The leaves have 1-7 leaflets. Though it is a small plant, any gardener who has faced off with this weed knows that hairy bittercress is a formidable opponent. Please note that each and every hedgerow item you … 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. 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). The leaves form in a … Weeds of Kentucky and adjacent states: a field guide. This plant is growing in my back yard. For best results, treat during rosette stage. Hairy bittercress (Cardamine hirsuta) is a winter or summer annual weed (depending on location). Press. Leaf margins are deeply lobed. Right: Hairy bittercress stems with multiple seed pods produced after flowering. The plant is self-pollinating and in bloom throughout the year. Bittercress is a weed that can thrive with limited resources. A sound sanitation program is more effective, in terms of total weed control, than any pre-emergence herbicide on … 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. About Hairy Bittercress. Growing worldwide (except in the Antarctic, this genus of the Brassicaceae family numbers more than 150 species, both annual and perennial. Distribution: Hairy bittercress (Cardamine hirsuta) is native to Eur… It is commonly found in damp or disturbed soil. Leaves at the base of the plant are larger than the leaves at the top of the plant. 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. Hairy bitter-cress is a common, edible weed of rocky areas, walls, gardens and cultivated ground. It germinates readily in coarse gravel and on top of woven weed fabrics. Control with a broadleaf postemergent herbicide (see this publication Broadleaf Weed Control in Established Lawns) when the weeds are actively growing in the spring. Although many homeowners may view the hair bittercress a pest, the plant is edible and has other good attributes. A member of the mustard family (Cruciferae), hairy bittercress can function as a winter annual, summer annual, or biennial. DiThomaso. The short flower stems propel seeds up to a metre (39in) away, so the plant is best removed as soon as you spot it. The leaves that emerge in the fall form a small rosette that will overwinter. With its ability to produce around 5,000 seeds with no dormancy, the hairy bittercress can easily divide and overwhelm any garden. Flick Weed; Hairy Bittercress; Hoary Bittercress; Lamb's Cress; Land Cress; Pepperweed; Shot Weed; Snapweed; Phonetic Spelling kar-DA-mih-nee her-SOO-tuh Description. I am a horticultualist in south east PA. Those marketed as “fast acting” are contact weedkillers – killing or damaging the plant tissue they are sprayed onto or make contact with. Hirsuta means "hairy" or "hirsute". This weed can be controlled with various preemergence and postemergence herbicides. Hairy Bittercress, Cardamine hirsuta. LEARN HOW TO STOP THE INVASIVE SPOTTED LANTERNFLY, Coronavirus: Information and resources for the Extension Community, Pinnately compound leaves with rounded leaflets. Hairy Bittercress Uses. Control measures should be implemented before these weeds produce seed that can be deposited into the soil seed-bank. 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. Hairy Bittercress, Lambs Cress, Land Cress, Spring Cress, Hoary Bittercress, Shot Weed, Flick Weed : Scientific Name: Cardamine hirsuta : Season Start: Jan : Season End: Dec : Watch our videos on YouTube. The capsules will project the seeds when disturbed. Weed. Hairy bittercress (Cardamine hirusta L.) is a winter annual, but occasionally a biennial, found in turf under moist, cool soils. Hairy bittercress, get off my lawn! Leaves are pinnate with round to kidney-shaped leaflets and plants have a slender, branched taproot. This plant grows on all continents with the exception of Antarctica. Left: Hairy bittercress plant with a rosette of basal leaves, flower stem with stem leaf, flower and seed pods. The seed capsule is up to 10 times longer than it is wide. Hi-Yield Weed and Feed 15-0-10. 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. Hairy bittercress is recorded up to 3,800 ft. Get notified when we have news, courses, or events of interest to you. If you need a postemergent herbicide, look for one that lists hairy bittercress on the label and follow the label instructions. There is also the option of applying post-emergence herbicide. Bio Advanced All-In-One Lawn Weed and Crabgrass Killer. Hairy Bittercress. Common names Other common or country names include lamb's cress, land cress, hoary bitter cress, spring cress, flick weed, and shot weed (or lambscress, landcress, hoary bittercress, springcress, flickweed, and shotweed). Remember that most gardeners view the plant as a pesky weed. It really picks up growth in early spring. Hairy bittercress is found from Maine to Florida, west to Nebraska and Texas. Products labeled to treat Hairy Bittercress; Snapshot 2.5 TG - 50 lbs. Hairy Bittercress is easy to remove from the soil with a hoe or by hand and it’s important to do so as it can quickly smother beds containing your small vegetable seedlings, competing with them for space and light. The leaves have 1-7 leaflets. Description of Bittercress, Hairy (cardamine hirsuta): Erect, slender, small, annual, herb, branching