This perennial’s petite pink pom-pom flowers bring cheer to borders from late spring to early summer. Even when not in bloom, its grassy foliage is attractive at the front of a bed. Drought-tolerant thrift thrives in full sun and is hardy in Zones 3–9.

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If you don’t want to wait for blooms, then you need impatiens. Their irregularly shaped flowers in vibrant purple, pink, red, orange, yellow, or white appear almost as soon as you plant them along a path. One of the easiest annuals to grow, impatiens blossom nonstop and can endure the heat with consistent watering. To avoid the common issue of downy mildew on leaves, try Beacon impatiens or Sunpatiens.

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Add a consistent frame to your seasonal garden with this low-growing evergreen shrub. Creeping juniper doesn’t require pruning unless it spills over walkways and is drought tolerant once established so you can plant it in full sun and forget it.

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Smaller varieties of this showy flowering herb can work well as edging plants, providing not only a pretty pop of color but also a pleasant clove-like fragrance. Regular deadheading keeps the blooms coming as well as the butterflies and hummingbirds that feed on their nectar.

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Incorporate some texture into a colorful border with lamb’s ears. Its fuzzy silver foliage pairs particularly well with purple flowering plants. This tough perennial herb tends to spread in most types of soil to form dense ground cover, so if used as an edger, you’ll need to keep it in line.

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With all the sizes, shapes, textures, and colors of dahlias, it might be hard to pick just one to accent your border garden. Go for a mix of bulbs to get multiple styles of blooms. Dahlias behave like perennials in warmer regions but annuals in cooler climates. In Zones 1–7, overwinter by carefully digging up the tubers in the fall and storing them in a cool, dark place in slightly damp peat moss or sawdust to prevent a difficult decision about which variety to plant next year.

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Add this perennial for a hint of long-lasting color in a partially shaded border. Depending on the variety, astilbe boasts plumelike flowers of white, pink, or red from mid-spring to late summer. Its fernlike bronze and green foliage provides a nice textural contrast to plants with large, broad leaves like heucheras and hostas.

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Though its dozens of bell-shaped flowers are short-lived, the daylily’s mounds of green foliage make it a solid edging plant choice for spring through fall. Plant lots of varieties for a long-term display of color. This popular perennial, which blooms in colors from yellow to red, mixes well with any palette.

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Coral bells’ feathery spikes of tiny pendant flowers in spring and summer aren’t the main attraction for most gardeners. Instead its vibrant, saturated foliage is sought to play up the colors of other border plants. A variety with dark purple leaves makes yellow flowers glow, and caramel-colored leaves bring out the tones of green leaves.

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Upright sedum varieties form vertical clumps and are ideal for adding fall flair along the front of sun-drenched borders. Also known as stonecrop, this perennial holds up well in heat and drought and attracts butterflies and other pollinators to your garden.

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Use catmint to soften a border’s edge and provide contrast to spiky plants like irises and yuccas. Its purple-and-blue blooms pair well with pink and yellow flowers. If you cut the foliage back after this perennial blooms, then you can enjoy two to three flushes of color each season.

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A crowd favorite for their explosive purple and pink flowers, rhododendrons grow in a surprising number of shapes and sizes. Look for medium-sized shrubs that thrive in dappled sunlight when using rhododendrons as borders.

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This herbaceous perennial happens to be one of the most versatile gems in the garden, as it can fill in between pavers or serve as a verdant border of a rock garden. Little white flowers pop up throughout the growing season when planted in full light.

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Moss rose is a superb choice for dry climates, as it is drought tolerant and thrives in full sun. The bright-flowered annual typically doesn’t spread outside of where it’s initially sowed, making it a reliable edging plant for pathways or smaller flower beds.

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In its early stages of life, liriope tends to look like any old type of tall grass, but it’s a herbaceous perennial that blooms striking lavender-colored flowers in the heat of late summer and early fall. The sturdy foliage stands tall as an edging plant and even prevents erosion in the garden.

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Plant lush green ferns along shaded driveways and woodland paths or in dappled light. Because ferns prefer moist soil, they thrive when used as edging plants beside streams or ponds.

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This ornamental herb, which boasts pretty purple flowers, makes for a fragrant ground cover ideal for lining steps or between pavers on patios or terraces. When crushed, the flowers emit a fresh herbal scent. Plant this deer-resistant ground cover in full sun to partial shade.

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Ornamental grasses such as fountain grass are ideal for planting along borders, paths, or driveways that receive full sun. Dwarf varieties grow to two to three feet tall and three feet wide and feature fine green foliage in the summer that produces pinkish “foxtail” blooms in late summer to early fall.

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These medium flowering shrubs—which produce blooms in shades of pink, blue, purple, and white—work well for lining paths and driveways in partial shade and separating gardens into smaller spaces. Their size also makes them ideal as standalone edging plants or for layering with other edging plants, like ferns or hostas.

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The pairing of boxwood and roses (here, Iceberg roses) is a classic, with the strong lines of the boxwood tempered by the abundance of the roses draping overhead. Designed by landscape architects Hoerr Schaudt, with Christina Rottman, this elegant contemporary garden has a backdrop of mountains and the sea, dual senses echoed in the curving design of the lush boxwood against the pebble mosaic.

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