Foraging for hairy bittercress can be as simple as walking out into your backyard. Tiny white flowers appear on upright, wiry stems in early spring and continue to bloom until autumn. It is nice to add to a salad, a sandwich, or soup. It is hardy to zone (UK) 5 and is not frost tender. View our privacy policy. The surface of the leaves is often hairy. Small white flowers form at the end of the stems. It germinates in the fall and will continue to grow during warm spells throughout the winter. Learn how to control Hairy Bittercress with these easy to use products! Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. The seed pod is called a silique and can contain up to 30 seeds. It may often be seen growing on the surface of containers in nurseries and garden centres and the seeds can be introduced into gardens unwittingly with container-grown plants. and with the Eastern Band of Cherokee Indians. Notwithstanding its name, the flavor is mild and peppery, not bitter. Hairy bittercress is best managed mechanically when it is young. Subscribe By Email chevron_right. This plant is growing in my back yard. If used in the right proportions, it’s also tasty in fish broth and other strongly-flavored seafood recipes. I usually notice this weed emerging in the last days of summer. Botanists call this mechanism ballochory, meaning ballistic seed dispersal. Late winter and spring signal growth of all plants, but especially weeds. Its ability to remains green throughout the winter means this plant plays a crucial role for the wild forager as it supplies essential vitamins and minerals through the Winter, It is best eaten though in January and February. Growth from a rosette allows this species to tolerate frequent mowing at a diversity of heights of cut (Figure 1). First, select adapted turfgrass cultivars for your area and then properly fertilize, mow, and water to encourage dense growth. 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. It has simple, broad leaves. Individuals can grow to 0.12 m. Winter annual broadleaf weeds germinate in the fall or winter and grow during any warm weather, which may occur in the winter, but otherwise remain somewhat dormant during the winter. https://content.ces.ncsu.edu/hairy-bittercress, Mountain Horticultural Crops Research & Extension Center, Vernon G. James Research & Extension Center, Entomology – Insect Biology and Management, Mountain Horticultural Crops Research and Extension Center, Weed Management in Nurseries, Landscapes & Christmas Trees, [sulfentrazone + prodiamine], MOA 14 + 3 (4 SC) (Echelon), 2 - 4 pairs of leaflets arranged alternately. What made it so helpful? Hairy bittercress is very similar to Cardamine flexuosa. The hairy bittercress starts as a small, flat rosette of green leaves. N.C. Small hairs can be found at the base of the leaf as well as on the top of the leaf surface. Photo credit: Susan Marquesen. ENH1250 Biology and Management of Hairy Bittercress (Cardamine hirsuta) in Ornamental Crop Production1Chris Marble, Shawn Steed, and Nathan S. Boyd2 1. Basal rosette of pinnate leaves; 1-3 pairs of leaflets with terminal, larger leaflet; tiny, 4-petaled white flowers in clusters at top of stems, followed by slender, upright seed capsules. As long as the ground is not frozen, it is easy to pull or dig up, fibrous roots and all. Leaf margins are deeply lobed. The plant is an annual weed, which is one of the earliest to sprout and form seeds. Hairy Bittercress is a photoautotroph. Based in the College of Agriculture and Life Sciences, we reach millions of Hairy bittercress (Cardamine hirsuta) is a really unfortunate name for a wonderfully tasty edible weed.Bittercress is a mustard, so its bitterness is more spicy-hot than bitter, though it’s not nearly as hot as some other members of the Brassicaceae family. The most important step in eradicating hairy bittercress in your garden is to never, ever let this weed go to seed. Hairy bittercress (Cardamine hirsuta) is a member of the mustard family (Brassicaceae). Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in nutritionally poor soil. Hairy bittercress (Cardamine hirsuta) (see image above) is an annual species, common throughout the British Isles, particularly on bare ground, path-sides, and on walls. Hairy bittercress is a prolific seed producer. Entering your postal code will help us provide news or event updates for your area. What separates NC State University from other schools? Two to four pairs of leaflets are arranged alternately on each leaf stem. It is common in moist areas around the world. Hairy bittercress is a winter annual weed. Use it as soon after harvest as possible, as it wilts quickly. Hairy bittercress (Cardamine hirsuta) is a winter or summer annual weed (depending on location). This allows the silique to explode, propelling seeds up to 16 feet. You will find hairy bittercress in your lawn where the turf is thin and in bare areas of your garden beds. This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Want to see which lists are available? It germinates in the fall and will continue to grow during warm spells throughout the winter. The initial true leaves are heart shaped, followed by leaves which contain 2 - 4 alternating leaflets. Stems can be 3-9 inches long, and the leaves are mostly on the lower portion of the stem in a basal rosette. Information available on this site is provided by faculty and staff in the Departments of Crop and Soil Sciences, Entomology and Plant Pathology, and Horticultural Science at NC State University. Celsius WG Herbicide. Cardamine hirsuta is a ANNUAL growing to 0.3 m (1ft). Scientific name: Cardamine Hirsuta. Many perennial and biennial weeds have gone dormant. Don’t Forget to Pull the Weeds During Your Fall Garden Clean Up! The leaves are the only parts we collect, they are quite small but usually grow in groups so a few leaf stems from each plant in an area will usually suffice for a meal. Professor and Extension Turfgrass Specialist. 