from the base and usually hairless except at the base. If you don’t mind eating *weeds however, Hairy Bittercress is edible, apparently tasting of watercress. On unplanted land and path-sides contact weedkillers such as acetic acid (Weedol Fast Acting Gun), fatty acids (SBM Solabiol Super Fast Weedkiller) and pelargonic acid (Doff 24/7 Fast Acting Weedkiller) can be used to control the annual species Cardamine hirsuta. Hairy bittercress is not invasive enough to warrant using herbicides. Clemson, SC. Hairy Bittercress Weed Killer Cardamine hirsuta Herbicide. Photo: Peter Landschoot, Penn State. Weed Photos: Courtesy of Dr. Lambert McCarty. Leaves at the base of the plant are larger than the leaves at the top of the plant. Weed Photos: Courtesy of Dr. Lambert McCarty. Stems can be 3-9 inches long, and the leaves are mostly on the lower portion of the stem in a basal rosette. Hairy bittercress is found from Maine to Florida, west to Nebraska and Texas. Hairy bittercress typically flowers and produces seed during early spring. Learn how to control Hairy Bittercress with these easy to use products! The stalks on the leaves do not have hairs and the flowers have six stamens whereas Hairy Bittercress flowers have four, but growth is similar. The initial true leaves are heart shaped, followed by leaves which contain 2 - 4 alternating leaflets. They grow in recently disturbed soil, open ground, waste places, lawns, and greenhouses … so they’re basically everywhere that you might want to be planting things! Young, non-flowering, specimen of Hairy Bittercress / Cardamine hirsuta growing in bare earth. With just a thin layer of bark, bittercress will reproduce and likely expel seed into nearby containers. 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! Read these precautions first. View our privacy policy. Using a flame gun weed burner on the soil or paths will destroy the plants and any seed on the surface. Hence the name Snapweed or Shotweed. Its seeds germinate in fall beginning as early as September. Leaf margins are deeply lobed. Up to 300 mm tall. Hairy Bittercress (Cardamine Hirsuta) is a winter annual weed that begins growing in late fall and resumes growing in late winter and early spring, often before other plants wake up from their winter slumber. It is a particular problem in container-raised plants from nurseries and garden centres. It is most often found in irrigated or shaded areas but can grow in full sun. Hairy bittercress (Cardamine hirsuta) is a member of the mustard family (Brassicaceae). It germinates in the fall and will continue to grow during warm spells throughout the winter. Leaf margins are deeply lobed. Bittercress produces small white flowers in spring and reproduces by seed. Hairy bittercress is a winter or summer annual depending on its location. Herbicides applied post emergence need to have two different active ingredients. Germination Dates. Hairy Bittercress. Do not underestimate the power of sanitation in your weed management program. 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. 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. You may want to discard the stems, which tend to be bitter too, hence the common name. 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’. You can also control both with a preemergent applied in early … I specialize in plant health care (IPM) and cool season turf management. It seeds very quickly and shoots them out for some distance from the parent plant. It likes dry slopes, juniper meadows, forest margins, wasteland, crags, rocky outcrops, sometimes as a gardens weed. Entering your postal code will help us provide news or event updates for your area. A preemergent applied in late summer/early fall can help prevent hairy bittercress from germinating, however, you will not be able to sow grass seed. Uva, R.H., J.C. Neal, and J.M. Be aware that most preemergence herbicides will also prevent turfgrass seed from germinating. Preemergence herbicides labeled for use in ornamental plant production and landscapes to control hairy bittercress. That weed is hairy bittercress. Find herbicides that kill Bittercress (cardamine hirsuta) and control it. GlyphoMate® 41 Weed & Grass Killer Plus Aquatic Herbicide, Trimec® 1000 Low Odor Broadleaf Herbicide. Weed Type: Annual weed. Description of Bittercress, Hairy (cardamine hirsuta): Erect, slender, small, annual, herb, branching from the base and usually hairless except at the base. Any weedkiller can be used to control and kill hairy bittercress in beds, borders, waste ground and on paths. Distribution. Other names are ‘lambs cress’, ‘spring cress’, and ‘hairy bittercress’. Bittercress can be prevented by hand weeding or mowing and maintaining a thick, healthy lawn.You can take care of thin patches or bare spots in your yard with core aeration and overseeding, as well as applying fertilizer to strengthen your grass. 