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Our Garden Fences: Protect Your Garden against Small Animals and Selected Trees from Squirrels: Build Your Own Fence

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How to Install the Garden Fence
How to Install the Tree Protection
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To create a combination fence of this kind you need the following materials: An electric fence charger/energizer, fence rolls, squirrel barriers, fiberglass posts, insulators, electric fence wire, hookup wire, connector clamps, a weed barrier, a ground rod, a fence tester, warning signs, and installation instructions.

To follow our step-by-step guidelines, read each section below and add appropriate items to your shopping cart.

Electric Fence Chargers/Energizers

Each of the 0.25 to 1 joule chargers below is suited to powering a garden fence and an anti-squirrel tree fence simultaneously. Should you want even stronger chargers more suited to controlling livestock, deer, and bears, you can find them on our electric horse fence, electric deer fence, or electric bear fence websites.

AC-powered Chargers

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Battery-powered Chargers 

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Solar-powered Chargers 

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Fence Rolls and Squirrel Barriers

Unless you already have a barrier garden fence in place, get enough of the 50-foot 18-inch fence rolls and 50-foot squirrel barrier kits to place a low double barrier all around your garden.

Kit, McGregor Fence Squirrel Barrier Kit - 50ft ON SALE - CLEARANCE (product details)
Kit, McGregor Fence Squirrel Barrier Kit - 50ft ON SALE - CLEARANCE
  • ID: 19-MGF-SQ
  • Retail Price: $17.99
  • Our Price: $11.99
  • Qty:
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Fiberglass Posts

Plan on getting enough 18-inch posts to place one at each corner of the garden fence and to space the remaining posts roughly 8 feet apart along the garden fence line.

In addition, get enough of the 27-inch barrier fence support posts to place one at each corner of the garden fence and the remainder at roughly 6-foot intervals around the fence.


Post insulators: Get two for each of your 18-inch posts.

Extender Insulators: Get enough of them to string a wire twice around each chosen tree without allowing the wire to touch the trunk.

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Fence Wire

Get enough aluminum electric fence wire to go twice around the garden fence and twice around each selected tree.


Hookup Wire

Figure how much hookup wire you will need to get from your charger to your garden fence, from the fence to the nearest protected tree, and from tree to tree until you have reached every protected tree. Now double this amount, because you will need to get not only out to your protected trees but also back from them to the charger in order to make your fence work.

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Conductor: Insulated Hookup Wire, 1,000 ft. (Baygard) (product details)
Conductor: Insulated Hookup Wire, 1,000 ft. (Baygard)
  • ID: 02-32A
  • Retail Price: $187.99
  • Our Prices:
    1 $178.99
    2+ $169.99
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To form strong connections between the electric fence wire and hookup wire, get one or more bags of split-bolt style clamps. You will need 2 clamps for every tree protected and 4 clamps for connecting the garden fence to the rest of the system.


Weed Barrier

Get enough of this weed barrier to go once around the garden fence (underneath it). Weeds pose problems for electric fences—especially ones where the charged wires are low. If weeds come up and touch the wires they can drain away power. In fact, they can drain so much power that there’s not enough left to shock the target animals.

To help keep weeds off the charged wires, put a 3-foot wide strip of black polyethylene weed barrier under the path of the charged wire around the garden fence, and then put down an inch or two of wood chips or pine bark mulch on top of the poly film to keep the sun’s UV rays from destroying the film. (The inexpensive poly film we offer works well—much better than landscape cloth--with either wood chips or pine bark to keep down weeds.)

Weed barrier, black poly, 1.3 mils, 3ft x 50ft (product details)
Weed barrier, black poly, 1.3 mils, 3ft x 50ft
  • ID: 14-36
  • Retail Price: $6.98
  • Our Prices:
    1 - 4 $5.98
    5 - 9 $5.68
    10+ $5.38
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Ground Rod

The ground rod relates only to your garden fence, not the part of the fence involved with trees. In general, short garden fences (where the entire garden fence is within 200 feet of the rod) only need a little 2-foot ground rod. If the ground along the garden fence line is very dry or frozen at times when the garden fence should be working, or if the garden portion of the fence is long, you may need the 6-foot ground rod.

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Electric Fence Testers

Ordinary voltmeters can’t read the pulsed high-voltage output of your charger—either when it comes out of the charger itself or when it is on your fence. You need an electric fence tester for that. Our one-lite tester merely tells you that there is voltage present, and its light can be hard to see in bright sunlight (we use the cardboard tube from a roll of paper towels to read it). For either of these reasons you may want to get the 5-lite tester, which lights up better and detects a range of different voltages.

Warning Signs (optional)

Your fence won’t harm anything, even sparrows. But warning signs will remind both the gardener and visitors of the fence’s presence.

Warning Signs, pack of 3 (product details)
Warning Signs, pack of 3
  • ID: 10-01
  • Retail Price: $3.69
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    1 $3.39
    2+ $3.19
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Gates (no supplies needed) 

Gates for barrier fences: You can make a gate in the barrier fence when you install it. At the place where you want the gate, cut the proper width of barrier fence plus squirrel barrier out of the fence with wire cutters. Overlap this about 6 inches with the barrier fence plus squirrel barrier on both sides of the gate. Use twist ties to make sure the squirrel barrier is securely joined to the green barrier fencing. Then take two 27-inch posts with two insulators attached (the top insulators with their hangers upside down). Insert the posts into the ground where you want them (one on each side of the gate) until their tops match the top of the fence. Put wires from the barrier fence and gate door into the top insulator on one post and slide the insulator down until the fence and gate door are set firmly on the ground. Repeat with the other post. Then slide the lower insulators up until they catch the fence wires on the gate door and fence, and continue sliding the insulators up until these wires are at the bottom of the insulators’ hangers. Your gate is now in place. To open the gate, slide the top insulators up and remove the gate door.

Gates for electric fences: Your electric fence is only 9 inches high, so for most purposes you don’t need a gate. Should you need to admit heavy equipment, you can create an opening by raising several of the  18-inch posts out of the ground and raising the fence wires high enough to admit the equipment.

Or else, if you really want a gate in your electric fence, do as follows:

1)    Put two 18-inch posts into the ground where you want the sides of the gate to be.

2)    Start running your charged wire along the top set of insulators where the charge comes in to the fence, continuing until you reach the nearest post at one side of the planned gate opening.

3)     At this gate post, run the wire down from the post’s top insulator to its bottom insulator, and then continue running the wire along the bottom run of insulators all the way around the fence, past the last post on the other side of the gate,and back to the gate post where you started the bottom run of wire.

4)    Here (at this same post) run the wire up from the bottom insulator to the top insulator, and then continue back (across the second gate post) all the way you came, stringing the wire along the top insulators until you get back to where the top run of wire began, at which point the wire can be terminated.

5)    To open the gate, go up to the gate post where all the action happened, lift the wire hanging from the post’s top and bottom insulators off those insulators, and pull the wire back to open the gate. To close the gate, simply put the wire back where it was on the gate post.

For gates designed for taller electric fences, visit the gates pages on our website


Installation Instructions

Free installation instructions for your fence are available on this website. To visit our installation instructions pages, click here


Purchasing Your Fence Materials

If you have gone down the above list, putting the appropriate items in a shopping cart, you now have all the materials needed to create a McGregor garden fence for keeping out all small animals down to chipmunk size combined with an electric fence for keeping squirrels out of selected trees. You are now ready to complete your purchase by checking out.

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