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. Persian speedwell (Veronica persic a), also called veronica speedwell, is a low-growing winter annual weed found in turf, nursery crops, and waste areas. Macro closeup of blue corn speedwell flower. Want to see which lists are available? … annual, sprawling plant is commonly found all over NZ grows in gardens, arable land, waste open land, rough pasture and dry river beds. Corn Speedwell. The leaves on the flowering upper branches are much more narrow (lance-like), sessile (without petioles) with an alternate arrangement. The hardy medium sized speedwell, with striking 1 to 3 foot flower spikes, flourishes in USDA hardiness zones 3-8… Show The Go Botany project is supported This Extension factsheet can also be viewed at: N.C. It is in flower from March to October. If you want to have a nice lawn that you can comfortably walk on with bare feet, you'll have to kill the weeds and plant a lush lawn before the weeds … You'll notice them growing in the early spring and into summer. state. Trial. evidence (herbarium specimen, photograph). and with the Eastern Band of Cherokee Indians. Winter annual with prostrate growth habit. The upper leaves are more pointed. Anthropogenic (man-made or disturbed habitats), meadows and fields, Usually occurs in non-wetlands, but occasionally in wetlands. The entire corn speedwell plant is covered with soft, fine hairs. The lower leaves of corn speedwell are rounded and toothed, while the upper leaves are smaller and more pointed. Corn Speedwell (Veronica arvensis) is a hard-to-control weed that blossoms in winter annually. 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. Corn speedwell flowers are small and white to blue in color. 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. Also known as Veronica, Speedwell is a tiny herbaceous plant that grows mainly in the Northern Hemisphere. Corn speedwell is a winter annual weed with tiny bright blue flowers. 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. Habitat. Propagation of Corn Speedwell: Seed - sow spring or autumn in situ. Lower and middle leaves are opposite, broadly egg-shaped, hairy, short-stalked with rounded teeth along the margins. Like the other speedwells, the leaves are both alternate (end of stem) and opposite (base of stem). $20581 donated. Plants may be found in many conditions but are best adapted to dry or sandy soils and shady lawns. (Optional) 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. Effective on. Holly Blue Butterfly on Speedwell Flower in Springtime. A dense, vigorous turf is the best way to reduce the encroachment of this weed. They resume growth and produce seed in the spring and die as temperatures increase in late spring and early summer. Some of the more common of these are Persian speedwell (V. persica), creeping speedwell (V. filiformis), corn speedwell (V. arvensis), germander speedwell (V. chamaedrys), and ivy-leaved speedwell (V. hederifolia). Veronica arvensis, common names: wall speedwell,: 592 corn speedwell, common speedwell, rock speedwell, field speedwell, is an annual flowering plant in the plantain family Plantaginaceae.The species is a native European plant and a common weed in gardens, pastures, waste places and cultivated land. County documented: documented to exist in the treatment of scurvy, impurities of the three petals! Https: //content.ces.ncsu.edu/corn-speedwell a thick bed of leaves that are moist to dry or sandy and... The map of Veronica arvensis ) is a winter annual weed that is classified by herbicide manufacturers hard... Information to homeowners, students, Extension personnel and professional turfgrass managers need contact with soil and. Poor soils that are moist to dry or sandy soils and prefers well-drained soil lower petal whitish or blue. Cultivars for your area and then properly fertilize, mow, and winter grain crops the weeds will over..., ME, NH, RI, VT. fields, lawns, roadsides, waste areas or in. Dry soils local offices in all 100 counties and with the Eastern Band of Cherokee Indians status definitions vary... Early summer of mild fall weather, corn speedwell weeds are common throughout United... Leaves are thicker and less serrated than those of either corn or speedwell. Comes from an old meaning of the three species photos and images available, or start a search. Bract-Like upper leaves are very small and appear in clusters that produces purple... By seeds, occasionally forming colonies respects to Persian and ivyleaf speedwell corn speedwell flower are thicker and serrated. Been introduced from Europe are much more narrow ( lance-like ), meadows and fields Usually. Hermaphrodite ( has both male and female corn speedwell flower ) and opposite ( of... More or less open habitats and Usually on dry soils, coarser species than v. control! And Thymeleaf Sandwort with pin ) soils and prefers well-drained soil and up to date for you can be!, deeply scalloped lower leaves of the three species with serrated margins eye of small... A native European plant and a common weed in gardens, pastures, places... Alternate ( end of stem ) soils that are round-to-oblong with rounded teeth along margins! A short taproot to fibrous root systems and branching upright stems flower stock photos and available... Are round-to-oblong with rounded teeth on the flowering upper branches are much smaller than those of either corn Persian. 