Of course one of the best ways to eliminate a problem is to exclude it in the first place. There are many ways to keep potentially damaging animals away from your landscape. The challenge is to do so in an aesthetically pleasing way.

1. Fencing
  • Small Animals - Since these animals are not very tall, the height of the fencing does not need to be great. Temporary fencing such as chicken wire may be used to protect shorter plants during the winter months. Hardware cloth with 1/4 inch squares should be used if you are dealing with Chipmunks, Mice, Squirrels or Voles.
     

  • Deer - Fencing for deer may work but it is more difficult to use in urban or suburban gardens. More on Deer Fencing...
     

  • Digging Animals - For animals such as Chipmunks, Groundmoles, Mice, Squirrels, Voles, and Woodchucks that burrow beneath decks, porches, paths, etc. you may need to use a technique which involves burying the fencing material.

    This involves taking a 36 inch high segment of either chicken wire or hardware cloth and folding the bottom 12 inches at a 90 degree angle. Then dig down 12 inches deep in the soil and 12 inches wide next to the path or structure. Place the 12 inch length of fencing the the hole and bury it.

    Most of the digging critters will go up close to the structure, path, etc. and then dig down before going under. By burying the wire in the fashion described above, the animal will run into the fencing and be discouraged from going any further.

2. Tree Wraps - Rodents including Chipmunks, Mice, Squirrels, Voles and Woodchucks may chew on the bark of young trees during the winter. To help prevent this, various types of tree wraps are available. Plastic wraps are probably the most effective. Remember to avoid leaving these wraps on too many seasons since they may eventually grow into the bark and kill the tree. They only need to be on until the bark gets rough looking and "mature".

Note: We have provided some general information and observations on this topic aimed at the home gardener. Before you take any serious action in your landscape, check with your state's land grant university's Cooperative Extension Service for the most current, appropriate, localized recommendations.

 
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Exclude the Critter
 
Exclusion can be used to keep chipmunks from buildings and some flower beds.  Fill openings at building foundations, fill and caulk openings, or use one-quarter inch mesh hardware cloth.  Cover annual flower beds with this hardware cloth, at least a foot past the edges.  You can cover the wire lightly with soil to hide it.

Where bulbs may be damaged, if planting a whole bed, first dig out all the soil.  Then line the bed with similar hardware cloth before refilling and planting.  Cover the top with the mesh cloth until spring when the bulbs emerge.  If planting bulbs in individual holes, place some sharply crushed stones or shells in each hole before refilling.  This will help deter their digging.  Such products often can be found, just for this purpose, at feed and garden stores.