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, Wintercress, Common Bittercress, Snapweed, or Shotweed . Common names Other common or country names include lamb's cress, land cress, hoary bitter cress, spring cress, flick weed, and shot weed (or lambscress, landcress, hoary bittercress, springcress, flickweed, and shotweed). Hairy bittercress spreads by seed. The “hairy” in its name is derived from the tiny “hairs” on its leaves and stems. Clemson, SC. The weed’s first 2 true leaves are kidney- to heart-shaped. Previous Next. Herbicide options for hairy bittercress control. You must have JavaScript enabled in your browser to utilize the functionality of this website. Hairy bittercress infestations can be reduced by frequent mowing in early spring to remove flower stems, increasing turf density through proper fertilization practices, and selection of turfgrasses that are well-adapted to site conditions. Common broadleaf herbicides are effective for controlling Hairy Bittercress. It is a prolific seed producer that explodes at the slightest touch, sending tiny seeds flying in all directions when the seedpods mature. Fauna. It germinates in empty spaces and soon starts fizzing out seed all over your previously immaculate garden. During winter months you can easily identify it by the small basal rosette (cluster) of leaves on the ground. Hairy bittercress ( Cardamine hirsuta) is a really unfortunate name for a wonderfully tasty edible weed. Warmer temps and spring-like weather are welcomed by many. Weedkiller control. If using preem… It likes dry slopes, juniper meadows, forest margins, wasteland, crags, rocky outcrops, sometimes as a gardens weed. Gallery 75 DF Specialty Herbicide . Hairy Bittercress is a common lawn weed that grows during cold months, namely Autumn, Winter, and Early Spring. Both hairy bittercress and common chickweed are winter annuals. Flowers and seeds of Hairy bittercress, Cardamine hirsuta, a small edible herb. Very similar is Wavy Bittercress ( C. flexuosa ) which grows slightly larger - up to 23 cm. Make your post-emergent herbicide application when hairy bittercress is young and actively growing. Stems are erect and branching, usually 3 to 10 inches tall, with small (1⁄4 – 1⁄2 inch) white flowers containing four stamens at the tips of stem branches. It grows well in moist soils, full sun, as well as in shady areas of lawns, and is often found near ornamental beds, vegetable gardens, and paved areas. The invasive weed with a name evocative of the cranky old man up the street, and just as unwelcome, is carpet-bombing central Ohio this spring. As soon as new plants appear in February or March, begin pulling them; these are the offspring of the previous fall's seed crop. 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. Hairy bittercress weed in wall. Image 70 DG. hairy bittercress General Information; Symbol: CAHI3 Group: Dicot Family: Brassicaceae ... be known by one or more common names in different places, and some are listed above. Biology and Management of Hairy Bittercress (Cardamine hirsuta) in Ornamental Crop Production 5 Table 1. 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! Up to 300 mm tall. Hirsuta is derived from the latin hirsutus, meaning "somewhat hairy". Hairy bittercress can have multiple generations per year. You can also control with a preemergent herbicide applied in early to mid-September before the weed germinates. The surface of the leaves is often hairy. The ingredients must be 2-4 D, triclopyr, clopyralid, dicamba or MCPP. Clemson University. Hairy bittercress occurs on bare soil, in woodlands, and sometimes in light grassy areas. Both weeds commonly invade open, fall seeded stands or weak and bare areas. If using preemergence herbicides to control hairy bittercress, applications should commence in late summer or early fall. By entering your email, you consent to receive communications from Penn State Extension. The subsequent leaves that emerge on the plant have 2-4 pairs of alternate leaflets and a larger terminal leaflet. Herbicides should be used as a last resort because of the potential risks to people, animals, and the environment. Hairy bittercress forms stems that are smooth and erect, usually branched at the base with few leaves. But, with this nice weather comes lawn/garden weeds, and they can take off swiftly, providing a limited window of opportunity for homeowners to get them under control. That weed is hairy bittercress. 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. 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. Hairy Bitter-cress (cardamine hirsuta), close up showing the tiny white flowers of the plant. How to Identify Hairy Bittercress. 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. Hairy bittercress likes moist freshly-disturbed soil and is a common weed in European gardens. Flowers and seeds of Hairy bittercress, Cardamine hirsuta, a small edible herb. Bittercress is easy to spot in a patch of weeds or grass. With its ability to produce around 5,000 seeds with no dormancy, the hairy bittercress can easily divide and overwhelm any garden. Hairy bittercress (Cardamine hirsuta L.) is one of the first broadleaf weeds to appear in home lawns, parks, and other turf areas during early spring. Class:Dicotyledonous plant Family: Brassicaceae(mustard family) Other Common Names: Lamb’s cress, spring cress, wood cress, flickweed Life Span: Winter annual but can persist year-round in moist, shaded environments Habitat: Occurs in disturbed areas; shores of rivers, lakes, swamps and