(Wetland indicator code: How to eradicate speedwell in lawns. lisianthus flower , eistoma grandiflorum, … Want to see which lists are available? TurfFiles provides turfgrass information to homeowners, students, extension personnel and professional turfgrass managers. Corn speedwell is a winter annual weed with tiny bright blue flowers. It is often difficult to tell one species from another. Individual leaves on lower stems are approximately ½ to ¾-inch long, mostly oval, with serrated margins. 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. Corn speedwell (Veronica arvensis) seeds have a special talent for finding the one disturbed spot in an otherwise perfect lawn. unintentionally); has become naturalized. Based in the College of Agriculture and Life Sciences, we reach millions of Corn speedwell is similar in many respects to Persian and ivyleaf speedwell. annual, sprawling plant is commonly found all over NZ grows in gardens, arable land, waste open land, rough pasture and dry river beds. Speedwells have a short taproot to fibrous root systems and branching upright stems. The flowers are a lovely shade of blue-violet or blue, but they are very small in size and short-lived. Professor and Extension Turfgrass Specialist. Share. Herb: Corn Speedwell Latin name: Veronica arvensis Family: Scrophulariaceae (Figwort Family) Medicinal use of Corn Speedwell: The herb is alterative, antiscorbutic and diuretic. Propagation of Corn Speedwell: Seed - sow spring or autumn in situ. Corn speedwell flowers are small and white to blue in color. Leaves. Germander speedwell veronica chamaedrys is a stronger growing coarser species than v. Speedwell control in gardens. Veronica arvensis is a ANNUAL growing to 0.2 m (0ft 8in). populations both exist in a county, only native status State documented: documented What made it so helpful? Germander speedwell (Veronica chamaedrys) is a stronger growing, coarser species than V. filiformis, flowering March to August. The upper leaves are more pointed. the state. It is not usually found in thick, healthy lawns but can be a problem in thin, weak grass stands and newly seeded areas; where it is capable of forming dense mats. It is native in grassland, open woodland and hedgerows throughout the … First, select adapted turfgrass cultivars for your area and then properly fertilize, mow, and water to encourage dense growth. Anthropogenic (man-made or disturbed habitats), meadows and fields, Usually occurs in non-wetlands, but occasionally in wetlands. (Optional) (Speedwell species) that have been introduced from Europe. NC State Extension is the largest outreach program at NC State University. is shown on the map. Also covers Persian speedwell (Veronica persic a), also called veronica speedwell, is a low-growing winter annual weed found in turf, nursery crops, and waste areas. You'll notice them growing in the early spring and into summer. Bentley. The flowers are found in the leaf axis and the seed develops into a distinctive … Efficiency: not_available. Like the other speedwells, the leaves are both alternate (end of stem) and opposite (base of stem). Seeds need contact with soil sunlight and moisture to sprout and grow. It is low-growing and can form dense patches in a lawn. Plants may be found in many conditions but are best adapted to dry or sandy soils and shady lawns. to exist in the state, but not documented to a county within In modern herbal medicine, speedwell tea, brewed from the dried flowering plant, sometimes serves as a cough remedy or as a lotion for irritated or infected skin. L. E. corn speedwell. Corn speedwell is a small and inconspicuous, early-flowering non-native speedwell, recognizable by its small, dark blue flowers that are sessile (lacking a stalk). Corn speedwell (Veronica arvensis) is a small, weak, low-growing winter annual that thrives in thin open turf and often appears in solid stands.The lower leaves of corn speedwell are rounded and toothed, while the upper leaves are smaller and more pointed. Because Corn Speedwell is small and not very showy, it is easy to overlook. Veronica arvensis Known hazards of Veronica arvensis: None known Plant information taken from the Plants For A Future. The lower leaves are near round with toothed margins. Native Plant Trust or respective copyright holders. Most speedwells are annuals and grow easily from seeds of the previous year’s flowers. History and Folklore of Speedwell The name speedwell comes from an old meaning of the word speed, "thrive." Corn Speedwell can be distinguished from other similar species by its … Corn Speedwell (Veronica arvensis) Blooming from early through mid-spring (depending upon your area) Corn Speedwell, a member of the Scrophulariaceae (Figwort) family, is an introduced plant from Europe. Subscribe By Email chevron_right. Suddenly, in late spring, a little green weed with triangular, deeply scalloped lower leaves appears bearing small blue flowers. Corn speedwell is similar in appearance to Persian and ivyleaf speedwell. If a section of a Corn Speedwell petal is removed from the flower, and examined under the microscope, its variable blue pigmentation, and cellular structure are visible. The plant is self-fertile. The entire corn speedwell plant is covered with soft, fine hairs. Small rounded leaves no more than 1/2 inch in diameter. The weeds will take over a lawn with a thick bed of leaves that will sprout pale blue and white colored flowers. Close × Share This Page. The lower, non-flower, portion of the plant has leaves that are round-to-oblong with rounded teeth on the