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When should I Humate my lawn?

Author

Rachel Ellis

Published Jan 15, 2026

When used on lawns, we recommend applying Bountiful Earth Humate in the spring along with Crabgrass Preventer + Lawn Food, and in the fall with Fall & Winter Lawn Food as part of IFA's complete 4Plus lawn care program.

When should I put humic acid on my lawn?

Apply humic acid during your lawn's growing season, preferably in spring or fall. The ideal application is just after spreading a microbe-feeding fertilizer. Apply in the morning or evening. Afternoon applications can cause your water-based humic acid solution to evaporate before it can be absorbed by the soil.

How do I apply Humate to my lawn?

Apply humate and water a lawn deeply if it is heat or drought stressed. We strongly recommend applying Humate when transplanting trees. Always apply multiple applications of Humate if the soil in the lawn is “dead” and the soil is being reclaimed to a living soil.

How often should you apply humic acid?

Apply solution around root zone of existing plants: Water in just enough to soak the root zone (up to 4 inches for most.) Apply as often as every two weeks.
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  1. Initially apply heavily at 1½ oz per 100 sf or 12 oz per 1000 sf. ...
  2. Apply again in 3 weeks at 1 oz per 100 sf or – 6 oz per 1000 sf and water in.

Can you use too much Humate?

No, you can't put too much humic acid on your lawn under normal circumstances. To put too much humic acid on your lawn, you'd need a wagon full of the stuff or a 50 lb sack at a minimum. Then it would all need to be piled in as small an area as possible with only a sprinkle of water applied.

43 related questions found

What does Humate do for lawns?

If it grows out of the ground, Bountiful Earth Humate will help it grow better. IFA Bountiful Earth Humate soil conditioner supports and promotes strong, healthy growth in lawns, gardens, trees, shrubs, crops, and more, for the greenest grass, most nutritious veggies, yummiest fruits and biggest harvest yields.

What is Humate fertilizer?

Humates, which are composed of various forms of carbon, are naturally occurring material that is very rich in humified organic matter and humic substances. Humates are now recognized as the single most productive input in sustainable agriculture.

How often can you apply Humate to lawn?

Products that Contain Humic

You can get it as a part of the bio-stimulant pack or stand alone. Apply humic12 at 6 oz/1000 sq ft every month throughout the growing season. Water it in after you apply.

Does humic acid really work?

Humic acid is nutrient rich, making it a good fertilizer for your plants. It improves nutrient uptake by your plant's roots, drought tolerance and even increases chlorophyll production. Humic acid helps the soil by boosting levels of microbial activity.

Does humic acid loosen soil?

Humic acid sold by Nature's Lawn & Garden is a concentrated organic matter, which when applied to the clay or compacted soil will help in loosening the particles and improves the soil structure.

How does Humate work?

How do Humates Work? Humates are a natural result of the process of humification, in which organic matter is formed from the remains of plant and animal life over a period of thousands of years. When combined, organic materials create biochemical and chemical reactions, resulting in the creation of complex molecules.

Does humic 12 need to be watered in?

Do I have to water these in? Not necessarily but it won't hurt. These products can be taken in by plants via foliar activity or through the soil so watering doesn't really make too much of a difference.

What does humic acid do to lawn?

It also can increase the water-holding capacity and water retention in the soil, which in turn increases retention of the soluble chemical fertilizer in the soil.” So, basically, humic acid keeps moisture and nutrients in the rootzone longer, and helps the plant make better use of them.

Can I apply humic acid in summer?

Humic acids help reduce stress from abiotic factors, such as lack of water, high temperatures and heavy UV exposure, and maintain your velvety green lawn throughout the height of summer.

How do you use humate fertilizer?

Humates contain the same compounds and thus have the same benefits as applying liquid humic acids such as Humax. Once applied to the soil and watered in, they will dissolve into their active liquid form again. The best way to add humic acids to your soil is with humates derived from leonardite shale.

Is humate the same as humic acid?

If we take the flocculated humic acid and dry it down to form a black mass that can be crushed and sized by dry sieving, we have humate. In other words, humate is humic acid in its solid state. Therefore, the chemical properties of humate and humic acid are basically the same.

Can I use humic acid with fertilizer?

So, even if your soil has over-accumulated certain minerals, humic acid will help them grow well regardless. Finally, since humic acid is fully decomposed, it will never lock-up other nutrients in your soil. As another bonus, when you buy a humic acid fertilizer it also contains some fulvic acids.

When can I apply for air8?

We recommend applying it at a rate of 6-9 ounces per 1,000 sq. ft. in early spring or late fall. However, liquid aeration can be done anytime during the growing season.

Does humic acid break up clay?

A carboxyl group (carbon) on the humic acid molecule is attracted to the positively charged edge of the clay particle, breaking the positive/negative ionic bond between multiple clay particles. The clay particles will then basically “stand on end”, which allows significantly better water penetration.

How do you break down clay soil quickly?

While there are a great many organic soil amendments, for improving clay soil, you will want to use compost or materials that compost quickly. Materials that compost quickly include well-rotted manure, leaf mold, and green plants. Because clay soil can become compacted easily, place about 3 to 4 inches (7.5-10 cm.)

Does humic acid improve soil?

Humic acids physically modify the structure of the soil, with benefits such as: Improved structure of soil: Prevents high water and nutrient losses in light, sandy soils, simultaneously converting them into fruitful soils by way of decomposition.

Can I apply RGS after mowing?

Yep, you can apply any time. I believe the recommended rate is 6oz RGS per 1000sqft and 9oz Air8 per 1000sqft. While it doesn't “need” to be watered in, I always try to when I apply these products.

How often should I aerate my liquid?

It takes a minimum of 45-60 days for these enzymes to make a difference in your soil. After the first treatment, you should re-treat every 45-60 days during the growing season, While temperatures are above 50 degrees Fahrenheit, to continue to enrich and feed the soil.