![]() ![]() Northern sea oat, or Chasmanthium latifolium, is a small native grass that spreads aggressively and thrives in various soil conditions and light. Just like the big bluestem, this plant changes color from season to season, enhancing the landscape’s beauty. This grass, also called Schizachyrium scoparium, is small in stature but has fluffy seedheads and beautiful short stems. The grass spreads slowly and looks lovely when mixed with other native turf arrangements. It provides a perfect display of fall color yearly, which it carries into the cool seasons, creating winter interest. Indian grassĪlso known as Sorghastrum nutans, Indian grass is among the tall native ornamental grasses Illinois. The plant is famous for its amusing seasonal variability in appearance and color. It has a wonderful height and attractive foliage and stems. ![]() Big Bluestemīig bluestem, or Andropogon gerardii, is another native grass for Illinois. Furthermore, this grass is common in Illinois landscapes due to its tough adaptability to various soil conditions. The plant has an attractive fall color, and its seedheads are eye-catching. This grass, also called Panicum virgatum, is a very tall native Illinois grass popular for its ornamental appeal. When planted under large trees, they look attractive and act as great ground covers. ![]() Illinois native grasses are divided into two categories: tall and short native grasses. Conclusion 6 Grasses Native to Illinois.Q: What grass is most common in Illinois?.Q: What grass is native to the shade in Illinois?.**Clopyralid-containing products should not be used on residential lawns but can be used for treating weeds in non-residential turf. Other labels list speedwell but do not specify the individual species. Active ingredients and products in bold type contain a specific reference to corn speedwell on the label. *Follow label precautionary statements, restrictions, and directions regarding tolerant turfgrass species, rates, and timing of applications. Trimec Classic, Threesome, Lesco Three-Way, 3-DĢ,4-D, triclopyr, fluroxypyr, and sulfentrazoneĢ,4-D, triclopyr, dicamba, and pyraflufen-ethylĢ,4-D, triclopyr, dicamba, and sulfentrazoneĬool Power, Lesco Three-Way Ester II (ester formulations) Super Trimec, Brushmaster (ester formulations)Ģ,4-D, fluroxypyr, triclopyr, and flumioxazin Active ingredientsĬlean Amine, Hardball, Weedar 64, WEEDestroy AM-40, others Some postemergence herbicide products labeled for control of corn speedwell. Lesco Pre-M AquaCap, Lesco Pre-M 3.3 EC, Pendulum 3.3 EC Some preemergence herbicide products labeled for control of corn speedwell. This weed can be suppressed or controlled with various preemergence and postemergence herbicides. Prevalence of corn speedwell can be reduced by increasing turf density through nitrogen fertilization, regular mowing, and the use of turfgrasses well-adapted to site conditions. Photo by Peter Landschoot, Penn State Management and control Flowers of corn speedwell arising from leaf axils. Photo by Peter Landschoot, Penn Stateįigure 3. Leaves on the upper portion of elevated stems are narrow, hairy, with pointed tips. Leaves of corn speedwell are hairy, oval, and opposite one another on lower stems. Fruits are heart-shaped, hairy, and contain yellow seeds.įigure 2. As with other speedwell species, each flower has two stamens and a single style. Flowers are small, ¼- to ½-inch across, with blue petals and dark-blue stripes. Single flowers develop in leaf axils near the tips of elevated stems. Leaves on elevated stems are shorter and narrower than lower leaves, generally do not have serrated margins, and are pointed at the tip. Individual leaves on lower stems are approximately ½- to ¾-inch long, mostly oval, with serrated margins. Leaves are arranged opposite to one another on lower stems and form clusters on elevated stems. IdentificationĬorn speedwell produces branching stems which grow close to the ground in prostrate fashion, then turn upright, giving rise to flowers. This weed reproduces via seeds, which germinate during cool, moist conditions in late summer, fall, or spring. ![]() Plants produce vegetative growth and flowers from early spring through summer. Life cycleĬorn speedwell ( Veronica arvensis L.) is a member of the plantain family (Plantaginaceae) and has a winter annual life cycle. It often grows in large, dense patches and is conspicuous during spring and early summer. This species can be found growing in moist or dry soils, in full sun or shade, and where turf is thin. ![]()
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