Will Ammonia Kill Grass? Pick The Correct Type For Your Needs

You can find ammonia in common fertilizers, but how potent is it, and will ammonia kill grass?

What’s Ammonia?

Ammonia is a gas with a pungent smell. It occurs naturally and can be found even in our bodies.

The primary goal of ammonia in fertilizers is to release nitrogen into the soil, helping the plant thrive.

Ammonia As Fertilizer

Does ammonia burn grass if not converted into nitrates? There’s a condition called ammonium toxicity. It can reduce seed germination and destroy the plant’s roots and stem.

Ammonia Toxicity – Will Ammonia Kill Grass

Ammonia To Kill Weeds

If it’s used in fertilizers, how will ammonia kill grass and weeds? Well, there are different types of ammonia.

We know ammonium hydroxide as household ammonia and part of many cleaning supplies.

Types Of Ammonia

Ammonium Hydroxide

Ammonium sulfate is rarely used as a fertilizer. Its primary use is in regulating the pH of the soil.

Ammonium Sulfate

Will ammonia kill grass instead of fertilizing it? Not if you use ammonium phosphate sulfate.

Ammonium Phosphate Sulfate

Almost 90% of the global production of ammonia is used in fertilizers.

Ammonium Nitrate – Will Ammonia Kill Grass

Ammonia can dehydrate and kill the grass with one application if it's applied correctly. 


How long will it take for ammonia to kill grass?

You can spray ammonium nitrate to feed your grass or ammonium hydroxide to kill it.

Can I spray ammonia on my grass?

Ammonium nitrate can burn new grass as it's a potent fertilizer. 

Does ammonia burn grass?

Household ammonia will kill grass and most weeds.

Will household ammonia kill grass?

So, will ammonia kill grass? There are several things you need to pay attention to first. The type of ammonia you use, the way and time of application can determine will ammonia kill grass or feed it.


Will Ammonia Kill Grass? Pick The Correct Type For Your Needs