Squirrels can turn a planter, porch rail, or birdfeeder area into a daily demolition project in record time. This simple homemade squirrel repellent gives you a quick way to treat spots where they keep digging, climbing, or helping themselves to whatever isn’t theirs. It takes minutes to mix and even less patience to use it properly (which is convenient, because squirrels rarely inspire patience).
Making your own costs far less than buying a ready-to-use commercial squirrel repellent spray. A 32-ounce bottle of Murphy Oil Wood Surface Household Cleaner runs about $3.98 at Walmart, a 32-ounce jug of cayenne hot sauce runs about $7.72, and a 1-ounce bottle of cayenne pepper runs about $6.56, so this 22-ounce batch uses only a small fraction of each and comes out to roughly $0.47 per bottle, compared with about $12.69 for a 32-ounce ready-to-use animal repellent spray. You also control the scent strength and skip the extra additives that come with many premixed products.
You only need 3 materials for this batch, plus water, and the formula mixes directly in a 22-ounce spray bottle. A measuring spoon and the spray bottle itself handle the job, so you won’t need a mixing bowl, funnel, or any special equipment unless your bottle opening is tiny.
- 🧰 Materials You'll Need
- 🔧 Tools & Equipment
- 🛠️ How to Make Squirrel Repellent
- 🛠️ How to Use It
- 🎨 Customization Ideas
- 🛡️ Safety and Application Notes
- 📦 Storage
- 💸 Cost Breakdown
- 🛍️ Need Help Finding Everything?
- ❓ Frequently Asked Questions about Squirrel Repellent
- 📌 Love this Squirrel Repellent? Pin it!
- 🖨️ Print-Friendly How-To: Squirrel Repellent
Materials You’ll Need
- 1 capful Murphy’s Oil Soap
- 1 tablespoon hot sauce
- 1/4 teaspoon cayenne pepper
- Water, to fill a 22-ounce spray bottle
Tools & Equipment
- 22-ounce spray bottle
- Measuring tablespoon
- Measuring 1/4 teaspoon
How to Make Squirrel Repellent
- Add 1 capful of Murphy’s Oil Soap, 1 tablespoon of hot sauce, and 1/4 teaspoon of cayenne pepper to a 22-ounce spray bottle.
- Fill the bottle with water.
- Shake well to combine the ingredients thoroughly.
- Spray wherever squirrels are not wanted.
How to Use It
Use this spray on the areas squirrels keep targeting, such as planter rims, non-edible garden structures, porch edges, or the ground around problem spots. Shake the bottle before each use so the cayenne stays evenly distributed, then reapply after rain or heavy watering if the treated area gets washed down.
If you’re mainly dealing with birdseed theft, pair this with a few physical deterrents from Squirrel Proof the Birdfeeders for better long-term results.
Customization Ideas
- For small planters: Mix the batch as written and keep it in the 22-ounce bottle for spot treatment around containers, rails, and digging areas.
- For larger garden zones: Make separate fresh batches rather than guessing at a larger ratio. This keeps the original formula consistent and saves you from a too-weak bottle that only annoys you.
- For broader pest issues: If squirrels are only part of the problem, you might also want to try this Deer and Rabbit Repellent Spray or this Deer & Mice Repellent Spray for other nuisance animals.
Safety and Application Notes
Keep the spray out of your eyes and off your skin as much as possible, and wash your hands after handling it. Pepper-based repellents work as irritants, so they can also irritate people during mixing and spraying if you’re careless for even half a second. The University of Florida notes that repellent effectiveness depends on food availability, animal pressure, and how often you reapply it, which is why this works best as part of a repeat routine rather than a one-and-done fix: How to Use Deterrents to Stop Damage Caused by Nuisance Wildlife in Your Yard.
Use common sense around edible crops. This formula is best reserved for places squirrels are not wanted rather than directly coating produce you’ll be harvesting right away.
Storage
Store the spray bottle tightly closed in a cool spot out of reach of children and pets. Shake well before each use, especially if the bottle has been sitting for a while, since the cayenne can settle between applications.
Cost Breakdown
- Murphy’s Oil Soap, estimated 1 capful from a 32-ounce bottle: about $0.03
- Hot sauce, 1 tablespoon from a 32-ounce bottle: about $0.24
- Cayenne pepper, 1/4 teaspoon from a 1-ounce bottle: about $0.20
- Estimated total per 22-ounce bottle: $0.47
Prices vary by store and region, but even with some wiggle room, this homemade version costs dramatically less per bottle than a ready-to-use commercial repellent.
🛍️ Need Help Finding Everything?
- Murphy Oil Wood Surface Household Cleaner, 32 oz
- Hot sauce, 32 oz
- Cayenne pepper, 1 oz
- 22-ounce spray bottle
Frequently Asked Questions about Squirrel Repellent
Use it cautiously. This recipe says to spray wherever squirrels are not wanted, but it does not specifically identify plant-safe use for every crop or ornamental. It makes more sense to start with planter edges, non-edible surfaces, and the ground around problem areas before you spray delicate or edible plants.
Reapply it whenever rain, irrigation, or heavy dew washes the treated area down. If squirrels are especially persistent, check the area often and refresh the spray as needed.
Both add pepper heat to the spray, while the Murphy’s Oil Soap helps the mixture disperse in water. The formula is simple, but each part has a job, which is more than some household projects can say.
Yes. Cayenne pepper settles, so a quick shake before each use helps keep the spray more evenly mixed and more consistent from the first squirt to the last.
You can, but the original formula only gives one 22-ounce bottle batch. If you scale it up, keep the same proportions exactly rather than eyeballing it.
No. Homemade repellents work best with repeat applications, especially outdoors where weather, watering, and heavy squirrel traffic wear them down fast.
Spray it wherever squirrels are not wanted. Good candidates include planter rims, porch edges, around birdfeeding areas, and other outdoor spots they keep revisiting.
Keep it in a tightly closed spray bottle in a cool place, and store it out of reach of children and pets. Give it a good shake before each use if it has been sitting.
Yes, by a wide margin. This batch costs only a few cents in materials per bottle, while ready-to-use commercial squirrel repellents usually cost several dollars more per container.
📌 Love this Squirrel Repellent? Pin it!
Keep this quick homemade repellent handy for the next time squirrels decide your yard belongs to them.
Did you try this project? Tell us where you used it and whether you changed anything to fit your space.
🖨️ Print-Friendly How-To: Squirrel Repellent
Squirrel Repellent
Equipment
Materials
- 1 capful Murphy's Oil Soap
- 1 tablespoon hot sauce
- ¼ teaspoon cayenne pepper
- Water to fill a 22-ounce spray bottle
Instructions
- Add 1 capful of Murphy's Oil Soap, 1 tablespoon of hot sauce, and 1/4 teaspoon of cayenne pepper to a 22-ounce spray bottle.
- Fill the bottle with water.
- Shake well to combine.
- Spray wherever squirrels are not wanted.
- Estimated cost reflects consumable materials only and will vary by brand and store.
- Shake before each use because the cayenne can settle.
- Avoid getting the spray in your eyes or on your skin.
- Use caution around edible plants and freshly harvestable produce.
this is what i need. how often do you spray? every day?
after every rain? the squirrels are destroying all my hanging baskets.