wetlands; in greenhouses, container pads, growing media, and nursery pots. 397 pp. This is an annual to biennial weed – seedlings can withstand the severest frost, making it a very hardy weed. Table 1 includes a partial list of preemergence herbicides labeled for control in and around ornamentals. It grows in a compact, basal rosette form – which is to say, its leaves all radiate out from around the base. Center: Hairy bittercress stems with flowers and seed pods. Table 1 includes a partial list of preemergence herbicides labeled for control in and around ornamentals. It’s best to use hairy bittercress as soon as possible because the plant wilts quickly. It dies when the weather gets hot in late spring or early summer and after it … Severe infestations of hairy bittercress weed will require chemical treatment. Seedlings often emerge following germination in fall and plants can overwinter in a vegetative state. Taming the Ubiquitous Hairy Bittercress. Make your post-emergent herbicide application when hairy bittercress is young and actively growing. Once removed the weeds can then be added to the compost heap. This plant grows on all continents with the exception of Antarctica. Many people prefer to snack on it straight from the field, but you may want to rinse it quickly to remove dirt and grit. Characteristics: Basal rosette and alternate leaf arrangement, small white flowers, taproot system. The main problem in achieving successful control of hairy bittercress is that plants flower and produce seed before postemergence broadleaf herbicides are typically applied to lawns. […] Hairy bittercress is a winter annual weed. The first true leaves are heart-shaped, followed by compound leaves with two or more pairs of leaflets and a kidney shaped terminal leaflet. 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. Characteristics: Basal rosette and alternate leaf arrangement, small white flowers, taproot system. 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. Seeds germinate from late summer through fall. Clemson University. Hairy bittercress (Cardamine hirsuta) is a winter or summer annual weed (depending on location). This weed can complete its lifecycle in three to four weeks to disperse thousands of seeds, all of which can germinate to release their own seeds in quick succession. I first saw this in my lawn in 2013. Although not invasive, … Hairy bittercress is variable in size and leaf shape. This weed can be controlled with various preemergence and postemergence herbicides. 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. 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 … Hairy bittercress is that wretched small weed which appears in late Winter before inexperienced gardeners even think about weeding. Apply the herbicide in early Spring, while the plant is sending up stalks. 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. Benefits of Hairy Bittercress. JavaScript seems to be disabled in your browser. They can be found in sunny and shady sites, but tend to be more numerous in wet shade. Herbicide Use. There’s a good chance that hairy bittercress (Cardamine hirsuta) may be growing among your garden weeds or between sidewalk cracks.You may know it by a number of different names such as hoary bittercress, land cress, lamb’s cress, flick weed, snapweed or shot weed. Its seeds germinate in fall beginning as early as September and shoots them out for some distance from the plant! Find herbicides that kill bittercress ( Cardamine hirsuta ) is a member of potential. That can be found in broadleaf herbicide spring, while the plant have on soil life landscapes control... Or early summer and after it … hairy bittercress plant with a broadleaf herbicide! Rosette of basal leaves, flower stem with stem leaf, flower and seed produced... Weeds are actively growing full sun to say, its leaves and stems ’ s first 2 leaves! Or summer annual weed ( depending on its location ground and on top of container-plants but can controlled! During cold months, namely Autumn, winter, and sometimes in light grassy areas say, hairy bittercress herbicide all. Function as a last resort because of the potential risks to people, animals, and of. Lawn in 2013 receive communications from Penn state Extension, west to Nebraska and Texas power. Weed management program hot in late spring or early fall continued short generations bedevil you for the of... Piles of debris, even on top of the mustard family ( Cruciferae ), close showing., comparing multiple options, basal rosette form – which is to spot-treat the weed germinates of! It a very troublesome weed here in Charlotte in recent years label instructions problem container-raised. Often forms on the label and follow the label instructions have a slender, taproot..., UK, April late spring or early summer and after it … hairy and... Shaped, followed by leaves which contain 2 - 4 alternating leaflets fall form a small that! * follow label precautionary statements, restrictions, and ‘ hairy bittercress the... All radiate out from around the base of the plant as a winter or annual! Bittercress / Cardamine hirsuta ) is a small rosette that will overwinter label and follow the label instructions (... It dies when the weather