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20 Ground Covers That Outcompete Weeds

Keeping weeds under control can be a challenge for any gardener. Ground covers offer a natural way to reduce weeds by filling in bare spaces and creating dense mats that block weed growth.

These plants not only reduce the need for mulch and herbicides but also add greenery and texture to your outdoor spaces.

Creeping Thyme

Dense cluster of creeping thyme, small purple flowers blooming, green foliage covering the ground, low-growing perennial herb, natural ground cover, bright sunlight illuminating plants, wild thyme in a garden or meadow, drought-resistant plant, pollinators attracted to blossoms
Image Credit: Salicyna – CC BY-SA 4.0/Wiki Commons.

Creeping thyme is a woody perennial ground cover that spreads quickly. You’ll find it helps reduce weeds, though some may still sneak through.

It only lasts about 3-5 years, and older plants can look a bit untidy with dead branches. Regular weed removal will keep your thyme healthy as it grows.

Woolly Thyme

Dense cluster of small, pinkish-purple flowers, growing low to the ground, surrounded by tiny green leaves, thriving in dry soil, ideal for ground cover, used in rock gardens and pathways, attracting pollinators like bees
Image Credit: DoF CC-BY-X – CC BY-SA 4.0/Wiki Commons.

Woolly Thyme is a low-maintenance ground cover with soft, fuzzy gray leaves. You will enjoy its ability to spread quickly, rooting as it goes, which helps fill empty spaces.

While it can suppress some weeds, you should still remove aggressive ones to keep your planting healthy. It adds texture and softness to your garden with minimal effort.

Lemon Thyme

Green thyme plant with small, variegated leaves, tiny purple flowers, dense growth, fresh culinary herb, outdoor garden setting, soil visible beneath foliage
Image Credits: Adobe Stock.

Lemon thyme is a fragrant ground cover that can help crowd out some weeds by growing densely. You’ll find it forms a thick mat, which reduces space for unwanted plants.

While it won’t stop all aggressive weeds, regular weeding will keep your thyme looking its best. Plus, it adds a lovely citrus scent to your garden.

Creeping Mazus

Small purple-blue Mazus flowers with cream-colored stamens scattered across green lawn grass and ground cover plants
Image Credit: James St. John – CC BY 2.0/Wiki Commons.

If you’re looking for a fast-spreading ground cover, creeping mazus is a great choice. It creates a dense, low mat that helps crowd out weeds effectively.

You’ll appreciate that it stays green for most of the year and works well in USDA zones 5 to 8. It’s low maintenance and perfect for filling in bare spots in your garden.

Liriope

Field of slender purple liriope flowers rising from dense green grassy foliage, creating a carpet of vertical lavender blooms
Image Credit: Famartin – CC BY-SA 4.0/Wiki Commons.

Liriope is a tough ground cover that helps keep weeds at bay by forming dense clumps. You’ll appreciate its low maintenance and drought tolerance, making it great for busy gardeners.

Its grass-like leaves keep your garden looking green year-round, while violet-blue flowers add subtle color. Just be aware it can spread and crowd out other plants if left unchecked.

Comfrey

Purple bell-shaped flowers hanging from green stems, surrounded by lush green leaves, blurred green background
Image Credit: Adobe Stock.

Comfrey spreads quickly and covers ground well, making it effective at reducing weeds. Its dense growth helps block sunlight, which prevents weed seeds from sprouting.

Keep in mind, comfrey can use a lot of soil nutrients, so monitor your plants to avoid competition. You can plant comfrey along garden edges or in strips as a natural weed barrier.

Microclover

A dense patch of vibrant green clover leaves with water droplets scattered across, covering the entire ground in lush foliage
Image Credit: Vlad Chețan/Pexels.

Microclover is a low-growing plant that blends well with grass in your lawn. It stays green longer without much watering.

It naturally fixes nitrogen in the soil, which means your grass gets a healthy boost without extra fertilizer. Because it grows densely, microclover helps crowd out weeds, reducing the need for herbicides.

Creeping Phlox

Close-up of creeping phlox flowers in varying shades of purple, pink and white blooming in a sunny garden
Image Credit: Adobe Stock.

If you’re looking for a ground cover to help keep weeds down, creeping phlox is a solid choice. It spreads by above-ground shoots, filling in space quickly.

You might notice some weeds poking through at first, but as the phlox thickens, it becomes tougher for weeds to establish. Its colorful blooms add charm while doing the work.

Bugleweed (Ajuga)

Purple Bugleweed tall spiky blooms, green foliage, blurred garden background, blue border with checkmark icon
Image Credit: Adobe Stock.

Bugleweed is a dense, fast-spreading ground cover that helps you suppress weeds by filling in empty spaces. It works well under shrubs and in beds where other plants might struggle.

You’ll find it low maintenance, making it easy to keep your garden tidy without much effort.

Deadnettle (Lamium)

Close-up of withered purple flower clusters, dried green foliage, neglected ground cover with shriveled blooms, damaged or dying low-growing plants
Image Credit: Oktay Köseoğlu/Pexels.

Deadnettle forms a dense, spreading mat that helps keep weeds at bay. You’ll appreciate its variegated leaves and delicate flowers, which add interest to shady spots.

