Natural Fly Control Around Your Chicken Coop

Picture credit: Raising Happy Chickens

Lets’ be honest, flies are one of the least glamorous parts of keeping chickens. They’re annoying, they spread bacteria, and if left unchecked, they can create real health problems for your flock.

But before you reach for the chemical sprays, you might be surprised how much you can accomplish with natural methods. Here’s a practical guide to keeping fly populations under control the natural way.

Why Fly Control Matters

Flies aren’t just a nuisance. Houseflies and filth flies breed in manure and wet organic matter, and they can carry pathogens like Salmonella and E. coli that can be transferred from droppings to your chickens’ feed and water.

A fly problem that gets out of hand can stress your flock, contribute to illness and make spending time in your chicken yard genuinely unpleasant. Getting ahead of it early is always easier than playing catch-up.

Start with the Root Cause

No fly control strategy works well without addressing what attracts flies in the first place: moisture and manure.

1. Keep bedding dry. Flies love wet, composting litter. Deep litter management done right where bedding stays fluffy and aerobic creates conditions that are less hospitable to fly larvae. Add fresh bedding regularly and turn existing litter to keep it from compacting and getting damp.

2. Clean the coop frequently. Remove manure from under roosts and in high-traffic areas at least a few times a week during warm months. The faster manure dries out, the less appealing it is for flies to lay eggs in.

3. Fix water leaks immediately. Dripping waterers create wet patches in the bedding that become fly breeding hotspots. Elevated or nipple-style waterers can help keep spillage to a minimum.

4. Manage the manure pile. If you’re composting chicken manure, keep the pile away from the coop and turn it regularly. A hot, actively composting pile is much less fly-friendly than a cold, wet one sitting close to your birds.

5. Use diatomaceous earth in your bedding and on surfaces. Food-grade diatomaceous earth (DE) is a naturally occurring powder made from fossilized algae. It works mechanically rather than chemically. Microscopic sharp edges damage the exoskeletons of insects, including fly larvae, causing them to dehydrate and die. Because it’s a physical process, insects can’t develop resistance to it. Sprinkle food-grade DE into your litter, especially under roosts where manure concentrates, to help dry things out and kill larvae before they mature into adult flies. It also does double duty against mites and lice. You can also dust it along the base of coop walls, in corners and around the outside perimeter near the entrance.

   
   

   One important note: always use food-grade DE, not pool or filter grade and apply it when your chickens are outside or during low-wind conditions. The fine particles aren’t great for anyone’s lungs including you and your birds, when inhaled in large amounts, so a light, targeted application is all you need.

Repel Flies with Plants

Certain herbs and plants contain natural compounds that flies find repellent. Planting them around the perimeter of your coop or in containers near the entrance can help deter flies from moving in.

• Lavender — a classic fly repellent with a bonus. It smells wonderful to you and your chickens don’t mind it either.

• Basil — fresh basil planted near the coop door or hung in bundles inside is surprisingly effective.

• Mint — very potent as a repellent, but plant it in containers since it spreads aggressively.

• Marigolds — easy to grow, inexpensive and their scent deters many flying insects.

• Rosemary — a sturdy perennial that does double duty as a culinary herb and a fly deterrent.

Your chickens work hard to provide for you so returning the favor with a clean, comfortable, fly-free environment is one of the best things you can do for their health and happiness. Try a few of these methods this season and see what works best for your setup!