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This document printed from the University of Illinois Extension Gardening Feature at http://www.extension.uiuc.edu/jackson/
Ground Covers
May 30, 2007

Ed Billingsley
County Extension Director, Jackson County and Interim County Extension Director, Williamson County
Jackson County Unit
402 Ava Rd
Murphysboro, IL 62966
Phone: 618-687-1727
FAX: 618-687-1612
edb@uiuc.edu

Homeowners today are looking for ways to reduce lawn care. Many look to ground covers to reduce maintenance in areas that are difficult to mow. This is one reason why these plants are becoming more popular.

Ground covers when grown beneath shrubs or trees help protect these plants from mower damage. Ground covers grown on steep slopes protect soil and add softness to the landscape.

So, how do we pick groundcovers? Begin by making sure it will grown in your hardiness zone which in our area is zone 6. Next consider the location they are to be planted (wet or dry), the plants appearance for the site (the appeal), and finally how much care (whether high or low maintenance) will be required.

Begin by preparing the site. Remove all existing vegetation or consider using a herbicide. Till the soil, fertilize and lime according to a test and remove debris or rocks from the site. Wait 12-18 days to allow weeds to germinate and remove them. Begin planting and then mulch 3 - 4" deep around the new larger plants and only 1 - 2" around smaller ones.

If the site is on a slope, do not till the soil. Instead dig holes where plants will be planted. Sometimes it may be necessary to terrace the slope which means to construct flat areas. This will help slow water movement and help plants stay in the soil.

Plant the plants in a checkerboard layout. This type of pattern will help the plants cover the ground faster.

Some of the following plants are good in certain locations:

  • Crown vetch reaches a height of near 24". It is commonly grown on many highway slopes, but is slow to establish. Once this plant becomes established it is difficult to eradicate. This plant should be used in large areas with full sun. The plant is not effective for controlling gully erosion.
  • Rock Soapwort grown 6-8" tall and is used often in rock gardens or as a trailing plant over dry walls. It is excellent on small sunny slightly sloping areas, but will not control erosion.
  • English Ivy grows 6-10" tall and spreads well after established. This plant will also climb if supported and grows best in shade. Prune heavy in the spring to keep it dense. This is a good choice for larger areas under trees or shade.

The list of choices is numerous and what appeals to each homeowner is different. So, visit the local nursery and begin your groundcover adventure. I know you will enjoy the final result.

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