Trusted Long Island landscapers for lawn care, garden maintenance, irrigation, mulch & hardscaping. Affordable, reliable, fully insured — with free on-site estimates.
Top-rated by Long Island homeowners
Fully covered, every job
On-site or from your photos
Enjoy now, pay over time
Homes and businesses alike
From weekly mowing to a full backyard redesign — we handle the whole property so you don't have to juggle five different guys.
Regular mowing, edging, aeration, fertilization & seasonal treatments that keep your lawn thick and green.
Learn more →Bed prep, mulching, plant care, and spring & fall cleanups to keep everything sharp all year.
Learn more →Custom sprinkler design and installation for efficient watering and a healthier landscape long-term.
Learn more →Fresh mulch beds that lock in moisture, block weeds, and instantly lift your curb appeal.
Learn more →Patios, walkways, and stone work that turn your outdoor space into a place you actually want to be.
Learn more →New sod, overseeding, and lawn renovation to turn bare or patchy yards into full, lush grass.
Learn more →Call or text us, or request a quote online. Tell us what you're thinking — or just send photos.
We come take a look at the property (or quote from your pics) and send a clear, honest price.
Our insured crew shows up on time and treats your property like it's our own.
We walk the finished job with you and clean up fully. Love it, and we'll keep it that way.
Drag the slider to see a tired yard become something special. This is your space to show off your best before-and-afters.
After
Before↔ Drag to reveal the transformation
Don't see your town? We cover most of Suffolk County and parts of Nassau — just ask. Each town gets its own page, which is a big part of how you show up in local Google searches.
"We switched to Green Horizon after our last landscaper kept no-showing. These guys actually answer the phone, show up on schedule, and our lawn has never looked this consistent. Reliable, professional, and easy to work with."
"The crew was incredibly helpful and the customer service was top notch. Aeration, fertilization, and overseeding all at a great price. Thrilled to have found reliable lawn care specialists!"
"The team did an amazing job with the spring cleanup at our house! Thorough, polite, and the whole process was seamless start to finish. Couldn't be happier. Highly recommend!"
Straight-up advice on lawns, landscaping, and getting the most out of your property.
Yes — every estimate is free. We'll come out to your property for an on-site look, or you can just send us photos and we'll get you a price.
We serve most of Suffolk County and parts of Nassau on Long Island. If you don't see your town listed, reach out — we often go a little further for the right job.
Absolutely. Green Horizon is fully licensed and insured, so you and your property are covered on every job.
Both. We handle one-time cleanups and projects as well as ongoing weekly and seasonal maintenance — whatever fits your needs.
Yes. For larger projects we offer financing plans so you can enjoy your new space now and pay over time.
It depends on the season, but we move fast. Call or text and we'll let you know the soonest we can get to your property.
Fill out the form or give us a call. We respond within 24 hours with a free, no-obligation estimate.
Get a free, no-obligation estimate for your project. We respond within 24 hours.
No pressure. No commitment.