Although most birds are welcome guests in most gardens, there are some that can make quick work ol tender seedlings or new clones. 'M

The most effective way to keep birds from freshly planted seed and transplants is to cover plants with plastic wire or plastic netting. When installing the netting, make sure it is securely fastened around the perimeter of plants so hungry birds do not get underneath.

Deer and Elk

Deer and elk love newly formed growth on cannabis plants, in addition, they may destroy crops by trampling % ^ them. Elk are somewhat of a \ (j problem, and deer are a problem!

A cage around plants is the best deterrent. But remember, the wire may be easy to spot if it is not discreet in color. Deer are repelled by the smell of blood and human hair. Place handfuls ol dried blood meal in cloth sacks and dip in water to activate the smell. Hang sacks from a tree to discourage dogs and other predators from eating them.

Handfuls of human hair can be placed in small cloth sacks and hung from a fence or tree branch as a deterrent. Do not use your own hair; it could turn into evidence for police! Scented soaps have repelled deer from some gardens. But if deer are very hungry, the smell of blood meal, human hair, scented soap, or anything else will not deter them.

Always urinate in several locations around the perimeter of the garden so animals take your presence seriously. Some growers save urine all week and disperse it at regular visits to their patch,

Deer easily bound over eight-foot (2.4 m) fences. A good deer fence is eight feet (2.4 m) tall with the top foot (30 cm) sloping outward, away from the garden at a 45 degree angle. Electric fences and large dogs are also excellent deterrents.


Pocket gophers are small burrowing rodents that eat plant roots and foliage. These herbivores find fleshy roots a real treat

Gopher Trap

and occasionally attack cannabis. Should a family of gophers move into your area, get rid of them as soon as possible! Females can bear up to five litters of four to eight offspring a year. A family of gophers can clean out a large garden in a matter of weeks.

The only sure way to get rid of gophers is by trapping. There are several gopher traps available, including ones that capture them alive. It will take some skill before you are regularly able to catch gophers with traps. You must avoid getting human scent on any part of the traps. If gophers sense the human odor, they will simply push soil over the trap to spring it or render it otherwise ineffective. Traps are put in gopher runways and so don't need to be baited.

A fence o( poultry wire or 0.5-inch (1.5 cm) hardware cloth buried one foot (30 cm) deep and standing 3 feet (90 cm) above the ground will exclude gophers. Line planting holes with chicken wire before filling with soil. Driving metal sheets around the perimeter of planting holes will also prevent gopher damage.

Mice and Voles

Mice and voles can chew bark from around the base of cannabis plants (girdling). If this is a problem, keep mulch a foot away from plants, and install a wire mesh around the trunks. Mice and voles make nests in large piles of mulch, and they are attracted to stored water. Cover all water sources to exclude them, but keep in mind that they might chew through the container if water is super scarce.

The best mouse deterrent is a cat that is serious about hunting. Mousetraps also work well on smaller populations. Removing a large number of mice with traps can be tedious and unpleasant.

DO NOT USE POISON! Scavenger animals will eat the dead rodents and may become poisoned themselves.


Moles are minor pests. They are primarily insectivores that eat cutworms and other soil grubs, but their tunnels may dislodge cannabis roots.

Repel moles with castor plants or gopher (mole) plants (Euphorbia lathyris). Castor bean leaves and castor oil, as well as applications of tobacco and red pepper, will repel moles if put into their main runs,

Blend two tablespoons (3 cl) of castor oil with three tablespoons of dish soap concentrate and ten tablespoons (18 cl) of water. Mix in a blender. Use this as a concentrate at the rate of two tablespoons per gallon (t ml per liter) of water. Apply as a soil drench directly over mole holes,

Barrel traps, scissor traps, and guillotine traps are effective and kill moles instantly.


Rabbits eat almost anything green, and they multiply like rabbits! Repel rabbits with a light dusting of rock phosphate on young leaves or dried blood sprinkled around the base of plants. Manure tea sprayed on leaves and soil may keep them from dining on your plants. Rabbits find plants dusted with hot pepper or a spray of dilute fish emulsion and bone meal repulsive. There also are a number of commercial rabbit repellents, but be wary of using these on consumables!

A dog will help keep rabbits in check, but the only surefire way to keep rabbits out of the garden is to fence them out with one-inch (3 cm) poultry wire. The poultry wire should be buried at least six inches (15 cm) in the ground to prevent burrowing and rise two or three feet (60-90 cm) aboveground. Wrap trunks with a wire mesh or aluminum foil to keep rabbits from chewing bark in winter or early spring.

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