margin in an opposite arrangement. Weed Identification. (intentionally or Borne in a raceme, initially compact but elongating with age, the flowers are pale blue to blue-violet, 2 to 3 mm in diameter, four-lobed with a narrow lowest lobe. Found this plant? A dense, vigorous turf is the best way to reduce the encroachment of this weed. What separates NC State University from other schools? and with the Eastern Band of Cherokee Indians. They are usually very weedy species. Photos and information about Minnesota flora - Corn Speedwell: 1/8-inch tubular blue to violet flowers with 4 rounded lobes of unequal size, and 2 white stamens. Leaves on elevated stems are shorter and narrower than lower leaves, generally, do not have serrated margins, and are pointed at the tip. Menu; Search. Efficiency: not_available. The Go Botany project is supported 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. Plant name: or try: advanced plant search goal $12000. Upper leaves are very small and appear in clusters. It is used in the treatment of scurvy, impurities of the blood etc. The fruit is a heart-shaped … … Corn Speedwell (Veronica arvensis) Blooming from early through mid-spring (depending upon your area) Corn Speedwell, a member of the Scrophulariaceae (Figwort) family, is an introduced plant from Europe. Corn speedwell flowers are small and white to blue in color. Slender speedwell (Veronica filiformis) is a low-growing plant with bright blue, long-stemmed flowers early in the year, usually March to May. Go Botany: Native Plant Trust Corn speedwell – Veronica arvensis. Speedwells have a short taproot to fibrous root systems and branching upright stems. Also known as Veronica, Speedwell is a tiny herbaceous plant that grows mainly in the Northern Hemisphere. Cooperative Extension has offices in every county, https://content.ces.ncsu.edu/corn-speedwell, 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 (Echelon 4 SC) 4 SC, [thiencarbazone-methyl + iodosulfuron + dicamba], MOA 14 + 2 + 4 (68 WG) (Celsius WG), [thiencarbazone-methyl + foramsulfuron + halosulfuron], MOA 14 + 2 + 2 (60.5 WG) (Tribute Total), carfentrazone-ethyl, MOA 14 (1.9 EW) (various brands), [carfentrazone + 2,4-D ester + MCPP + dicamba], MOA 14 + 4 + 4 + 4 (2.2 EC) (Speed Zone), [carfentrazone + 2,4-D ester + MCPP + dicamba], MOA 14 + 4 + 4 + 4 (0.81 EC) (Speed Zone Southern), [carfentrazone + MCPA ester + MCPP + dicamba], MOA 14 + 4 + 4 + 4 (2.91 EC) (Power Zone), penoxsulam + sulfentrazone + 2,4-D + dicamba (Avenue South), [sulfentrazone + 2,4-D amine + MCPP + dicamba], MOA 14 + 4 + 4 + 4 (2.18 SL) (Surge), [triclopyr ester + sulfentrazone + 2,4-D ester + dicamba], MOA 4 + 14 + 4 + 4 (2.51 EC) (Tzone SE), lower leaves egg-shaped or round, upper leaves linear, lower leaves opposite, upper leaves alternate. evidence (herbarium specimen, photograph). post Corn speedwell is a winter annual (i.e., emerges in the fall, flowers in spring and then dies) and has flowers, seed pods and leaves similar to slender speedwell. Holly Blue Butterfly on Speedwell Flower in Springtime. The leaves on the flowering upper branches are much more narrow (lance-like), sessile (without petioles) with an alternate arrangement. Lower and middle leaves are opposite, broadly egg-shaped, hairy and short-stalked with rounded teeth along the margins. small 1 cm wide solitary flowers, where the three upper petals are bright blue and the lower petal whitish or pale blue. Did you know? The upper leaves are more pointed. Leaves of corn speedwell, however, are much smaller than those of slender speedwell. in part by the National Science Foundation. 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. Discover thousands of New England plants. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. However, it has the smallest leaves of the three species. It is in flower from March to October. … Read our Commitment to Diversity | Read our Privacy Statement. This Extension factsheet can also be viewed at: N.C. The lower, non-flower, portion of the plant has leaves that are round-to-oblong with rounded teeth on the margin in an opposite arrangement. Corn speedwell produces branching stems which grow close to the ground in prostrate fashion, then turn upright, giving rise to flowers. Size of lower (left) and upper (right) leaves of corn speedwell. The hardy medium sized speedwell, with striking 1 to 3 foot flower spikes, flourishes in USDA hardiness zones 3-8… Ivyleaf speedwell leaves are thicker and less serrated than those of either corn or Persian speedwell. 2020 Show For details, please check with your state. An easy to care for perennial with flowers in an array of vibrant blues, pinks and white, the speedwell is drought resistant but should be watered in the summer when there is less than an inch of rainfall per week. Corn speedwell weeds are common throughout the United States. a sighting. Found in shady areas with dry, sandy, or start a new search explore... A variety of situations, but are mostly found in many conditions but are mostly found in many to! Way to reduce the encroachment of this weed light ( sandy ), (! 2020 native plant Trust or respective copyright holders speedwell ( Veronica corn speedwell flower ) an. In non-wetlands, but not documented to exist in a lawn the United States to 0.2 m 0ft! Prefers sunny locations in poor soils that are round-to-oblong with rounded teeth along the margins turfgrass cultivars for your and. Will sprout pale blue and white colored flowers get rid of corn speedwell a. 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