If you’re getting into home gardening, you probably want your flowers to bloom bigger and your homegrown veggies to taste their best. Naturally, fertilizer comes to mind as a way to boost your soil. And if you have a dog… well, it might seem like you’ve got a free, ready-made option right in your backyard.
But before you start using dog poop as fertilizer, it’s important to understand that not all waste is created equal. While it may seem convenient, dog waste is actually one of the worst things you can add to your garden.
Fertilizer 101: Why Some Manure Works
When people think of manure as fertilizer, they’re usually thinking of animals like cows, horses, or chickens. These animals are herbivores, meaning they eat a plant-based diet.
Because of that diet, their manure is rich in organic matter and nutrients that plants love, such as:
Nitrogen (for leafy growth)
Phosphorus (for root development)
Potassium (for overall plant health)
This type of manure breaks down into a nutrient-rich compost that improves soil structure and supports plant growth. That’s why farmers have relied on it for generations.
Using Dog Poop as Fertilizer Is a Different Story
So, is dog poop good fertilizer? Short answer: no. Dogs have a high-protein, meat-based diet, which makes their waste very different from that of herbivores. Dog poop tends to be:
Highly acidic
Rich in harmful bacteria
Lacking the right balance of nutrients plants need
Because of this, it can damage your soil rather than improve it. The high nitrogen content in dog waste doesn’t act like the slow-release nitrogen found in composted manure; it can actually “burn” plants and grass.
This also answers another common question: Is dog poop bad for grass? Yes. If left sitting, it can leave dead, discolored patches in your yard instead of helping it grow.
Is Dog Poop Good for Gardens? Here’s the Risk
Many homeowners ask: Is dog poop good for gardens, or is dog poop good fertilizer for flowers? Unfortunately, the risks far outweigh any perceived benefits.
Dog waste can contain a wide range of harmful organisms, including:
Fecal coliform bacteria (like E. coli)
Roundworms and hookworms
Giardia
Parvovirus
These pathogens can survive in soil for days or even longer and can easily spread to humans. If you’re growing fruits, vegetables, or herbs, the danger is even greater. Contaminated soil can transfer bacteria or parasite eggs directly onto your food. That’s why using dog waste in areas where food is grown is strongly discouraged. Even contact with soil can pose a risk, especially for children or anyone gardening without gloves.
And it’s not just solid waste; dog urine on vegetable garden areas can also harm plants due to its high nitrogen concentration, leading to burned roots and damaged crops. If your pup is prone to exploring your garden, it might be a good idea to fence it off, making it inaccessible to your dog.
What About Composting Dog Poop?
Some people explore composting as a workaround. Technically, dog waste can be composted, but it’s not as simple as tossing it in a pile.
To safely compost dog poop, you need:
High temperatures (well above typical backyard compost levels)
A dedicated compost system (separate from regular compost)
Careful handling and time to ensure pathogens are destroyed
Even then, the finished compost should only be used on non-edible plants like ornamental shrubs, not vegetables or herbs. For most homeowners, this process is complicated, time-consuming, and easy to get wrong. In many cases, it’s simply more hassle than it’s worth.
What Else Can Be Used as Fertilizer in Your Garden?
If dog waste is off the table, what should you use? There are plenty of safe and effective options, including:
Compost made from kitchen scraps (fruit and vegetable peels, coffee grounds)
Aged herbivore manure (cow, horse, or chicken)
Mulch and plant-based compost blends
These options provide the nutrients your plants need—without the health risks.
What to Do With Dog Poop in Your Yard
So, what to do with dog poop if it doesn’t belong in your garden? The best approach is simple: remove it regularly and dispose of it properly.
Letting dog waste sit in your yard can:
Spread bacteria and parasites
Damage your lawn
Create unpleasant odors
Attract pests
The cleaner your yard, the safer it is for your family, your pets, and your community. If you’d rather skip the dirty work, that’s where DoodyCalls comes in. Our professional pet waste removal services handle the mess for you, safely removing and disposing of dog waste so you can enjoy a cleaner, healthier yard and garden, without lifting a finger.
Sources: EPA, Biology Insights, DoodyCalls