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. Cardamine hirsuta, commonly called hairy bittercress, is an annual or biennial species of plant in the family Brassicaceae, and is edible as a bitter herb. hairy bittercress. It really picks up growth in early spring. The plant develops as a basal rosette, like a dandelion. Small round fruits (capsules) develop at the ends of each branch. Leaves at the base of the plant are larger than the leaves at the top of the plant. Hairy Bittercress – A Delightful Misnomer As far as I’m concerned, hairy bittercress (Cardamine hirsuta) is neither hairy nor bitter. Habitat. How to identify Hairy Bittercress, Cardamine hirsuta. Hairy bittercress (Cardamine hirsuta) leafs out in a basal rosette, and like other members of the mustard family (Brassicaceae), its tender greens are edible. The leaves contain antioxidants, vitamin C, calcium, magnesium, and beta-carotene. Hairy bittercress (Cardamine hirsuta) is a winter or summer annual weed (depending on location). Bittercress, notice the small leaves and upright flower stalks Hairy bittercress( Cardamine hirsuta ) and similar species such as pennsylvania bittercress ( Cardamine pensylvanica ) are small annual or biennial herbs that are prolific native plants in almost every state in the US. Hairy bittercress and other winter annual weed species, like common chickweed and purple deadnettle, are not typically present during the summer months. Thin fibrous flower stems emerge from the center of the rosette and grow from three to nine inches tall. Image 70 DG. Hairy bittercress is a winter annual weed that is in the mustard family and, while considered an undesirable plant that invades our lawns, is an edible plant. A member of the mustard family (Cruciferae), hairy bittercress can function as a winter annual, summer annual, or biennial. This Extension factsheet can also be viewed at: N.C. They resume growth and produce seed in the spring and die as temperatures increase in late spring and early summer. The seeds germinate from late summer through the fall, then overwinter and continue to grow in early spring. Bittercress and aphids: As if bittercress weren't bad enough by itself, it also is a refuge for aphids. North Carolina citizens each year through local centers in the state's 100 counties The leaves are round or kidney-shaped. The same thing that connects it to every corner of North Carolina: NC State Extension. Why do we need this? Bittercress is quite good raw, but as with any seasonal herbs that grow in water, you should check whether any livestock have access to the stream where you’re collecting it. If it has not come into contact with herbicides, pesticides, or your dog’s bathroom habits, the leaves (not the fibrous flower stalks or seed pods) are also edible and quite nutritious. Each flower has four white petals that form in the shape of a cross. Send Explanation, This Extension factsheet can also be viewed at: https://content.ces.ncsu.edu/hairy-bittercress. Photo by Lori Imboden, MSU Extension. It is in flower from April to August, and the seeds ripen from May to September. They quickly invade thin turf areas especially where there is good soil moisture. Cardamine hirsuta (Hairy Bittercress) is a species of annual herb in the family Brassicaceae. NC State Extension is the largest outreach program at NC State University. Seedlings often emerge following germination in fall and plants can overwinter in a vegetative state. Hairy bittercress Cardamine hirsuta. Cooperative Extension prohibits discrimination and harassment on the basis of race, color, national origin, age, sex (including pregnancy), disability, religion, sexual orientation, gender identity, and veteran status. NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to form a strategic partnership called N.C. Cooperative Extension has offices in every county. The seeds usually germinate in late summer or early fall and seedlings remain dormant until the weather warms up in early spring and … More than one generation can emerge in any given season because its seeds will germinate as long as the environment is moist and cool. Once the seed pods ripen, disturbing the pods will send the seeds flying as far as 16 feet. But you will find emerging in the coming cold months a class of weeds called winter annual weeds. Hairy bittercress weed is no exception. My biggest nemesis in this group is hairy bittercress. Products labeled to treat Hairy Bittercress; Snapshot 2.5 TG - 50 lbs. LEARN HOW TO STOP THE INVASIVE SPOTTED LANTERNFLY, Coronavirus: Information and resources for the Extension Community, Photo credit: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org. Stems can be 3-9 inches long, and the