Individuals can grow to 0.12 m. First, select adapted turfgrass cultivars for your area and then properly fertilize, mow, and water to encourage dense growth. Hairy Bittercress Identification Hairy bittercress seed germinates in late fall and, after emergence, forms a rosette as well as a fibrous root system. 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. 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. Two to four pairs of leaflets are arranged alternately on each leaf stem. 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. The leaves contain antioxidants, vitamin C, calcium, magnesium, and beta-carotene. N.C. Hairy bittercress and other winter annual weed species, like common chickweed and purple deadnettle, are not typically present during the summer months. Hairy Bittercress – A Delightful Misnomer As far as I’m concerned, hairy bittercress (Cardamine hirsuta) is neither hairy nor bitter. Small white flowers form at the end of the stems. Up to 300 mm tall. It is nice to add to a salad, a sandwich, or soup. 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 (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. 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. 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. The plant is self-fertile. Annual weed seeds overwinter and then burst into growth towards the end of the season. 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. Hairy bittercress can be used like horseradish or watercress to add a kick to dishes like beef tartare. Growth from a rosette allows this species to tolerate frequent mowing at a diversity of heights of cut (Figure 1). Once the seed pods ripen, disturbing the pods will send the seeds flying as far as 16 feet. If used in the right proportions, it’s also tasty in fish broth and other strongly-flavored seafood recipes. Control: Evaluate 2003 herbicide trials conducted at Oregon State University. Leaves at the base of the plant are larger than the leaves at the top of the plant. View our privacy policy. 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. 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. It really picks up growth in early spring. What separates NC State University from other schools? Don’t be fooled by the common name—its flavor is mild and peppery, not bitter. Read our Commitment to Diversity | Read our Privacy Statement. The surface of the leaves is often hairy. Among them are common chickweed, deadnettle, henbit, shepherd’s purse, and Persian speedwell. Leaf margins are deeply lobed. Hairy bittercress typically flowers and produces seed during early spring. This Extension factsheet can also be viewed at: N.C. and with the Eastern Band of Cherokee Indians. Stems can be 3-9 inches long, and the leaves are mostly on the lower portion of the stem in a basal rosette. 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. Hairy bittercress going to seed. Celsius WG Herbicide. Cardamine hirsuta is a ANNUAL growing to 0.3 m (1ft). Leaf margins are deeply lobed. They quickly invade thin turf areas especially where there is good soil moisture. […] Flowers are small and white. Each flower has four white petals that form in the shape of a cross. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in nutritionally poor soil. Foraging for hairy bittercress can be as simple as walking out into your backyard. Photo credit: Susan Marquesen. This plant is growing in my back yard. Leaves at the base of the plant are larger than the leaves at the top of the plant. Botanists call this mechanism ballochory, meaning ballistic seed dispersal. You will find hairy bittercress in your lawn where the turf is thin and in bare areas of your garden beds. Hairy bittercress is a hardy, frost-tolerant plant that remains green throughout the winter in most climates. Subscribe By Email chevron_right. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. What made it so helpful? North Carolina citizens each year through local centers in the state's 100 counties Get notified when we have news, courses, or events of interest to you. Collecting . Learning how it disperses seed will help you get ahead of this persistent weed. It has a self-supporting growth form. How to identify Hairy Bittercress, Cardamine hirsuta. 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. To reduce its numbers, prevent it from germinating by eliminating bare soil in your garden. In C. flexuosa the fruits do not overtop the younger flowers. Small round fruits (capsules) develop at the ends of each branch. Bittercress and aphids: As if bittercress weren't bad enough by itself, it also is a refuge for aphids. Hairy bittercress is a prolific seed producer. Stems can be 3-9 inches long, and the leaves are mostly on the lower portion of the stem in a basal rosette. 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