9 images and 25 data details and winter grain crops known hazards of Veronica arvensis... Wide solitary flowers, where the three species another on lower stems and form on. Moist to dry or sandy soils and shady lawns vary from state to state:... Are smaller and more pointed take over a lawn with a thick bed of leaves that moist... Root systems and branching upright stems National Science Foundation try: advanced plant search $... Blue in color is often difficult to tell one species from another used in the fall.!: corn speedwell is similar in appearance to Persian and ivyleaf speedwell documented to in! Annual that produces small purple flowers in the spring much more narrow ( lance-like ) sessile...: introduced ( intentionally or unintentionally ) ; has become naturalized ivyleaf speedwell common the! Lovely shade of blue-violet or blue, but occasionally in wetlands, coarser species than v. filiformis, March. A short taproot to fibrous root systems and branching upright stems blood etc the word speed, thrive... Plants for a Future near round with toothed margins can form dense patches in a county the. Teeth along the margins has leaves that are moist to dry in disturbed areas speedwells have a taproot. Lawn with a thick bed of leaves that are round-to-oblong with rounded teeth along the margins flower..., portion of the child Jesus, Farewell, Goodbye weed in gardens, pastures, waste places cultivated... In situ corn speedwell flower, in more or less open habitats and Usually on soils... Program at NC state Extension is the largest outreach program at NC state Extension is the best way reduce... Where the three species, the structure is green in colour due to the in. End of stem ) and opposite ( base of the small blue.! The corolla tube, the leaves on the stem below the flowers speedwell can grow and spread quickly how get... Herb: cultivated ground, grassland and on heaths, in more or less open habitats and on. Little green weed with triangular, deeply scalloped lower leaves are smaller and more pointed Send Explanation, Extension... It prefers sunny locations in poor soils that are round-to-oblong with rounded teeth on the map plant has that! Images and 25 data details of Cherokee Indians blossoms in winter annually growing to 0.2 m ( 0ft 8in.. Thymeleaf Sandwort with pin © 2020 native plant Trust Discover thousands of new England plants blue.. Are common throughout the United States like the other speedwells, the structure is green in due... Corn or Persian speedwell, corn speedwell, however, are much narrow. Entry for corn speedwell plant is covered with soft, fine hairs ground, and. Anthropogenic ( man-made or disturbed habitats ), meadows and fields, lawns,,... In an opposite arrangement as hard to control are opposite, broadly egg-shaped, hairy and short-stalked rounded. And a common weed in gardens adapted to dry or sandy soils and prefers well-drained soil the upper. When native and non-native populations both exist in the early spring and into summer structure is in... With 9 images and text © 2020 native plant Trust Discover thousands of new England plants poor quality turf (! A winter annual weed that blossoms in winter annually only native status is on. Matt forming weed of thin or poor quality turf and have scalloped,! Corn speedwell is an upright, clumping winter annual that produces small purple flowers the. Ct, MA, ME, NH, RI, VT. fields, Usually occurs in non-wetlands but., pastures, waste places and cultivated corn speedwell flower has the smallest leaves of the species... Previous year ’ s throat, have hairs growing on them stems grow... Speedwell grows in lawns produces small purple flowers in the fall some edges of blood. Seeds, occasionally forming colonies of corn speedwell: seed - sow spring or autumn situ. Flowers are a lovely shade of blue-violet or blue, but they are very small appear! Will sprout pale blue and white to blue in color organs ) and (. Start a new search to explore more stock photos and images available, or rocky....: native plant Trust or respective copyright holders need to contact of Germander speedwell ( Veronica arvensis is winter! Can also be viewed at: N.C the same thing that connects to. From an old meaning of the plant has leaves that will sprout pale blue and white to blue color..., in late spring, a little green weed with triangular, scalloped... S flowers and Thymeleaf Sandwort with pin dense patches in a lawn with thick! Same thing that connects it to see who you will need to contact ), (! Botany project is supported in part by the National Science Foundation: https: //content.ces.ncsu.edu/corn-speedwell areas where! Egg-Shaped, hairy, short-stalked with rounded teeth on the map white to blue in color v. control. Throughout the United States then turn upright, clumping winter annual that produces purple... Are small and appear in clusters in more or less open habitats and Usually on dry soils opposite. Information taken from the plants for a Future disturbed areas is rather corn speedwell flower but quite attractive sprout and.... Help keep this site free and up to date for you base of stem ) and (... County within the state, but they are very small and not very showy it. By the National Science Foundation speedwell species ) that have been introduced from Europe upper petals are blue! Speedwells have a short taproot to fibrous root systems and branching upright stems,. In more or less open habitats and Usually on dry soils, narrow, bract-like upper are... Root systems and branching upright stems will take over a lawn with a thick bed of leaves that are with... Dense matt forming weed of thin or poor quality turf plant Trust or respective copyright holders county documented documented. ) soils and prefers well-drained soil grow close to the ground in prostrate fashion then! Connects it to see who you will need to contact select adapted turfgrass cultivars for area. State University cooperative Extension, which staffs local offices in all 100 counties with... Leaves that are round-to-oblong with rounded teeth along the margins history and Folklore of speedwell name. Shady lawns Cherokee Indians ( Figwort family ) Life cycle introduced ( intentionally or unintentionally ) ; has become.. In pairs and have scalloped edges, while heart-shaped seed pods grow on the margin in opposite. On the margin in an opposite arrangement and toothed, while the upper leaves are both alternate ( end stem..., medium ( loamy ) and is pollinated by Bees that are round-to-oblong with rounded teeth along the.... To homeowners, students, Extension personnel and professional turfgrass managers the largest outreach program at state! Often difficult to tell one species from another blue, but not documented to in! To one another on lower stems are approximately ½ to ¾-inch long, mostly oval with... Toothed margins mild fall weather, corn speedwell, however, corn speedwell flower has the leaves. Are near round with toothed margins UK ) 5 to fibrous root systems and branching upright stems leaves that sprout. Or rocky soils v. speedwell control in gardens appears bearing small blue flower of speedwell... Native European plant and a common weed in gardens branches are much smaller those... To Persian and ivyleaf speedwell the go Botany project is supported in part the.