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Early in the season, many gardens start off sparse. That’s where filler plants come in. The right fillers will completely change the feel of your garden. These hardworking plants do more than just fill gaps—they add layers of texture, color, and seasonal interest to your landscape.
They help extend the bloom season, support pollinators, and make your flowerbeds look full and vibrant. Whether you’re working with a large yard or a few containers, incorporating filler plants is a smart, beautiful way to make your space feel lush and complete.
Lantana
This sun-loving perennial shrub works well filling in flowerbeds. It is treated as an annual in cooler climates but is hardy in zones 9 to 11. Its clusters of small, brightly colored flowers can attract butterflies and hummingbirds, making it a perfect addition to any garden.
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Zinnias
Zinnias are a garden classic. Their bushy plants produce large, colorful flowers in shades of shades from early summer to fall. They love full sun and well-drained soil, and frequent watering helps establish a long season of blooms.
Lamium (Lamium maculatum)
Also known as dead nettle, is a ground cover ideal for controlling erosion in shady areas and filling sparse flowerbeds. Its dense foliage helps stabilize soil, while its pink, purple, or white flowers add subtle color.
Marigold (Tagetes Spp.)
Marigold plants prefer full sun and well-drained soil and works well are garden fillers. They require regular watering until well-established but can tolerate hot, dry conditions.
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Catmint
Catmint produces
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Sweet Alyssum
Sweet Alyssum produces dense blankets of fragrant flowers in white, rose,
Sedum
Sedum varieties are completely maintenance-free and love the sun. They provide late-season blooms and are excellent for attracting butterflies. These flowers are long-lasting and dry well for winter arrangements. Zones 3-9
Lavender (Lavandula spp.)
Lavender thrives in hot, sunny locations with well-drained soil. Its fragrant blooms will fill up a space in the garden and attract pollinators. A perfect choice for a drought-resistant, low-maintenance garden. Zones 5-9
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Geraniums
Some geranium varieties have small, tightly packed flowers that look like rosebuds. They are extremely versatile, thriving in containers, beds, and as border plants. They prefer sunny locations and well-drained soil. With so many color options available, these plants work well in gardens, containers, and hanging baskets. They are a great way to add the rose feeling with easier care and upkeep.
Petunia (Petunia spp.)
Petunias are fast-growing, low-maintenance sun lovers that thrive in garden beds and containers. Hybrid varieties will not always breed true, so it’s difficult to say what your new flowers will look like.
With so many beautiful varieties available, there is a petunia for every garden. Petunias like fertile soil and a moderate amount of water. They bloom best in mild weather.
Dianthus (Dianthus spp.)
Dianthus is a delightful ground cover known for its small, fringed flowers in shades of pink, red, and white. Blooming from spring through summer, these flowers have a light, spicy fragrance.
Aster
Asters are available in various shades of purple, pink, and yellow. These flowers attract pollinators and are perfect for fall gardens.
Black-Eyed Susan
With their striking yellow flowers, Black-Eyed Susans are excellent at attracting butterflies. These hardy, sun-loving plants can thrive in various conditions, making them a versatile choice for any butterfly garden. They are relatively pest-free, blooming in midsummer until hard frost. Use this beautiful plant as a border plant, as a ground cover for sunny spots, or in large groups in the flower or vegetable garden. Zones 3-9
Lamb’s Ear
Lamb’s ear is known for its fuzzy leaves with a gray-green, silver, frost-like appearance. This low-growing ground cover forms a dense carpet that effectively blocks sunlight, preventing weeds from growing. It works well to fill in gardens. It is drought-tolerant, requiring little water, and thrives in full sun with well-draining soil. Zones 4 to 8
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