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TRUSTED BY SULLIVAN, IL HOMEOWNERS

  • Average homeowner rating star icon3.9
    Average homeowner rating
  • Verified reviews icon20
    Verified landscaping services reviews

Top-Rated Landscapers in Sullivan - Updated Nov 2026

Avatar for Custom Landscapes, Inc.
Custom Landscapes, Inc.
3.8(
17
)
Landscape - Install Landscaping for Yard or Garden

Serving Sullivan, IL and surrounding areas

Approved

In business since 1990

Free estimates

Credit card accepted

"David McLaughlin and his workers were very good at creating a back yard for us with paver patio and walkway. one thing I appreciated is that David took the time to listen to our vision for creating a back yard space that compliments the lake view. He did a rendering and it was far more beautiful than we expected. We had Custom Landscapes install an above ground pool and loved his idea to build a deck around the oval pool. We appreciate Dave's communication when a product was delayed or we had weather related issues he would let us know. We did appreciate that working in the weather environment sometimes would create a delay in our goals for completing. Thank you Dave! I wish I could post some before and after projects."
Estate Mowing
1
2
4
5

+49

Response time2 days
Recommended by92%of homeowners
Avatar for Philpott Concrete and Excavating
Philpott Concrete and Excavating
4.7(
11
)
Retaining Wall - Install

Serving Sullivan, IL and surrounding areas

Approved

In business since 2015

Free estimates

Offers commercial services

"He and his crew did a demo for me and they cleaned it all up and hauled it away, raked the dirt and promised to bring me more dirt soon so I can plant grass in this spot in my backyard. They repaired my fence and added privacy panels to it with a new privacy gate. They did a very professional job. I would recommend them to anyone wanting a professional job at a reasonable price."
Response time3 days
2 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Sherwoods landscaping maintenance - Inicio  Facebook
Sherwoods landscaping maintenance - Inicio Facebook
3.5(
2
)
Lawn & Yard Waste Clean Up

Serving Sullivan, IL and surrounding areas

Approved

In business since 2020

Free estimates

Customers say: Quick response

"I called Caynan and he came out on short notice and removed a large pile of downed tree limbs/brush on our front parkway. He was very efficient and used his blower to clean the surrounding street and even our patio. The price he charged was more than fair. Great work."
Recent Project
Recent Project
Recent Projects
Recent Projects
Recent Project

+3

Response time2 days
Recommended by100%of homeowners
Finley Creek Trucking, LLC
5.0(
1
)
Landscape - Minor Grading or ReslopingLandscape - Minor Grading or Resloping - For BusinessLandscape - Soil, Sand, Mulch and Rock Delivery

Serving Sullivan, IL and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

Finley Creek Trucking LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Response time3 days
Avatar for Iron Key Property Management LLC
Iron Key Property Management LLC
New to Angi
Lawn & Yard Waste Clean UpLawn Care - Maintain and Mow a Lawn

Serving Sullivan, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Hello, this is Iron Key Services LLC. We are a veteran-owned lawn care, cleanup, debris removal, and property maintenance company serving Central Illinois.\n\nWe have availability today for urgent property cleanups, overgrown lawns, move-out exterior cleanup, trash/debris removal, and curb-appeal work before showings or tenant turnover.

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Landscaping FAQs, answered by experts

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

As much as you might try to keep a healthy, nutrient-rich lawn, you still may notice signs of St. Augustine decline (SAD)—a viral disease that discolors your grass blades. St. Augustine decline looks like:

  • Discoloration in the leaves (chlorosis)—leaves appear yellow and splotchy

  • Decline in growth

  • Leaves turn black within 3 years

  • Grass appears less vibrant

  • Grass begins to thin

  • Root rot

  • Grass takes longer to recover

Yes, landscaping costs are generally a worthwhile investment that can increase your property value. Landscaping can boost your home's value by up to 30% by improving its curb appeal, which can help it sell faster and for a higher price. Specific projects have a high return on investment (ROI); for example, revamping a front walkway can offer a 100% ROI, while a pristine, well-manicured lawn can deliver an impressive 217% ROI. In addition to the financial returns, you also get to enjoy the improvements, especially with features like an outdoor living area.

The best time to plant a privet hedge is autumn, ideally October or early November. Fall is the best time to plant privet hedges because young plants need plenty of water to jump-start their growth, and it typically rains more during this season. However, you can also successfully plant privets in the spring.

The best size rock for your landscaping depends on the design, as different boulders serve different purposes. If you want to group boulders to create a natural-looking cluster, you’ll need a range of sizes. Otherwise, here are some suggestions:

  • Small boulders (smaller than 12 inches across): Best for landscape edging and fire pits 

  • Medium boulders (12–24 inches): Best for retaining walls and water features

  • Large boulders (more than 24 inches): Best as standalone landscaping features, steps, or walkways.

Of course, you can mix and match sizes to create a unique display.

The Sullivan, IL homeowners’ guide to landscaping services

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