How to Install Wire Mesh Deer Fencing Deer can really wreak havoc in your garden. Put up a fence to keep them out. 1 Choose a fencing that is sturdy and corrosion- and UV-proof. 2 Remember that deer are good jumpers. Install either 8-foot-high fencing or 4-to-6-foot fencing with a row of shrubs set 5 feet back from the fence to deter jumping. 3 Survey the area to be fenced. You'll want to use existing trees wherever possible to keep the area looking natural. 4 Sink a 12-foot post wherever the trees are too far apart. Optimum distance between posts or trees is 20 feet. Posts must be able to withstand leaning and harsh weather. 5 Use at least two people to stretch the fencing tightly between each attachment point. Fence staples or roofing nails are the most commonly used fasteners. 6 Install the fence on the outside of the trees and posts to keep the fence from being knocked down by an errant animal. 7 Prevent deer from slipping under the fence by tacking down the bottom at 5- to 6-foot intervals with hooked ground stakes. 8 Run a strand of wire along the top of the fence to help strengthen it. 9 Tie white strips (about 2 inches wide) every ten feet at the 4-foot level to alert deer of the presence of the fence.