Your Professional Green Lawn Care Fertilization & Weed Control Company.

Serving Parts Of Long Island, NY. Nassau & Suffolk Counties Since 1986

Making Your Lawn Green Is Our Routine!

Green Supreme specializes in professional lawn treatments tailored for our Long Island environment and customized to solve your specific lawn problems.

We are NYSDEC licensed applicators that have the knowledge and expertise to diagnose and correct any lawn.

Our Services Include:

Premuim Ultra Slow-Release Fertilizer 🌍
Broadleaf Weeds & Crabgrass Control 🌿
Fungus & Lawn Disease Treatments 🦠
Grubs & Surface Insects 🐛
Nutsedge & Kyllinga Control 🌱
Core Aeration & Premuim Overseeding 🌾
Soil pH Testing & Lime Applications 🧪

Towns We Serve

Nassau
Massapequa
Massapequa Park
Farmingdale
Seaford
Wantagh
Bethpage
Old Bethpage

Suffolk
Amityville
Copiague
Lindenhurst

There’s No Easier Way To Get Lawn Treatment Services Than
Our Simple 3 Step Process

Step 1

Get A Quote

Start by requesting a quote. We’ll drive to your property with a custom proposal and leave it in the mailbox.

Step 2

Schedule Services

Once accepted, we’ll let you know when we’ll perform the service and leave with a clean, professional touch.

Step 3

Relax & Enjoy

You can now relax and watch your lawn transform into the ideal outdoor space you’ve always dreamed of.

Call (516) 795-8154

Get Your Free Lawn Inspection →

Free Estimate • No Spam • Local & Family-Owned Since 1986

Joseph Albanese

March 17, 2026

I would highly recommend this Green Supreme. Eric is very knowledgeable and is willing to spend the time properly explaining not only what is needed for your particular lawn, but also what is not needed, avoiding unnecessary cost.

Shaun Tibbo

May 6, 2025

Green Supreme has completely transformed my lawn! From their informative, no-pressure consultation to their tailored treatment plans, they've demonstrated a commitment to understanding my lawn's unique needs. The results speak for themselves: my once patchy, weedy yard is now a thick, vibrant green carpet that has even garnered compliments from the neighbors. Their knowledgeable technicians use high-quality products, ensuring a significant reduction in weeds and a noticeably healthier lawn. Beyond the impressive results, Green Supreme's customer service is exceptional. They are responsive, reliable, and provide clear communication, making scheduling a breeze. Their attention to detail and commitment to quality truly set them apart. If you're seeking a lawn care service that delivers outstanding results with top-notch customer care, I wholeheartedly recommend Green Supreme. They've elevated my lawn to a new level of health and beauty!

April 22, 2025

Our lawn was a disaster after we took it over from the previous owner. Weeds, clovers, and crabgrass just everywhere -- the entire lawn was literally covered in it, and lots of dead patches. Our lawncutter guys did nothing about it and claimed they could help after we asked, but had no results even after paying a fortune for "chemicals". We seriously feared we would have to replace the entire front and back lawns. We finally got in touch with Green Supreme and despite having a lot of doubt due to the condition of the grass, these guys were extremely professional and attentive. They also were very informative and intimately understood the nature of each type of grass. Within one season, all the weed was gone, our grass was looking greener than ever and they still maintain our grass today. I was in disbelief of the miracle. We've been using them every year now ever since then. I can't recommend these guys enough!

Andrew S.

June 17, 2024

⭐⭐⭐⭐⭐ I couldn't be happier with the services provided by Green Supreme! As someone who has tried various national franchise chains in the past, I can confidently say that Green Supreme outshines them all. My lawn has never looked so green and beautiful – it's like a lush carpet! What truly sets Green Supreme apart is their exceptional customer service. Being a small, family-owned business, they really go the extra mile to make sure their customers are satisfied. They consistently keep me informed about upcoming treatments through emails and postcards, so I'm never left in the dark. This level of communication and care is something I've never experienced with the larger chains. If you're looking for a reliable, friendly, and effective lawn treatment service, look no further than Green Supreme. Thank you for transforming my lawn and for your top-notch customer service. Highly recommended! 🌿🌟

LugMonster Junk Removal & Hauling

March 9, 2024

An excellent lawn treatment company! They are extremely knowledgeable in their field. I was very impressed by how efficient they were and how everything was handled. I would recommend them to anyone!

Patricia Camperlengo

October 31, 2023

Thank you Greene Supreme for taking care of our lawn and helping us to restore it ! Your service is always on time and you always call back when we have questions! Very pleased with the way are lawn looks!! Thank you!

Brian Barnard

October 25, 2023

I am so glad I switched to Green Supreme. My lawn has never looked better. I’ve had a problem with nut grass for years. My landscapers couldn’t control it so I gave green supreme a call and they knocked it right out and any other weeds. John and Eric are very nice and professional. I highly recommend this company.

Gabriel DeFelice

October 24, 2023

Green Supreme did a spectacular job on my lawn. Extremely knowledgeable in their line of business. They solved all the issues with the lawn. My lawn looks beautiful, healthy and green. Amazing job, we are extremely satisfied! I highly recommend Green Supreme!!

Joshua Michelman

October 5, 2023

Green Supreme is an excellent company! John and Eric have been taking care of my property for 10 years now and they have done an amazing job keeping my lawn in too shape while also helping to revive it after a few setbacks of my doing. When a temporary Intex pool flattened the yard they took care of it. When heavy construction equipment ripped up my front lawn they restored it back to health. John and Eric are always thorough when explaining what is needed and they follow up to make sure everything has been taken care of. A+ Service!!!

Chris Pisacani

Green supreme is the best in the business. Wouldn’t think about using another company for my lawn needs. Do not hesitate or think twice about using John and Eric. Thank you guys for your great service

Your Professional Green Lawn Care Fertilization & Weed Control Company.

Serving Parts Of Long Island, NY. Nassau & Suffolk Counties Since 1986

Our Services Include:

Fertilization & Weed Control

Insect & Disease Treatments

Core Aeration & Seeding

Your Professional Green Lawn Care Fertilization & Weed Control Company. Serving Parts Of Long Island, NY. Nassau & Suffolk Counties Since 1986

Our Services Include:

Your Professional Green Lawn Care Fertilization & Weed Control Company.

Serving Parts Of Long Island, NY. Nassau & Suffolk Counties Since 1986