Ornamental Grasses Border Design Ideas

Christopher Jul 25, 2026

Ornamental grasses have long been a staple in landscape design, offering a unique and elegant way to add texture and visual interest to any garden or outdoor space.

19+ Inspiring Ornamental Grass Border Ideas
19+ Inspiring Ornamental Grass Border Ideas

From the delicate, lacy fronds of maiden grass to the bold, towering plumes of pampas grass, these versatile plants can add a touch of sophistication and refinement to even the most mundane landscape.

38 Brilliant Garden Borders With Grasses to Steal
38 Brilliant Garden Borders With Grasses to Steal

Choosing the Right Ornamental Grass for Your Border Design

When selecting an ornamental grass for your border design, it's essential to consider the mature size of the plant, as well as its growth habits and maintenance requirements.

an image of a garden with plants and flowers in it, including grass growing on the ground
an image of a garden with plants and flowers in it, including grass growing on the ground

Some ornamental grasses, like the fountain grass, can grow quite large and may require regular pruning to maintain their desired shape and size.

Mature Size and Growth Habits

49 Cottage Garden Borders
49 Cottage Garden Borders

For example, the blue oat grass (Helictotrichon sempervirens) is a compact, clump-forming grass that grows to be about 2-3 feet tall and 1-2 feet wide, making it an excellent choice for smaller borders or containers.

On the other hand, the pampas grass (Cortaderia selloana) can grow up to 10 feet tall and 6 feet wide, making it a more dramatic and show-stopping addition to any landscape.

Maintenance Requirements

Decorative Grasses Garden Ideas for Front and Backyard
Decorative Grasses Garden Ideas for Front and Backyard

Some ornamental grasses, like the purple fountain grass (Pennisetum setaceum), require regular pruning to maintain their desired shape and size, while others, like the black mondo grass (Ophiopogon japonicus), are relatively low-maintenance and require only occasional division and fertilization.

It's also essential to consider the hardiness zone and climate requirements for the specific ornamental grass you're choosing, as some may not be suitable for your local growing conditions.

Designing with Ornamental Grasses

50 Awesome Ornamental Grass Ideas for Gardens
50 Awesome Ornamental Grass Ideas for Gardens

Ornamental grasses can be used in a variety of ways to add visual interest and texture to your border design, from mass plantings to specimen plantings and even as a focal point in a container garden.

When designing with ornamental grasses, it's essential to consider the overall aesthetic and style of your landscape, as well as the mature size and growth habits of the plants you're choosing.

some purple and yellow flowers are in the middle of a graveled area next to a road
some purple and yellow flowers are in the middle of a graveled area next to a road
a garden filled with lots of different types of plants
a garden filled with lots of different types of plants
23 Gorgeous Ornamental Grasses for Adding Year-Round Interest to Your Landscape
23 Gorgeous Ornamental Grasses for Adding Year-Round Interest to Your Landscape
Purple & White Bliss: Dry Garden Outdoors
Purple & White Bliss: Dry Garden Outdoors
an outdoor fire pit surrounded by lawn furniture and landscaping plants in the back yard area
an outdoor fire pit surrounded by lawn furniture and landscaping plants in the back yard area
some very pretty plants by the side of a road in front of a white fence
some very pretty plants by the side of a road in front of a white fence
a garden filled with lots of purple and white flowers
a garden filled with lots of purple and white flowers
a gravel path surrounded by lots of plants and flowers
a gravel path surrounded by lots of plants and flowers
Front Yard Border Ideas with White Roses, Lavender and Evergreens
Front Yard Border Ideas with White Roses, Lavender and Evergreens

Mass Plantings

Mass plantings of ornamental grasses can create a stunning, dramatic effect, especially when used in conjunction with other plants and landscape features.

For example, a mass planting of blue oat grass can create a beautiful, blue-green carpet that can be used to soften and define the edges of a border or to create a sense of continuity in a larger landscape.

Specimen Plantings

Specimen plantings of ornamental grasses can add a touch of elegance and sophistication to your landscape, especially when used in conjunction with other plants and landscape features.

For example, a single pampas grass plant can be used as a focal point in a container garden or as a dramatic addition to a larger landscape.

By considering the mature size, growth habits, and maintenance requirements of ornamental grasses, as well as their design potential, you can create a stunning and visually appealing border design that adds texture, interest, and sophistication to your garden or outdoor space.