Trade Your Lawn For A Ground Cover

(NAPSI)-If you're considering what to do about a hard-to-mow patch of your garden, ground cover may have it covered. Most ground covers require less work and fewer chemicals than a lawn--and they never need mowing.

Ground covers do exactly what their name implies: cover the ground with dense plant growth, choking out weeds and lending color and texture to a space. Even hostas and daylilies can be considered ground covers.

Regular turfgrass does a good job if you have a very large, sunny yard. But if you have a smaller area, a spot with shady pockets where turfgrass struggles, a difficult slope where mowing is difficult or another unusual situation, a ground cover can work wonders.

Many ground covers don't like to be walked on, but a few, such as creeping thyme or brass buttons (Leptinella squalida "Platt's Black"), tolerate some foot traffic and look great when planted between pavers and flagstones. Pink Chintz even sports tiny pink flowers in early spring.

If you want color in a partially sunny to sunny area, try the three-part Forever & Ever® GroundCover Sedum Carpet Collection. Golden foliage and flowers from Angelina, bronzy-red leaves and red flowers from Red Carpet and rich green foliage and yellow flowers from Kamschaticum sedum will light up the space.

Many sedums, including John Creech, Sedum divergens, Blue Spruce and Ogon, serve as reliable and beautiful ground covers whose stems can be left for months to provide winter interest. Just clip or break off the old dry stems in early spring before new growth starts.

Ornamental grasses, which come in various heights and shapes, work well in sunny spaces.

In partial to full sun, try a silver-veined winter creeper called Wolong Ghost, a type of spreading euonymus that just needs regular water to stay looking fresh.

Vinca minor, a stalwart ground cover for shade, gets a makeover with "Merlot." Instead of the traditional blue flowers, you'll get burgundy flowers in spring. Or seek out "Double Bowles" vinca minor, with a ruffle of extra petals in a lighter shade of violet.

All these tough ground covers are available at home and garden centers.

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UGA Gets $2.5 Million in Grants to Study Plants to Make Biofuels

University of Georgia researchers were recently awarded two grants totaling $2.5 million to help find better ways to produce biofuels from switchgrass and sunflowers.

UGA was one of eight universities to receive grants from a program jointly funded by the U.S. Department of Agriculture and the U.S. Department of Energy. The program aims to accelerate research in biomass genomics and further the use of cellulosic plant material for bioenergy and biofuels.

“Developing cost-effective means of producing cellulosic biofuels on a national scale poses major scientific challenges,” said Raymond Orbach, a DOE undersecretary. “These grants will help in developing the type of transformational breakthroughs needed in basic science to make this happen.

“The USDA is committed to fostering a sustainable domestic biofuels industry at home in rural America,” said Gale Buchanan, a USDA undersecretary. “These grants will broaden the sources of energy from many crops as well as improve the efficiency and options among renewable fuels.”

The UGA grants were awarded to scientists in the College of Agricultural and Environmental Sciences and the Franklin College of Arts and Sciences.

Steven Knapp, CAES professor and Georgia Research Alliance Eminent Scholar, Jeff Dean and Joe Nairn, UGA researchers, Mark Davis, DOE researcher, and Laura Marek, USDA researcher, received $1.2 million to study the genomics of sunflower.

“Certain wild species of sunflower produce woody stems and high biomass yields, often reaching heights of 18 to 21 feet,” Knapp said. “Our grant focuses on understanding genetic mechanisms underlying wood production and biomass accumulation in sunflower.”

In addition, Knapp is working with Mark Davis at the DOE National Renewable Energy Laboratory in Colorado to study the biofuel properties of sunflower.

“They will be providing us with state-of-the-art chemical measurements which are needed to identify genetic factors affecting wood formation and cellulosic biomass accumulation,” Knapp said.

Jeffrey Bennetzen, the Norman and Doris Giles/Georgia Research Alliance professor of molecular genetics in Franklin College, received the second grant for $1.295 million. It will fund a cooperative project with Katrien Devos, a CAES professor of crop and soil science and plant biology. They hope to develop genetic and genomic tools to study foxtail millet, a close relative of switchgrass.

Switchgrass is an excellent source of biomass for producing ethanol. Unlike corn, which is used now to make most U.S. ethanol, switchgrass is a perennial that grows on poor soil with little water, fertilizer or pesticides.

“Ethanol from switchgrass is a very different story from ethanol from maize grain,” Bennetzen said. “Ethanol from maize grain requires large inputs and produces no net carbon capture to reduce carbon dioxide in the atmosphere. Switchgrass captures carbon dioxide very effectively and will not lead to increased food costs because it does not take acreage away from food production.”

But switchgrass has limitations, he said. Researchers need to find more efficient ways to convert lignocellulose—the material that makes up wood, leaves, stems—into ethanol.

Learning more about foxtail millet, he said, will help. It’s easier to study than switchgrass.

“Once the foxtail millet genome is sequenced, we will be able to quickly find the genes involved in making lignocellulose in foxtail millet, and this will make them easy to find in switchgrass as well,” Bennetzen said.“We can then study these genes and find ways to improve this performance so that switchgrass is easier to convert to ethanol.”

Improving this process is part of another project at UGA called the BioEnergy Science Center.

“For the average Georgian, the outcome of the research in this project will be less expensive liquid fuels, less dependence on foreign oil, lower food costs and less release of carbon dioxide into the environment,” Bennetzen said. “We won’t see these outcomes in the next year or two, but there is every reason to believe that they will come into effect over the next five to 10 years.”

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