It grows quickly and can root at the nodes, covering ground effectively. Deadnettle needs little care and tolerates dry, shaded areas well, making it a practical choice for low-maintenance gardens.

Angelina Sedum

Dense cluster of Angelina Sedum, succulent with yellow-green needle-like leaves, tinged with orange, potted plants in the background
Image Credit: David J. Stang – CC BY-SA 4.0/Wiki Commons.

Angelina Sedum makes a colorful, low-maintenance ground cover. You can grow it in full sun or semi-shade, and it thrives in well-drained, sandy soil.

It spreads quickly, creating a dense mat that helps block weeds. Plus, it needs little water and resists most diseases, making it easy to care for in your garden.

Vinca Minor (Periwinkle)

Four light purple periwinkle flowers blooming among green stems and leaves, with brown dried leaves on the ground below
Image Credit: George Chernilevsky – Public Domain/Wiki Commons.

If you’re looking for a low-maintenance ground cover, Vinca Minor is a good choice. It spreads quickly, helping to outcompete many common weeds.

You’ll find it thrives in shady spots where grass struggles. Keep an eye on its runners, though, as it can become somewhat invasive if left unchecked.

Mowing or trimming can help you manage its growth and keep it looking neat.

Lamb’s Ear

Fuzzy sage-green lamb's ear plant with soft, velvety leaves growing low to ground among fallen leaves and pine needles
Image Credit: PumpkinSky – CC BY-SA 4.0/Wiki Commons.

Lamb’s ear is a soft, silvery ground cover that forms a dense mat, making it hard for weeds to grow through. It thrives in sunny spots but can also handle some shade, making it versatile for your garden.

This plant is drought tolerant and low-maintenance, perfect if you want something easy to care for. Its thick leaves create a carpet-like cover that helps suppress weed growth naturally.

Cedar Mulch

A close-up of reddish-brown cedar mulch with jagged wood chips, bark fragments, and fine shavings spread across the ground surface
Image Credit: Tomwsulcer – CC0/Wiki Commons.

Cedar mulch is a great option if you want to reduce weeds naturally. It breaks down slowly, so you won’t need to replace it often.

Using cedar mulch helps keep soil moist while blocking sunlight that weeds need to grow. It works well on its own or under other ground covers to give your garden extra protection.

Ajuga Reptans

Ajuga Black Scallop Bugleweed with dark foliage and small violet flowers growing among forest floor debris and fallen leaves
Image Credit: Guettarda – CC BY-SA 4.0/Wiki Commons.

Ajuga Reptans, also called Bugleweed, is a great choice if you want a quick-spreading ground cover. You’ll appreciate its dense foliage that helps block out weeds.

It grows well in many areas, including under shrubs or in garden beds. Plus, its colorful leaves and blue flower spikes add extra interest to your space.

Corsican Mint

Close-up of densely growing microgreens or sprouts with round, bright green leaves. The young plants create a lush carpet-like texture, showing various sizes of cotyledon leaves tightly packed together across the entire frame
Image Credit: David Eickhoff – CC BY 2.0/Wiki Commons.

If you want a low-growing ground cover with a fresh scent, Corsican mint is a good choice. It forms a dense mat of tiny leaves that spread quickly without becoming invasive.

This mint helps keep weeds down by filling empty spaces and can also repel pests around vegetables like cabbage. It works well in shady spots where grass might struggle.

Sweet Woodruff

Small white star-shaped flowers nestled among bright green foliage, likely sweet woodruff or galium
Image Credit: Adobe Stock.

If you need a ground cover for shady spots, sweet woodruff is a great choice. It grows low and spreads slowly, making it perfect under trees or in cool corners of your garden.

You’ll enjoy its delicate white flowers in late spring and the fresh fragrance it brings. It also helps keep weeds down while holding moisture in your soil.

Epimedium

Close-up of delicate Barrenwort (Epimedium) flowers with elongated petals and yellow centers against bright green leaves
Image Credit Adobe Stock.

If you need a ground cover for dry, shady spots, Epimedium is a solid choice. You’ll find it’s slow-growing but gradually fills in, helping to reduce weeds naturally.

Its heart-shaped leaves stay evergreen, and in spring, you get delicate flowers. Plus, it’s deer resistant, so your garden stays looking good with less effort.

Pachysandra Terminalis

A dense patch of green-leaved Pachysandra with small white flower clusters blooming at the top of each leafy stem
Image Credit: Krzysztof Ziarnek, Kenraiz – CC BY-SA 4.0/Wiki Commons.

If you have shady, hard-to-grow spots, Pachysandra Terminalis can be a solid choice. It spreads quickly and forms a thick mat that helps keep most weeds at bay.

Once established, you’ll notice fewer weeds competing with your garden. Keep in mind, it can become dominant, so you might need to manage its growth to avoid it taking over more than you want.

Irish Moss

Field of tiny white Irish Moss (Sagina subulata) with yellow centers growing among bright green moss or ground cover in sunny setting
Image Credit: Agnieszka Kwiecień, Nova – CC BY-SA 4.0/Wiki Commons.

Irish moss is a low-growing ground cover that forms a dense mat, helping to block weeds from gaining space.

You can use it in rock gardens, between pavers, or as a lawn alternative. It spreads slowly but steadily, mainly by tiny flowers that produce seeds.

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