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Landscape Architect Design, & Installation

At Irwin Landscaping, every landscape begins with a conversation. We take the time to understand how you live, what you value, and how you want your outdoor space to look, feel, and function before developing a custom landscape plan.

Through a collaborative design and installation process, we guide you through plant selection, layout, seasonal interest, grading, drainage, and long-term care. From signature planting and garden renovations to complete landscape transformations, we create refined outdoor spaces that feel personal, intentional, and naturally connected to your home.

Discover the Irwin Approach

Request a Consultation & Meet Our Team

Exceptional Landscape Architect and Design Services
With a deep understanding of aesthetics, functionality, and environmental considerations, we create captivating landscapes that harmonize with their surroundings. From residential to commercial projects in Delaware, our experts excel in designing outdoor spaces that reflect your unique style and enhance your lifestyle.

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Landscape Design & Installation Frequently Asked Questions

Learn more about Irwin Landscaping’s landscape design, planting, installation, HOA approval, and permitting process for residential properties throughout Delaware and Pennsylvania.

What is included in your landscape design services?

Our landscape design process can include site planning, plant selection, planting bed design, grading, drainage considerations, seasonal interest, privacy, outdoor circulation, and long-term maintenance. Every plan is developed around the property, architecture, and how the homeowner wants to use the space.

Can you redesign or update an existing landscape?

Yes. Irwin Landscaping can work with an existing landscape and determine what should stay, what should be removed, and where new plantings or design changes can improve the property. Landscape renovations can range from refreshing individual beds to completely reworking an outdated or overgrown landscape.

How do you choose the right plants for a property?

Plant selection is based on sunlight, soil conditions, drainage, mature size, seasonal interest, maintenance requirements, and how each plant relates to the rest of the landscape. We also consider the homeowner’s preferences so the finished garden reflects both the property and the people who live there.

Can you design a low-maintenance landscape?

Yes. Maintenance is something we consider during the design process. Proper plant selection, spacing, mulching, pruning requirements, and the way planting beds mature can all reduce ongoing maintenance. No living landscape is completely maintenance-free, but it can be designed to require significantly less care.

Can you design a landscape with year-round interest?

Yes. Most of our landscapes are designed with four-season interest in mind. We use combinations of flowering plants, perennials, ornamental grasses, evergreens, foliage, bark, branching structure, and seasonal color so the property continues to have visual interest throughout spring, summer, fall, and winter.

Do you work with homeowners associations on landscape approvals?

Yes. Many HOA communities require landscape plans to be reviewed before work begins. Irwin Landscaping can design with HOA guidelines in mind and prepare the landscape plan and project information needed for the homeowner’s approval process. We account for requirements such as approved plantings, property boundaries, screening, materials, colors, and other community-specific restrictions.

Do you help with permits and township requirements for landscaping projects?

Yes. When a landscape project involves local permitting, drainage requirements, grading restrictions, stormwater regulations, or other township requirements, we identify those considerations during the planning process and help determine what approvals are required. Requirements vary by municipality and project, so we address them early to help avoid delays or redesigns later.

Do you provide landscape design and installation in Delaware and Pennsylvania?

Yes. Irwin Landscaping provides professional landscape design and installation services throughout our service areas in Delaware and Pennsylvania, including complete landscape transformations, planting plans, garden renovations, and custom residential landscapes.

All Of Our Landscaping Related Services

See Hardscaping and Maintenance Service Pages for Everything Else We Offer

Landscape Design

Collaborative design and skilled installation that bring plants, pathways, and finishing details together cohesively.

Signature Planting

Thoughtfully selected trees, shrubs, perennials, and native plants chosen for lasting beauty and healthy growth.

Landscape Renewal

Strategic updates to aging or overgrown landscapes that improve plant health, functionality, and curb appeal.

Irrigation

Efficient irrigation installation, repairs, and seasonal adjustments that help landscapes receive the right amount of water.

Custom Ornamental Fencing

Decorative fencing designed to add privacy, structure, and character while complementing your home and landscape.

Lawn Establishment

Professional preparation, grading, seeding, and sod installation for a healthy lawn suited to your property.

Native & Pollinator Gardens

Low maintenance native Perennials, and meadow gardens that attract wildlife and pollinators.

Drainage & Grading Solutions

Practical solutions for standing water, runoff, erosion, and uneven grades that help protect your property.

Customer Reviews

“

Irwin Landscaping is an awesome company to work with. They do beautiful quality work, standing behind everything they do and have the best employees.

Guardian, New CastleGarden design, Hardscaping
“

Excellent customer service, experienced plant people, beautiful design and maintenance. Highly recommend.

DonnaGarden design, Hardscaping
“

Have used Irwin Landscaping for decades. They always do quality work and stand behind what they do.

JordanHardscaping, Yard grading
“

Irwin Landscaping is amazing!

TimLandscape installations

Case Study

Case Study: A Low-Maintenance Four-Season Garden

A Four-Season, Low-Maintenance Landscape Designed Around the Homeowner Every successful landscape design starts with more…
Case Study

Case Study: Landscape Design

For this property, Irwin Landscaping worked alongside the construction company throughout the project to help…
Blogs

Case Study: Native Planting and Hardscaping Renovation in Delaware

When the homeowners completed renovations to their house, the surrounding landscape remained largely unfinished. The…
View All Case Studies

Landscaping Services in Northern Delaware & Southeastern Pennsylvania

Irwin Landscaping provides custom landscape design, planting, installation and property improvement services throughout Northern Delaware and Southeastern Pennsylvania. For nearly four decades, our team has helped homeowners transform outdoor spaces with landscapes that are thoughtful, functional and designed to become more beautiful over time.

