15 of the most common, hard-to-shift weeds in UK gardens (…and 8 and 9 are the absolute WORST)

You spend months caring for your plants, tending to your borders, and then you spot it. A weed! But how bad is it? We lift the lid on the worst weeds to find in your garden and how to deal with them. From the pretty and harmless to the downright pernicious.

1. Dandelion (Taraxacum officinale – main image)

With their bright yellow flowers and fluffy seedheads, dandelions are easily recognisable. They produce deep, brittle taproots that can regrow from any fragment left in the soil, which is why they can be so tricky to remove. Plus, their fluffy seedheads are easily carried on the wind. Dandelions are beneficial to pollinators, but in lawns and vegetable beds, they compete for nutrients and space. Removing them requires patience and careful technique to avoid breakage of the root, as any piece left behind will regrow.

Type: Perennial

Persistence rating: 3/5

Beauty rating: 3/5

Can I get rid of it? With some difficulty, the deep tap root can be tricky to remove

How? Use a long, pointed trowel to dig vertically and remove the entire root in one piece if possible.

Is it avoidable? Maintain a dense, healthy lawn and remove flower heads before they seed.

Can I just leave it? Yes, in wildlife areas, as they support pollinators

2. Creeping buttercup (Ranunculus repens)

With bright yellow flowers and three-lobed leaves, this perennial spreads aggressively via runners that root at the nodes, quickly forming dense mats in lawns, borders and damp soils. The plant tolerates mowing and can regenerate from root fragments, making it a persistent nuisance. Its thick, fleshy roots can be difficult to eradicate, especially in heavy or wet soils where it thrives. Early intervention is key to preventing them from spreading.

Type: Perennial

Persistence rating: 4/5

Beauty rating: 3/5

Can I get rid of it? It can be tricky, especially in wet soils.

How? Use a trowel to dig out the plant, ensuring all runners and roots are removed.

Is it avoidable? Improve drainage and avoid overwatering; remove small patches quickly.

Can I just leave it? In meadows, absolutely, but not in borders or lawns.

3. Couch grass (Elymus repens)

Couch grass is a perennial grass with slender, pointed leaves and tough, white rhizomes that spread rapidly underground. It spreads in borders, vegetable plots and lawns, competing with your plants for nutrients and water. The rhizomes are brittle and break easily, with even small fragments capable of regenerating. Couch grass can quickly smother other plants if not tackled early.

Type: Grass

Persistence rating: 5/5

Beauty rating: 2/5

Can I get rid of it? With difficulty, thanks to its extensive rhizome network.

How? Carefully dig out all rhizomes using a fork, removing every piece.

Is it avoidable? Keep an eye on your borders, removing plants as soon as you spot them, and mulch bare soil to suppress growth.

Can I just leave it? No, it will outcompete your other plants.

4. Ground elder (Aegopodium podagraria)

Ground elder is a perennial with broad, toothed leaves and clusters of small white flowers. It spreads rapidly via underground rhizomes, forming dense carpets that smother other plants. The roots are brittle and break easily, making complete removal tricky. Ground elder can persist for years if not tackled thoroughly. Despite its problems in the garden as a weed, it’s a popular plant with wildlife, providing food for a range of butterflies, moths and beetles.

Type: Perennial

Persistence rating: 5/5

Beauty rating: 4/5

Can I get rid of it? It can be tricky, as it has deep, spreading roots.

How? Repeatedly dig out all roots and shoots; cover with light-excluding mulch for a year.

Is it avoidable? Inspect new plants for root fragments; act quickly at first sight.

Can I just leave it? You can leave it in wild or unmanaged spaces in the garden. It's beneficial to wildlife.

5. Bindweed (Calystegia sepium/Convolvulus arvensis)

Both hedge and field bindweed are perennial native wildflowers with twining stems and large, white trumpet flowers. They have long, thick, and brittle roots which spread deep and wide. Both types will climb over other plants, smothering them and reducing their growth. Bindweed can regrow from tiny pieces of root, so complete removal can become a very long project. Whilst a nuisance in the garden, both hedge and field bindweed do have some benefits for wildlife. Both are native wildflowers with attractive blooms, plus the leaves of hedge bindweed provide food for some caterpillars and beetles, and the flowers of both hedge and field are great for pollinators.

Type: Perennial

Persistence rating: 5/5

Beauty rating: 3/5

Can I get rid of it? It’s very challenging to remove completely, due to its brittle roots.

How? Dig out all roots with a fork and repeatedly remove any new shoots that appear.

Is it avoidable? Check soil and compost for any root fragments before planting.

Can I just leave it? Bindweed flowers do provide nectar for pollinators, so you might consider leaving in wilder areas, but it can quickly overwhelm other plants to care is required.

6. Bramble (Rubus fruticosus)

Bramble, or wild blackberry, is a scrambling shrub with thorny stems and edible black fruits. It's native to the UK and can often be spotted in woodlands. It spreads by arching stems that root where they touch the ground and by seed. Brambles can quickly form impenetrable thickets, especially in neglected areas. Brambles are, however, great for wildlife. They provide food, pollen, nectar and shelter for a huge variety of insects and mammals, including moths, hedgehogs and garden birds.

