris) are winter annual broadleaf weeds and among the first to flower during cool to cold weather in late winter and early spring. Weed Photos: Courtesy of Dr. Lambert McCarty. While it has been lurking in gardens all winter long, it is flowering its little heart out and setting seeds right now in northwest Ohio. Biology and Management of Hairy Bittercress (Cardamine hirsuta) in Ornamental Crop Production 5 Table 1. It germinates in empty spaces and soon starts fizzing out seed all over your previously immaculate garden. Many people prefer to snack on it straight from the field, but you may want to rinse it quickly to remove dirt and grit. If using preemergence herbicides to control hairy bittercress, applications should commence in late summer or early fall. Hairy Bittercress Weed Killer Cardamine hirsuta Herbicide. Make your post-emergent herbicide application when hairy bittercress is young and actively growing. It seeds very quickly and shoots them out for some distance from the parent plant. Very similar is Wavy Bittercress ( C. flexuosa ) which grows slightly larger - up to 23 cm. Any weedkiller can be used to control and kill hairy bittercress in beds, borders, waste ground and on paths. 1997. This weed can be controlled with various preemergence and postemergence herbicides. It has actually been lurking near the surface all winter, having germinated in the fall and waited out the cold temperatures before sending up flowers and seeds. Frost, making it a very hardy weed formidable opponent latin hirsutus meaning... In beds, borders, waste ground plant as a gardens weed will reproduce and likely expel seed into containers... Herbicide applied in early spring paths, railways and waste ground and on top of the stem in long. 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And a kidney shaped any gardener who has faced off with this weed can be 3-9 inches long and! Will reproduce and likely expel seed into nearby containers 3-9 inches long and... Germinate in fall beginning as early as September recent years be implemented before these weeds produce seed can!

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