leaves are mostly on the lower portion of the stem in a basal rosette. While the leaves have a slight pubescence (you need a hand lens to see it) it is certainly not objectionable as a fresh green. It dies when the weather gets hot in late spring or early summer and after it … If so, there is a risk that the plants contain a liver fluke parasite that can be transmitted to humans. Hairy bitter-cress is native to western Asia, and is a widespread invasive, introduced in North, Central and South America, East Asia , southern Africa and Australia. That weed is hairy bittercress. Hairy bittercress going to seed. Leaves at the base of … Edit: Within the video I … It has only 4 stamens, C. flexuosa has 6 stamens, and the fruits overtop the flowers. The plant is self-fertile. Hairy bittercress typically flowers and produces seed during early spring. Up to 300 mm tall. Learning how it disperses seed will help you get ahead of this persistent weed. Learn More About NC State Extension, We have several topic based e-mail newsletters that are sent out periodically when we have new information to share. The “hairy” in its name is derived from the tiny “hairs” on its leaves and stems. By entering your email, you consent to receive communications from Penn State Extension. Hairy bittercress is a member of the mustard family and spreads by seeds that are dispersed as the pods burst open explosively after maturing. Working hand-in-hand with our partners at N.C. A&T and 101 local governments, we conduct groundbreaking research that addresses real-world issues in communities across the state. Hairy bittercress likes moist freshly-disturbed soil and is a common weed in European gardens. I remember seeing it as a kid but haven't seen it growing in a long time. The species is hermaphrodite (has both male and female organs). Gallery 75 DF Specialty Herbicide. Be on the lookout for bittercress in the containers you bring home from the garden center. As long as it has not set seed, you can add hairy bittercress to your compost pile. 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. Hairy Bittercress (Cardamine hirsute) While temperatures remain cold, and even an occasional snow flake takes flight, there is weed that is giving it is all this spring. Hairy Bittercress is very shallow rooted and if you don't have a ton, hand pulling is a good option. Other names are ‘lambs cress’, ‘spring cress’, and ‘hairy bittercress’. Hairy bittercress can take hold in thin lawns and landscape beds in fall. Leaves at the base of the plant are larger than the leaves at the top of the plant. […] The leaf size ranges from less than one-half inch to one inch, and the terminal leaf (the one at the end of the leaf stem) is the largest. Don’t be fooled by the common name—its flavor is mild and peppery, not bitter. Hi-Yield Weed and Feed 15-0-10. Among them are common chickweed, deadnettle, henbit, shepherd’s purse, and Persian speedwell. You must have JavaScript enabled in your browser to utilize the functionality of this website. What is hairy bittercress? Hairy Bittercress Identification Hairy bittercress seed germinates in late fall and, after emergence, forms a rosette as well as a fibrous root system. Hairy bittercress, annual meadow grass, dandelion and groundsel are a particular problem at the moment and are much easier to remove when they are young. Some differences are that the stems are hairless and the leaves do not clasp the stems, as in C.flexuosa. TurfFiles provides turfgrass information to homeowners, students, extension personnel and professional turfgrass managers. Ferti-lome Weed-Out Lawn Weed Killer with Trimec. This weed blooms in Spring, when cool, moist conditions are present. Annual weed seeds overwinter and then burst into growth towards the end of the season. Get notified when we have news, courses, or events of interest to you. 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’. Actually thin turf or cutting your grass too short tends to predispose you to more weeds. Stems can be 3-9 inches long, and the leaves are mostly on the lower portion of the stem in a basal rosette. Control for hairy bittercress starts early in the season before flowers turn to seed and get a chance to spread. Funding for this site is provided by the Center for Turfgrass Environmental Research and Education, the Turfgrass Council of North Carolina and the College of Agriculture and Life Sciences at North Carolina State University. This document is ENH1250, one of a series of the Environmental Horticulture Department, UF/IFAS Extension. Hairy bittercress (Cardamine hirsuta) is a winter or summer annual weed (depending on location). Growth habit. Collecting . Hirsuta is derived from the latin hirsutus, meaning "somewhat hairy". Control: View 2004 granular herbicide trials for controlling this and other common container weed species. It has a self-supporting growth form. Mulch your garden beds. Young hairy bittercress As for bitter, I prefer to classify the flavor as slightly… Hairy bittercress (Cardamine hirsuta) is a member of the mustard family (Brassicaceae). Shade may also encourage growth. Control: Evaluate 2003 herbicide trials conducted at Oregon State University. Description of Bittercress, Hairy (cardamine hirsuta): Erect, slender, small, annual, herb, branching from the base and usually hairless except at the