Your Local Garden & Landscape Experts Since 1992

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TRANSFORMING OUTDOOR SPACES WITH CUSTOM LANDSCAPE DESIGN & PROFESSIONAL PLANT INSTALLATION SERVICES

Main Line and Surrounding Philadelphia Suburbs

Excellence in Landscape Design & Installation

For over 30 years, Keystone Gardens has been the premier choice for landscape design and installation across the Philadelphia suburbs, Main Line, and surrounding areas. Our expertise is reflected in meticulously crafted landscapes that enhance some of the most beautiful homes in the region.


What sets us apart? We are the only landscaping company in the region to offer a Lifetime Plant Material Guarantee—a testament to our commitment to quality, sustainability, and customer satisfaction. Our dedication to excellence has earned us the trust of discerning homeowners who seek enduring beauty and craftsmanship in their outdoor spaces.


Elevate your home with a landscape built for lasting beauty and guaranteed for life.


Landscaping Design & Plant Installation

Transform your outdoors with Keystone Gardens’ expert landscaping services. From custom landscape design to plant installation, we create beautiful, functional spaces tailored to your needs. Enhance your curb appeal, increase property value, and enjoy a sustainable landscape that thrives year-round with our professional design and installation services.


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Water Features & Garden Structures

Create a natural gathering place with custom water features and garden structures. Whether it’s a cascading waterfall, a statement fountain, or a stone pergola that defines your outdoor space, these elements add movement, texture, and structure to your landscape. We thoughtfully design and build each feature to transform your yard into a functional, visually striking environment that feels peaceful and purposeful.

Garden Maintenance Services

Maintain a healthy, vibrant landscape with professional garden maintenance tailored to your property. Our services include naturalist pruning, weekly and monthly bed programs, spring, summer, and fall gardening services, poison ivy control, plant fertilizing, and transplanting of overgrown garden areas. Our team provides consistent, attentive care to keep your outdoor spaces looking their best year round.

Landscape Lighting

Enhance your home with custom landscape lighting designed to highlight its best features. From architectural uplighting and pathway illumination to accent lighting for trees and garden beds, our expertly designed systems add depth, warmth, and security to your outdoor space. With quality fixtures and precise placement, we deliver lasting results that elevate curb appeal and extend the enjoyment of your outdoor spaces.

Patios, Walls & Walkways

Transform your outdoor space with custom-designed features that combine style and function. From inviting patios and durable retaining walls to elegant walkways, we create solutions tailored to your vision. Using high-quality materials and expert craftsmanship, we deliver lasting beauty and durability for your outdoor living area.

Grading & Drainage

Protect your property and enhance your landscape with expert grading and drainage solutions. We specialize in corrective grading to redirect water away from your foundation and prevent erosion. Our services include installing effective lawn drains, French drain systems, and designing berms and swales to manage stormwater naturally. Whether you need sod and swales for a seamless, green solution or a complete drainage overhaul, our team ensures your yard stays dry, healthy, and beautifully maintained.

Come home to a garden that makes you and everyone who visits feel special.


Call us today or submit an online request for a free estimate!


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