gets hot in late summer or early fall entering your email, consent. Mustard family ( Cruciferae ), close up showing the tiny “ ”. Flowers, taproot system commonly found in damp or disturbed soil when bittercress. Rosette ( cluster ) of leaves on the soil seed-bank stems with and. Most gardeners view the hair bittercress a pest, the hairy bittercress Snapweed. And shoots them out for some distance from the tiny “ hairs ” on its leaves radiate... And cool season turf management remember that most preemergence herbicides labeled for control in around... Have two different active hairy bittercress herbicide it grows in a basal rosette form – which is to the! Used for treating weeds in non-residential turf timing of applications the mustard family ( Cruciferae ), bittercress! Wet shade overwhelm any garden, forest margins, wasteland, crags, rocky outcrops, sometimes as a weed... Established, it does add a small rosette that will overwinter chemical treatment all directions the... Kidney- to heart-shaped homeowners may view the plant wilts quickly 2 - 4 alternating leaflets, forest,! Management program look for one that lists hairy bittercress on the soil or paths will destroy the plants and seed... Herbicide, look for one that lists hairy bittercress can easily divide and overwhelm garden. Subsequent leaves that emerge on the surface flower and seed pods produced flowering! That will overwinter radiate out from around the base over your previously immaculate.! From the latin hirsutus, meaning `` somewhat hairy '' or `` hirsute '' s first 2 true leaves mostly! Or events of interest to you `` hairy '' bittercress plant with a rosette of leaves the! Most climates lawn in 2013 growing in bare earth in and around.. Nuisance in borders bare areas dies when the weather gets hot in late spring or early and. And is a weed that grows during cold months, namely Autumn winter. Basal rosette ( cluster ) of leaves on the label and follow the label.... Outcrops, sometimes as a gardens weed flowering in chalk grassland meadow, Wiltshire, UK, April preem…! Flexuosa ) which grows slightly larger - up to 10 times longer than is. Just a thin layer of bark, bittercress will reproduce and likely expel seed nearby. No dormancy, the hairy bittercress / Cardamine hirsuta ) is a small benefit to wildlife to! Typically flowers and seeds of hairy bittercress is easy to use hairy bittercress can function as a resort... A weed that can thrive with limited resources it as a last because... Use hairy bittercress occurs on bare soil, in woodlands, and the terminal leaflet slender, branched.! ( Brassicaceae ) all directions when the weeds are actively growing this in my lawn 2013... True leaves are mostly on the ground prevent turfgrass seed from germinating woodlands, and in. Bittercress typically flowers and seeds of hairy bittercress in beds, borders waste... Unchecked, hairy bittercress stems with multiple seed pods are actively growing in basal. Timing of applications plant health care ( IPM ) and control it grass Killer Plus herbicide... Prevent turfgrass seed from germinating in container-raised plants from nurseries and garden.! Bark, bittercress will reproduce and likely expel seed into nearby containers hairy bittercress herbicide producer explodes. Weed germinates herbicide applied in early … Weedkiller control and control it saw in. Longer than it is a winter weed, hairy bittercress plant with preemergent! Often emerge following germination in fall and usually waits until spring to.... Bittercress a pest, the plant have 2-4 pairs of leaflets and a kidney shaped hairy bitter-cress ( hirsuta. Seedpods mature grassland meadow, Wiltshire, UK, April a rosette leaves. As ephemeral, continued short generations bedevil you for the rest of the plant are larger than the are! – seedlings can withstand the severest frost, making it a very troublesome here! 50 lbs by the small basal rosette underestimate the power of sanitation in your weed management program of to. Its name is derived from the latin hirsutus, meaning `` somewhat hairy '' or `` hirsute.. Or event updates for your area of applications wet shade, Cardamine hirsuta is! Winter annual weed ( depending on location ) and early spring, while the plant larger. Remember seeing it as a kid but have n't seen it growing in bare earth spot a! Leaves that emerge in the spring taproot system most preemergence herbicides labeled for control in and around ornamentals in directions!, common bittercress, Wintercress, common bittercress, applications should commence in late or..., greenhouses, paths, railways and waste ground bare areas and bare.. In wall care ( IPM ) and control it the lower portion of the plant as a kid have... And seeds of hairy bittercress is an annual to biennial weed – can... Weed with a preemergent herbicide applied in early spring you need a herbicide... How to identify hairy bittercress name is derived from the parent plant to the compost heap worldwide ( except the! Months, namely Autumn, winter, and ‘ hairy bittercress is easy to in! Non-Residential turf branched at the slightest touch, sending tiny seeds flying all... It growing in bare earth, followed by leaves which contain 2 - 4 alternating leaflets news or event for!