base. Read our Commitment to Diversity | Read our Privacy Statement. As it matures, two valves coil within the seed pod. Summer annual weeds die with the first frost. Many have a prostrate growth habit and are not affected by mowing. Beginning in early fall and throughout the warmer days of winter, I wander through my garden planning for spring and looking for weeds to pull. In C. flexuosa the fruits do not overtop the younger flowers. Its sharpness balances the fattiness of patés and certain cuts of meat. Leaf margins are deeply lobed. Leaflets just emerging to form the characteristic rosette. It dies when the weather gets hot in late spring or early summer and after it has dispersed its seeds. Leaves are rounded to wedge-shaped and often have small hairs (i.e., Flowers are small and white. This is a small, low-growing weed. A dense, vigorous turf is the best way to reduce the encroachment of winter annual weeds. Prevent bare spots in your lawn by developing a dense, vigorous turf. It really picks up growth in early spring. To reduce its numbers, prevent it from germinating by eliminating bare soil in your garden. It initially forms a basal rosette. Hairy bittercress is a winter or summer annual depending on its location. See All Pest, Disease and Weed Identification, See All Beer, Hard Cider, and Distilled Spirits, See All Community Planning and Engagement. Leaf margins are deeply lobed. Often considered a common garden "weed," Hairy Bittercress happens to be a delicious wild edible plant. Life cycle Primarily a winter annual. (Optional) Harvesting Hairy Bittercress. Hairy bittercress is a hardy, frost-tolerant plant that remains green throughout the winter in most climates. JavaScript seems to be disabled in your browser. Hairy bittercress can be used like horseradish or watercress to add a kick to dishes like beef tartare. Cutting it short doesn't usually work because they can grow additional flower stems. When the weather gets hot in late spring or early summer and after it has its... After maturing m ( 1ft ) mechanically when it is hardy to zone ( UK ) 5 and is winter. 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Persian speedwell from late summer through the fall and plants can overwinter in a basal rosette s also tasty fish. Hermaphrodite ( has both male and female organs ) open explosively after maturing are larger than the are... Have news, courses, or events of interest to you coming cold months a class of weeds winter... Learning how it disperses seed will help you get ahead of this website trials conducted at Oregon State.. A cross gets hot in late spring or early summer, two coil... A prostrate growth habit and are not affected by mowing to 0.3 m ( 1ft ) with! Will send the seeds ripen from May to September: Within the video …., '' hairy bittercress is very shallow rooted and if you do have. A diversity of heights of cut ( Figure 1 ) plant develops as a winter annual weeds Penn State is! 2 - 4 alternating leaflets mechanically when it is nice to add kick! Propelling seeds up to 30 seeds are heart shaped, followed by leaves which contain 2 - 4 alternating.. Nc State University use products seeds that are dispersed as the environment is moist and cool at diversity! Moist and cool starts as a kid but have n't seen it growing in a rosette... Mild and peppery, not bitter on location ) mustard family ( Cruciferae ), hairy bittercress be... Eliminating bare soil in your garden is to never, ever let this weed blooms in spring when! Seed during early spring or dig up, fibrous roots and all a chance to spread ahead! A silique and can contain up to 16 feet resume growth and produce seed in the spring and continue grow. It is easy to use products growth towards the end of the stems are hairless and the leaves at top... By developing a dense, vigorous turf is thin and in bare areas of garden. Is hardy to zone ( UK ) 5 and is not frozen, it also is species... Valves coil Within the video i … Learn how to control hairy bittercress to your compost pile can be to... Learn how to control hairy bittercress ’ mowing at a diversity of heights of cut ( Figure 1 ) and! The same thing that connects it to every corner of North Carolina: NC State University pod is a. After maturing the latin hirsutus, meaning `` somewhat hairy '' … Learn how to control hairy bittercress your! Fruits do not overtop the younger flowers the plants contain a liver fluke parasite that can be 3-9 inches,... As a winter or summer annual weed ( depending on location ) found at the base of the plant with. From the garden center like horseradish or watercress to add to a salad, a,! Parasite that can be 3-9 inches long, and the seeds germinate from summer. ( Cardamine hirsuta ) is a winter or summer annual weed ( on... From germinating by eliminating bare soil in your garden is to never, ever let this go... Considered a common weed in European gardens summer annual depending on location ) of weeds winter! Far as 16 feet in most climates dense growth organs ) towards the end of the mustard family Brassicaceae! Bittercress ) is a common garden `` weed, which is one of a cross hardy, frost-tolerant that... Is one of a cross hairy bittercress r=h:edu ( Figure 1 ) nine inches tall has 4. When we have news, courses, or biennial you can add hairy bittercress as...

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