T
The Daily Insight

Does Miracle Grow smell like ammonia

Author

Sarah Rodriguez

Published Mar 06, 2026

Once mixed, there is no ammonia smell whatsoever.

Does Miracle-Gro have ammonia?

Ammonium Nitrate in the Miracle-Gro potting Soil An excellent source of nitrogen, ammonium nitrate is another commonly found ingredient in Miracle-Gro potting soils.

What fertilizer smells like ammonia?

Since both the potting soil and the water you are using contain Miracle-Gro, I can understand why there is an ammonia smell. This fertilizer is ammonia based, and thus explains the odor.

Does plant fertilizer smell like ammonia?

Lawn care applicators must understand that when using liquid fertilizer, a strong ammonia smell is a sign that something is not right and product should not be applied until the cause of the odor is resolved.

Why does my grow room smell like ammonia?

Ammonia smell in gardens is a common problem for the home composter. The odor is the result of inefficient breakdown of organic compounds. … Organic compounds cannot compost without adequate oxygen, but the fix is a simple one by introducing more oxygen to the soil.

How do you make plant food without ammonia?

To make Epsom salt fertilizer, just mix 2 tablespoon of Epsom salt to a gallon of water. Combine it well and mist your plants with the solution once a month when you water them. If you spray more often, just weaken the solution to 1 tablespoon of the salt to a gallon of water.

What is bad about Miracle-Gro?

Miracle-Gro supplies an enormous amount of nitrogen for plants so that they grow big, bushy, green, and fast. The problem with MG is that the nitrogen is derived from synthetic ammonium and water soluble nitrates, producing off-chemicals that are harmful to soil microbes, worms, and all other forms of life in the soil.

Does Liquid Miracle-Gro go bad?

Answer: Miracle-Gro Water Soluble All Purpose Plant Food has a shelf life of about 3 years if kept in a cool dry place.

How do I fix my soil that smells like ammonia?

Green materials (like grass clippings) are high in nitrogen, and too much nitrogen causes an ammonia-like odor. To fix this, turn your compost with a garden shovel and spread out the pile a bit so the excess nitrogen can evaporate. Then, mix in more brown material (brown leaves, mulch, etc.) to restore the balance.

What happens if you smell ammonia?

Exposure to high concentrations of ammonia in air causes immediate burning of the eyes, nose, throat and respiratory tract and can result in blindness, lung damage or death. Inhalation of lower concentrations can cause coughing, and nose and throat irritation.

Article first time published on

Does lawn fertilizer smell like ammonia?

With temperatures heating up, lawn care applicators must be careful when using liquid fertilizer. A strong Ammonia smell emitting from the liquid fertilizer is an indicator that something is wrong and that the product should not be applied to turf or plants until the cause of the odor is resolved.

How long does it take for fertilizer to stop smelling?

“The smell usually goes away in a day or two. All it takes is a little bit of understanding from people who have moved next to a farm to be in the country.”

What does ammonia smell like?

Ammonia (NH3) is a colorless gas that is a compound of nitrogen and hydrogen. It has a strong odor that smells like urine or sweat. Ammonia occurs naturally in water, soil, and the air, and is also found naturally in plants, animals, and the human body.

Does Liquid Miracle Gro smell like ammonia?

Once mixed, there is no ammonia smell whatsoever.

What does fertilizer smell like?

Basically, fertilizer smells like horse or chicken manure when used on the farm, and depending on the amount of fertilizer you use, the odor can sometimes become difficult to bear. … These materials might be almost as effective at getting rid of bad odors as synthetic products, but they are also much safer.

What smells like ammonia in the house?

An ammonia smell in your home can come from cat urine, leaking household cleaners, or leaking refrigerant from older-model refrigerators or RV refrigerators stored in your home. Ammonia smells carried from nearby factories or farms can also make their way inside.

Can I just sprinkle miracle grow around plants?

Miracle-Gro Water Soluble All Purpose Plant Food is safe for all plants guaranteed not to burn when used as directed and starts to work instantly. Use on all flowers, all vegetables, houseplants, roses, and all trees and shrubs.

How long does Miracle-Gro stay in the soil?

Potting soil with fertilizer additives like Miracle Grow Potting Mix (Miracle-gro) typically feed plants from two to six months.

Is Miracle Grow good for tomato plants?

Miracle-Gro® Water Soluble Tomato Plant Food instantly feeds to grow bigger, more bountiful tomatoes and vegetables compared to unfed plants. Use our plant food with the Miracle-Gro® Garden Feeder or any watering can, and feed every 1-2 weeks. Safe for all plants when used as directed.

Is Miracle Grow toxic?

The ingredients of Miracle-Gro are nontoxic, according to its Materials Safety Data Sheet, but ingestion can cause gastrointestinal irritation, vomiting and diarrhea.

How do I fix smelly garden soil?

Smelly soil can be fixed by adding soil amendments such as perlite and vermiculite to the mix in order to increase the aeration and drainage properties of the soil. When added, soil amendments would increase the air spaces between soil to soil particles while providing a pathway for water to drain freely.

Why does it smell like ammonia outside?

Outdoors, you may be exposed to high levels of ammonia gas in air from leaks and spills at production plants and storage facilities, and from pipelines, tank trucks, railcars, ships, and barges that transport ammonia.

Why does my plant soil smell so bad?

Foul odor in the soil is often caused by overwatering, improper drainage, and lack of aeration. Bacterial or fungal contaminations in the soil or the use of under-processed manure can also create an unpleasant smell in soil.

How do you know if Miracle Gro has gone bad?

If your plant leaves’ color is alright, but they are becoming out of shape or deformed, stop using miracle gro on them. The deformation of leaves occurs when you are using too much miracle-gro on them. Weakened plants from either the stems or the roots are a sign of overdosing fertilizers.

Does Miracle Gro get too old to use?

According to the Miracle-Gro representative that I spoke with, the liquid plant food is best used within three years after being purchased if stored properly. It is still viable for up to eight years.

Can you use Epsom salt and miracle grow together?

It IS that EASY! Your peppers, tomatoes and roses will love this simple miracle mix for better growing and for better plants. To make 2 cups, mix: – ¾ tsp of Epsom Salt.

Does cat pee smell like ammonia?

Cat pee consists of urea, urobilin/urobilinogin, uric acid, sodium, other electrolytes, creatinine, pheromones and bacteria. The first step in the decomposition of the pee, is bacteria breaks down the urea (which is actually odorless) releasing ammonia, hence the strong ammonia scent associated with your litter box.

What does urea smell like?

Urea is one of the waste products found in urine. It’s a byproduct of the breakdown of protein and can be broken down further to ammonia in certain situations. Therefore, many conditions that result in concentrated urine can cause urine that smells like ammonia.

Can smelling fertilizer make you sick?

Plant fertilizers can poison people and pets if they are inhaled or accidentally ingested. Touching the fertilizer may cause skin irritation, and ingesting it may be poisonous. Nitrates are the ingredients that cause the poisoning. Nitrates are a form of nitrogen that plants can easily absorb.

Is fertilizer toxic smell?

It is typically used a fertilizer by providing nitrogen to plants. However, the chemical has also been used for to create explosions, most notably during the Oklahoma City Bombing. If the chemical catches fire, the fumes from it can become toxic. They are characterized by a yellow smoke and distinctive smell.

How do you neutralize the smell of fertilizer?

One way to reduce odor from surface application is applying manure as close to the soil or residue as possible. By reducing the manure contact with air helps in reducing odors. Also incorporation of manure soon after application will assist in reducing odor.