SKU: 49384922261
plant root growth fertilizer

plant root growth fertilizer N-Ext RGS

Sale price$23.62 Regular price$26.25
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

plant root growth fertilizer N-Ext RGSN Ext RGS RGS Stands for Root Growth Stimulant, and thats exactly what it does. This bio stimulant is packed with hormones from sea kelp that stimulate roots and stolons rhizomes coupled with chelating humic acid. One gallon covers up to 42,600 sq ft Root Growth Stimulant (with Humic Acid and Sea Kelp) Great for soil health and root stimulation Available in multiple sizes* Product Description: RGS Root Growth Stimulant with sea kelp and humic acid is

N-Ext RGS™ - RGS Stands for Root Growth Stimulant, and that’s exactly what it does. This bio-stimulant is packed with hormones from sea kelp that stimulate roots and stolons/rhizomes coupled with chelating humic acid.

  • One gallon covers up to 42,600 sq ft
  • Root Growth Stimulant (with Humic Acid and Sea Kelp)
  • Great for soil health and root stimulation
  • Available in multiple sizes*

Product Description:

RGS™ - Root Growth Stimulant with sea kelp and humic acid is our primary bio-stimulant offering for use in lawns and landscapes. Formulated by John Perry of Greene County Fertilizer Co, RGS is the foundation of all Lawn Care Nut and Yard Mastery programs.

If you are new to spraying liquids on your lawn, this is a great one to start with. It won't "burn" the lawn or anything like that - and RGS is the best to start with anyway since it aids in soil health and stimulates roots in turf.

If you have challenges with your grass holding on during summer heat, getting RGS into the soil will help it through the stress. RGS is truly the backbone of the bio-stimulant program, hands down, and has the highest concentration of sea kelp hormones in the line. It was designed to increase rooting and decrease stress pressure caused by heat and drought. It will also feed microbial life in the soil which helps to optimize your fertilizer treatments.

"N-Ext" is the name of this line of products, and N-Ext stands for "Nitrogen Extension." RGS, Root Growth Stimulant, is kind of like the "base layer" of that line because it contains humic acid and sea kelp, the two primary bio-stimulants we recommend. The biologically active material contains humic acid and sea kelp to aid in initial spring green-up, buffer and extend nitrogen release rates, and add oxygen to the soil profile for greater nutrient uptake.

*Size options and coverage: 

  • 1 Single Quart (32 oz) = covers up to 10,650 sq ft
  • 1 Single Gallon (128 oz) = covers up to 42,600 sq ft
  • 2 Gallon Pack (256 oz) = covers up to 85,200 sq ft
  • 4 Gallon Pack (512 oz) = covers up to 170,400 sq ft 
  • 5 Gallon Pack (640 oz) = covers up to 213,000 sq ft  

You can SAVE MONEY with the “mix and match” in our Build-a-Box options

Check out all of our other Greene County products here!

Application Information:
You will need to water in RGS if you apply with a backpack/pump sprayer. If you are using a quart hose-end sprayer, here is a video with instructions. 

RGS can be applied at any time during the growing season on all grass types, including the following:

  • Cool-Season Lawns - Kentucky Bluegrass, Turf Type Tall Fescue (all fescues), Ryegrass.
  • Warm-Season Lawns - Bermuda, St Augustine, Zoysia, Centipede, Bahia.

Custom bio-stimulant timing and recommendations are available in the free Yard Mastery app. Click here to download.

 Coverage/Gallon

42,600 sq ft at the low rate (3 oz/1,000 sq ft)
21,300 sq ft at the high rate (6 oz/1,000 sq ft)

Application  Details

Mix 3 oz- 6 oz per gallon of water in a backpack/pump sprayer and spray that evenly across 1,000 sq ft of lawn.

Apply every 30-45 days

Water-In  Instructions

Water into the soil within 24 hours with 1/4" of rainfall or irrigation.
Do not apply if your lawn is saturated. Rinse excess off sidewalks and driveways to avoid staining.

  • Label/Specs/SDS: RGS Info
  • Link to Bio-Stimulant Guide
  • Package Includes: Quart, One, Two, Four Single Gallon(s), or 5-Gallon (two 2.5-gallon bottles) based on selection.
  • Storage: Store in a cool, dry place away from direct sunlight. The product can be stored for 2 years under warehouse conditions.

Shipping Information:

Shipping Costs

Included for most states within the U.S.
NO P.O. Boxes

State Restrictions
Alaska (AK), California (CA), Hawaii (HI), and Oregon (OR)
Stickers

Yes, a free sticker with this item

Typical Delivery Time

4 - 7 business days

Product Type

Liquid Concentrate

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 49384922261

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★★★★★ 3
Pleasant scent, decent protection, fades by evening
Style: Vintage Suede, Size: 2.65 Ounce (Pack of 1)
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Reviewed in the United States on February 16, 2026
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TheWalkin
Grantham, US
★★★★★ 4
Better cologne type deodorant that's not as EXTREME as dramatic competitors.
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So far so good with this deodorant regarding how well it performs through a full day of light activity (morning yoga, playing with the dog, carrying kids around, etc.). The scent is light and I notice it periodically throughout the day, but it's light enough to not be overwhelming or smell like a strong cologne. The fragrance is very "Man Fireplace Candle" type scent, but in a good way that is perfect for its purpose. My biggest complaint is the deodorant is very malleable, almost putty-like, so it tends to get squished out the sides of the lid when open/closed daily, therefore making it messy. This is relatively avoidable by just winding down the wheel each time, but is "annoying" as opposed to just using and capping. It glides on smoothly and feels good on skin or "hairy pits". A little pricier, but it's worth it in my opinion. Will be purchasing again.
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Reviewed in the United States on February 3, 2026
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Fenise
Massapequa, US
★★★★★ 5
Officially my favorite and exclusive deodorant.
Style: Vintage Suede, Size: 2.65 Ounce (Pack of 1)
This is the most amazing smelling deodorant I've ever used, and unique, too. Very smooth just like their shaving cream, and I haven't had any irritation. I've been complimented by a few people now on how good I smell.
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Reviewed in the United States on May 24, 2026
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Ryan Bowser
New York, US
★★★★★ 5
Smells great. Doesn't mess with my pits.
Style: Casked Vanilla, Size: 2.65 Ounce (Pack of 1)
I ordered the casked vanilla scent. My lady loves it on me. The added benefit I wasn't expecting was no more sour pit smell by the end of the day that has plagued me using other brands. I'll keep ordering this stuff for now.
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Reviewed in the United States on May 24, 2026
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Braden
Phoenix, US
★★★★★ 4
Effective
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Smells is nice but not amazing, the body wash in the Bergamot smells much better. But this stuff lasts. No chalky / sticky feeling but still keeps me BO free for two days straight.
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