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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon202
    Verified landscaping services reviews

Top-Rated Landscapers in Cos Cob - Updated Nov 2026

Avatar for BJA Bros Landscaping Service, LLC
BJA Bros Landscaping Service, LLC
5.0(
48
)
Lawn Care - Maintain and Mow a Lawn

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2018

Free estimates

Small jobs welcome

"I am a new customer with BJA Bros. So far everything has been great. My lawn is being well maintained, the clean-up after the lawn has been cut is exactly what I've been looking for, and the communication has been smooth. I've been searching for a competent landscaping company for awhile and I may have found the right one. Hoping this partnership continues to be a great one."
Plantation
Plantation
Plantation
Hay & Seed
Hay & Seed

+24

Response time1 day
Recommended by97%of homeowners
Avatar for Ron's Masonry
Ron's Masonry
5.0(
30
)
Lawn & Yard Waste Clean UpLandscape - Soil, Sand, Mulch and Rock DeliveryLawn Care - Maintain and Mow a Lawn+7 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1995

Emergency services offered

Small jobs welcome

"In addition to his masonry expertise, Ronald did an excellent job preparing our large spa pool for summer use and repairing the wood surround. I have also hired him to repair some Belgian Block curbing and secure paved stairs."
Walkway
Steps
Footing
Walk
Walk

+36

Response time1 day
Response rate86%
27 neighbors recently requested a quote
Avatar for Fair-Way Landscaping, LLC
Fair-Way Landscaping, LLC
4.8(
49
)
Lawn & Yard Waste Clean UpLandscape - Install Landscaping for Yard or GardenSod - Install+3 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2007

Free estimates

Customers say: Quality work

"Andy did a great job of communicating about solutions to my landscaping issues. He and his crew constructed fencing with gates around my flower gardens, so now I can plant what I want without worrying about deer. I thought his prices were very reasonable for this area. Superior job all the way!"
New Construction
New Construction
New Construction
New Construction
New Construction

+6

Response time1 day
7 neighbors recently requested a quote
Recommended by79%of homeowners
WHITE GARDEN DESIGNS
5.0(
5
)
Landscape - Install Landscaping for Yard or GardenDesigner - LandscapeDrywell - Construct or Rebuild+10 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2002

Free estimates

Offers commercial services

"White Garden Designs is the Best!! I have used him for at least 10 years now and nobody cares more or is more detail oriented than Charlie. I have recommended him and his company to dozens of friends and everyone was as pleased as I am. They always show up on time and if there is ever a problem (which I haven't had) they will always make it right. He takes pride in his work and it shows. He also is a Koi pond specialist, designing and maintenance. This man does it all. He is the go to guy for all your landscaping and pond needs."
9 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Greenscape Lawn Care
Greenscape Lawn Care
5.0(
10
)
Architect - LandscapeDesigner - LandscapeDrywell - Construct or Rebuild+8 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2023

Free estimates

Customers say: True professional

"Jorge and crew from Greenscape Lawn Care provided excellent customer service including prompt & friendly communication, fair and upfront pricing, & efficient completion of the project. Jorge listened to my vision and was dedicated to making my vision to come to life. He provided quick digital mockups of my design using pictures of my space. It was the best way to determine the details of my design preferences. The team provided helpful feedback of my design through the whole process. Their quality of work is gold standard, they do not cut corners on any detail. Their work ethic is excellent and their dedication to a projects success is apparent at every step of the process. We are so happy with our new space and receive compliments on it daily from our neighbors and friends."
Landscaping Project
Landscaping Project
Landscaping Project
Landscaping Project
Landscaping Project

+26

Response time1 day
Recommended by100%of homeowners
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Landscaping FAQs, answered by experts

Yes, you can hydroseed with a garden hose, but you’ll need a tank or other large vessel for mixing the slurry, then a pump to send the slurry through the hose for spraying. Making your own hydroseeding unit can work, but it’s not usually worth the effort and supplies unless you already have them.

Landscape design can be a simple service that includes a drawing or visual representation of how your yard can be set up and optimized for your intended purposes. But it can also include all of the manual labor to make your vision a reality. When you speak with your landscape designer, ensure everyone understands the specific services you want. Some add-on services may include the following:

  • Sourcing and delivery of raw materials

  • Professional installation of features, including pergolas, decks, and pathways

  • Drainage system design

  • Recommendations for specific plants and trees

Hedges can be trimmed in many other shapes than the standard square shape. They can be cut into spiral, cone, and sphere shapes. However, cutting and maintaining these types of shapes is much more challenging. There are metal frames that you can purchase to place around the hedge to make it much easier.

It depends. Smaller, younger trees take longer to mature, but they're more resilient, their roots don't get as damaged during transplanting, and they recover faster. Plus, they're much more affordable to plant, and it's possible to DIY the planting. 

On the other hand, mature trees produce fruit faster and provide more shade and privacy immediately. Ideally, a small or medium tree is the better choice if you can wait a few years for it to mature. But if you need immediate maturity, a larger tree is the only option.

Determining how many boulders you’ll need for your landscaping project depends on the area you need to cover and how big each boulder is. First, you’ll need to determine how big of an area you want covered, then divide that by the base surface area of the boulders. A landscape professional can help you determine how many boulders will be right for your project.

The Cos Cob, CT homeowners’ guide to landscaping services

From average costs to expert advice, get all the answers you need to get your job done.