Every property is different. We begin by understanding how you use your outdoor space, the character of your home and what you want the landscape to accomplish. From new landscape design and planting to drainage improvements, lawn establishment and complete landscape renovations, each project is approached as part of a larger outdoor environment.

Our goal is not simply to add plants or improve curb appeal. We create landscapes that feel intentional, established and naturally connected to the property around them.

Complete Residential Landscaping Services

Our landscaping services combine design expertise, horticultural knowledge and experienced installation to create outdoor spaces that perform as beautifully as they look.

Whether you’re planning a complete landscape transformation or improving one portion of your property, Irwin Landscaping can develop a solution tailored to your home, site conditions and long-term goals.

Landscape Design

A successful landscape begins with a thoughtful plan.

Our landscape design process considers the architecture of your home, existing site conditions, views, circulation, sunlight, drainage and the way you want to use your outdoor space. From there, we develop a cohesive landscape that brings planting, lawn areas, gardens, pathways and outdoor features together.

We provide custom residential landscape design for homeowners throughout Northern Delaware and Southeastern Pennsylvania.

Landscape Planting & Installation

The right plants can completely change the way a property feels.

Our landscape planting services include the selection and installation of trees, shrubs, perennials, ornamental grasses and native plants chosen specifically for the property. We consider mature size, seasonal interest, sunlight, soil conditions and maintenance requirements so each planting has the opportunity to thrive.

The result is a landscape designed not only for the day it is installed, but for the way it will grow and mature over the years ahead.

Landscape Renovation

Older landscapes often have good bones but need a new direction.

Our landscape renovation services are designed for properties with overgrown plantings, outdated layouts, declining plants or landscapes that no longer complement the home.

We can selectively preserve valuable existing plants while reworking planting beds, introducing new plant material, improving circulation and creating a more cohesive overall landscape.

Landscape renovation is often one of the most effective ways to dramatically improve curb appeal without completely starting over.

Irrigation Installation & Repair

Healthy landscapes depend on receiving the right amount of water at the right time.

Irwin Landscaping provides irrigation installation, repairs and seasonal adjustments designed around the needs of your lawn, gardens and plant material.

A properly designed irrigation system helps protect your landscape investment while reducing unnecessary watering and supporting healthier plants throughout the growing season.

Custom Ornamental Fencing

Ornamental fencing can provide privacy, definition and structure while becoming an attractive part of the landscape itself.

We design and install custom fencing solutions that complement the architecture of the home and surrounding gardens rather than feeling like an afterthought.

Whether the goal is privacy, screening, enclosure or simply adding character to the property, fencing can become an important part of the overall landscape design.

Lawn Establishment

A healthy lawn begins with proper preparation.

Our lawn establishment services may include grading, soil preparation, seeding and sod installation depending on the needs of the property.

Rather than treating the lawn as a separate element, we consider how it connects with surrounding gardens, drainage patterns and the overall landscape.

Native & Pollinator Gardens

Native plants can create landscapes that are beautiful, resilient and full of life.

We design native and pollinator gardens using plants selected for local growing conditions and seasonal interest. These landscapes can provide valuable habitat for bees, butterflies, birds and other wildlife while reducing the need for intensive inputs over time.

Native plantings can be incorporated into traditional landscapes or used to create more naturalistic gardens and meadow-style spaces.

Drainage & Grading Solutions

Poor drainage can damage lawns, gardens, hardscaping and even the areas surrounding your home.

Our landscape drainage and grading services address standing water, runoff, erosion and poorly draining areas by looking at how water moves across the entire property.

Depending on the site, solutions may include grading adjustments, drainage systems, swales, stone applications, planting strategies and other improvements designed to move or manage water more effectively.

Landscape Design That Works With Your Property

Good landscaping should feel like it belongs.

Rather than approaching each element independently, we look at the property as a whole. Planting beds should relate to the home. Pathways should lead somewhere naturally. Trees should provide structure and scale. Drainage should function correctly. Lawn areas should make sense.

That larger perspective is what allows a landscape to feel established rather than assembled.

For homeowners throughout Northern Delaware and Southeastern Pennsylvania, our approach combines landscape architecture, horticultural knowledge and decades of hands-on experience creating residential outdoor environments.

Landscaping for Northern Delaware & Southeastern Pennsylvania

Irwin Landscaping works with homeowners throughout the region, including communities across Northern Delaware and neighboring areas of Southeastern Pennsylvania.

Our familiarity with the local climate, soils, plant material and seasonal conditions allows us to design landscapes specifically for this region.

From properties in the Wilmington area and surrounding Northern Delaware communities to homes across Chester County and Southeastern Pennsylvania, we create landscapes that balance beauty, durability and long-term growth.

More Than Landscaping

Many projects extend beyond planting and landscape installation.

If your project includes patios, walkways, retaining walls, outdoor living spaces or other masonry features, explore our Hardscaping Services.

Once your landscape is established, our Landscape Maintenance & Property Care team can provide the ongoing pruning, garden care, seasonal maintenance and property attention needed to help it continue looking its best.

Together, these services allow Irwin Landscaping to care for a property from initial design and installation through years of growth and refinement.

The Irwin Approach

We Start With Your Property

Before designing anything, we spend time understanding the site — what is already working, what isn’t and what opportunities the property presents.

We Design With Purpose

Plant material, circulation, drainage, lawn areas and outdoor features are considered together rather than as separate pieces.

We Install With the Future in Mind

Plants grow. Gardens mature. Conditions change.

We select and install landscapes with an understanding of how they will develop over time so the finished property becomes more rewarding as it matures.

Transform Your Landscape

Whether you are starting with a blank slate, renovating an existing landscape or solving a specific problem on your property, Irwin Landscaping can help develop a thoughtful plan for what comes next.

Request a consultation with our landscape design team and discover what’s possible for your property.

Contact Us