The Go Botany project is supported They quickly invade thin turf areas especially where there is good soil moisture. Speedwell is plentiful now in spring. Size of lower (left) and upper (right) leaves of corn speedwell. Corn speedwell is a winter annual that germinates in mid-fall. Suddenly, in late spring, a little green weed with triangular, deeply scalloped lower leaves appears bearing small blue flowers. Like the other speedwells, the leaves are both alternate (end of stem) and opposite (base of stem). Individual leaves on lower stems are approximately ½ to ¾-inch long, mostly oval, with serrated margins. All Characteristics, alternate: there is one leaf per node along the stem, opposite: there are two leaves per node along the stem, the edge of the leaf blade is entire (has no teeth or lobes), the petal outline is oblong (rectangular, but with rounded ends), the petal outline is orbicular (roughly circular, as wide as long), the fruit is another shape than those described, the leaf has a distinct leaf stalk (petiole), the base of the leaf blade is cordate (heart-shaped, has rounded lobes at the base), the base of the leaf blade is truncate (ends abruptly in a more or less straight line as though cut off), the leaf blade is ovate (widest below the middle and broadly tapering at both ends), the leaf blade is triangular, with the stalk or attachment point on one of the sides, the leaves have no leaf stalks, but attach directly to the stem, the petiole attaches at the basal margin of the leaf blade, the leaf blade margin has forward-pointing teeth, there are two leaves per node along the stem, there is one leaf per node along the stem. rock speedwell. Corn speedwell is an upright, clumping winter annual that produces small purple flowers in the spring. All rights reserved. Can you please help us? (intentionally or It is in flower from March to October. Macro closeup of blue corn speedwell flower. A dense, vigorous turf is the best way to reduce the encroachment of this weed. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. All images and text © Lower and middle leaves are opposite, broadly egg-shaped, hairy, short-stalked with rounded teeth along the margins. Corn speedwell is similar in many respects to Persian and ivyleaf speedwell. 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. Read our Commitment to Diversity | Read our Privacy Statement. Corn speedwell is a winter annual that germinates in mid-fall. 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. The entire corn speedwell plant is covered with soft, fine hairs. Speedwells have a short taproot to fibrous root systems and branching upright stems. 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. … and with the Eastern Band of Cherokee Indians. those considered historical (not seen in 20 years). What made it so helpful? Weed Identification. 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. Go Botany: Native Plant Trust The plant has a long blooming season, from June to August, and is fairly pest and disease resistant as well, with the exception of some issues like powdery mildew, spider mites, and thrips. NH, (Wetland indicator code: 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. Corn speedwell weeds are common throughout the United States. The lower leaves of corn speedwell are rounded and toothed, while the upper leaves are smaller and more pointed. Take a photo and Corn speedwell is a spreading winter annual that germinates in the fall. Trial. First, select adapted turfgrass cultivars for your area and then properly fertilize, mow, and water to encourage dense growth. a sighting. Menu; Search. 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 Winter annual with prostrate growth habit. The lower leaves are near round with toothed margins. Vernacular names for Germander speedwell include Cat's eye, Eye of the child Jesus, Farewell, Goodbye. … Holly Blue Butterfly on Speedwell Flower in Springtime. 4.  Corn speedwell weeds are common throughout the United States. Small, narrow, bract-like upper leaves are alternate and without petioles. Efficiency: ★ Alliance. Veronica arvensis × New and Unread Tree-Mails. The upper leaves are more pointed. Known hazards of Veronica arvensis: None known Plant information taken from the Plants For A Future. How to get rid of corn speedwell in lawn. Ecopar. The Corn speedwell flower is rather dainty but quite attractive. 2020 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. Persian speedwell (Veronica persic a), also called veronica speedwell, is a low-growing winter annual weed found in turf, nursery crops, and waste areas. The entire corn speedwell plant is covered with soft, fine hairs. corn speedwell. 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. Small rounded leaves no more than 1/2 inch in diameter. unintentionally); has become naturalized. you. Leaves of corn speedwell, however, are much smaller than those of slender speedwell. The plant is covered with fine hairs. Send Explanation, This Extension factsheet can also be viewed at: https://content.ces.ncsu.edu/corn-speedwell. Ivyleaf speedwell leaves are thicker and less serrated than those of either corn or Persian speedwell. In times of mild fall weather, corn speedwell can grow and spread quickly. A dense matt forming weed of thin or poor quality turf. 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). It is low-branching and spreads by seeds, occasionally forming colonies. Corn speedwell flowers are small and white to blue in color. Found this plant? Herb: Corn Speedwell Latin name: Veronica arvensis Family: Scrophulariaceae (Figwort Family) Medicinal use of Corn Speedwell: The herb is alterative, antiscorbutic and diuretic. The flowers are found in the leaf axis and the seed develops into a distinctive … Habitat. The weeds will take over a lawn with a thick bed of leaves that will sprout pale blue and white colored flowers. Corn speedwell is similar in appearance to Persian and ivyleaf speedwell. image, please click it to see who you will need to contact. 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. Crops. 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. The plant is covered with fine hairs. To reuse an is shown on the map. Actual size of lower (left) and upper (right) leaves of corn speedwell. Veronica arvensis is a ANNUAL growing to 0.2 m (0ft 8in). annual, sprawling plant is commonly found all over NZ grows in gardens, arable land, waste open land, rough pasture and dry river beds. However, it has the smallest leaves of the three species. $20581 donated. Germander Speedwell flowers from March to July. Subscribe By Email chevron_right. to exist in the state, but not documented to a county within Small, narrow, bract-like upper leaves are alternate and without petioles. Effective on. At the very base of the corolla tube, the structure is green in colour due to the presence of chlorophyll. Propagation of Corn Speedwell: Seed - sow spring or autumn in situ. Speedwells can grow in a variety of situations, but are mostly found in shady areas with dry, sandy, or rocky soils. History and Folklore of Speedwell The name speedwell comes from an old meaning of the word speed, "thrive." Some edges of the petal, near the corolla’s throat, have hairs growing on them. Other speedwell species vary slightly in their flowering times - for example, Heath Speedwell blooms later from May to August and the introduced Common Field Speedwell can often be seen all year round. The flowers are a lovely shade of blue-violet or blue, but they are very small in size and short-lived. The hardy medium sized speedwell, with striking 1 to 3 foot flower spikes, flourishes in USDA hardiness zones 3-8… RI, Also known as Veronica, Speedwell is a tiny herbaceous plant that grows mainly in the Northern Hemisphere. Also covers those considered historical (not seen Bentley. Note: when native and non-native How to eradicate speedwell in lawns. This Extension factsheet can also be viewed at: N.C. 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. There are several types of Speedwell, all with numerous small, lobed leaves and small flowers, which vary in the color and can be white, blue, pink, and purple. This plant is a beautiful sight to behold when it blossoms; with slender spine, deep-green leaves and purple flowers, you forget how terrible it can be to your lawn. Corn Speedwell can be distinguished from other similar species by its … 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. Lower and middle leaves are opposite, broadly egg-shaped, hairy and short-stalked with rounded teeth along the margins. CT, MA, ME, The seedpods are heart-shaped in all three species. Leaves. Corn speedwell is a winter annual weed with tiny bright blue flowers. Both the leaves and stems are fleshy. Lower and middle leaves are opposite, broadly egg-shaped, hairy, short-stalked with rounded teeth along the margins. Factsheet can also be viewed at: N.C previous year ’ corn speedwell flower.! 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