Type: Shrub

Persistence rating: 5/5

Beauty rating: 2/5

Can I get rid of it? It’s very difficult to remove, especially when mature.

How? Make sure you’re wearing gloves when removing brambles, cut back top growth and then dig out the roots.

Is it avoidable? Remove seedlings promptly when you spot them.

Can I just leave it? It’s worth leaving in a wildlife garden or a wilder area of your space, but you will need to manage its spread carefully. Brambles provide food and shelter for a wide variety of birds, insects and mammals.

7. Common stinging nettle (Urtica dioica)

Stinging nettle is a perennial with serrated, heart-shaped leaves and stinging hairs. It spreads by creeping roots and seeds, forming dense stands in fertile soils. Nettles are valuable for wildlife and can help attract butterflies and moths into your garden. The leaves are a food source for caterpillars, and some garden birds eat the seeds.

Type: Perennial

Persistence rating: 3/5

Beauty rating: 1/5

Can I get rid of it? It's relatively easy to remove, particularly if tackled early.

How? Pull out young shoots in the spring and make sure you remove as much of the root as possible.

Is it avoidable? Regularly mow or dig over ground that contains nettles.

Can I just leave it? Birds and butterflies will be grateful for some nettles in a wilder area of your garden.

8. Japanese knotweed (Reynoutria japonica)

Japanese knotweed is a tall, bamboo-like perennial with heart-shaped leaves. Its thick rhizomes can damage buildings and are very difficult to eradicate. It spreads rapidly and is a serious invasive threat, requiring persistent effort to control. It is an invasive non-native plant and is listed on Schedule 9 of the Wildlife and Countryside Act 1981. The plant can cause so many problems that it can affect property sales and mortgage applications.

Type: Herbaceous perennial

Persistence rating: 5/5

Beauty rating: 2/5

Can I get rid of it? Extremely difficult, professional help will be required.

How? It’s really hard to do on your own, so get the experts in.

Is it avoidable? When buying properties, get a survey to ensure there are no visible signs. It is a legal requirement for anyone selling a property to declare that knotweed is on the property.

Can I just leave it? No, it's illegal to allow knotweed to spread onto other people's property or into the wild.

9. Horsetail (Equisetum arvense)

Horsetail is a deep-rooted prehistoric perennial with upright, jointed stems resembling miniature conifers. It spreads by deep rhizomes, which can grow in a range of conditions, or via spores produced by early shoots in spring, which require damp conditions to grow. Horsetail thrives in poor, compacted soils and can persist for years.

Type: Perennial

Persistence rating: 5/5

Beauty rating: 3/5

Can I get rid of it? It can be difficult due to deep roots.

How? Repeatedly pull the stems over several years, and improve the soil drainage and fertility.

Is it avoidable? Act as quickly as possible!

Can I just leave it? You might like to leave it in wilder areas, but most gardeners prefer to remove it.

10. Creeping thistle (Cirsium arvense)

Creeping thistle is a perennial with spiny, silvery-green leaves and purple flowers. It spreads by creeping roots and wind-blown seed, forming dense patches which can outcompete border plants. The roots are deep and brittle, making complete removal a challenge. Although considered a weed by many, creeping thistle is a native wildflower with many benefits for wildlife, including as a food source for invertebrates and as a nectar source for pollinators. Birds eat the seed and use the thistledown for their nests.

Type: Perennial

Persistence rating: 4/5

Beauty rating: 4/5

Can I get rid of it? The roots are difficult to remove, but it is possible.

How? Deadhead flowers in summer before they set seed or dig out plants, making sure you remove all the roots.

Is it avoidable? Yes, just act as quickly as possible!

Can I just leave it? Yes, as it is beneficial to wildlife, but make sure you control the spread and don’t allow it to smother other plants.

11. Chickweed (Stellaria media)

Chickweed is a low-growing annual with small oval leaves and tiny white flowers. It forms dense mats in borders, lawns and vegetable beds, quickly setting seed. Chickweed thrives in moist, fertile soil and can complete its lifecycle in a few weeks. Whilst it can be a problem if allowed to spread, it's beneficial to wildlife, producing flowers that provide nectar for bees and seeds that provide a food source for small birds.

Type: Annual wildflower

Persistence rating: 1/5

Beauty rating: 4/5

Can I get rid of it? It’s relatively easy to remove chickweed organically, particularly if caught early before it forms a large carpet on bare soil.

How? Deadhead flowers in summer before they set seed or weed out plants.

Is it avoidable? Yes, just act as quickly as possible.

Can I just leave it? Yes, as it's beneficial to wildlife, but make sure you control the spread and don’t allow it to smother other plants.

12. Fat hen (Chenopodium album)

Fat hen is an annual with grey-green, toothed leaves and dense clusters of tiny greenish flowers. It grows vigorously on rich soils and can reach up to a metre tall, shading out crops and ornamentals. Each plant produces thousands of seeds, and the seed can remain dormant for many years, so it’s best to remove plants before they go to seed.

Type: Annual wildflower

Persistence rating: 3/5

Beauty rating: 2/5

Can I get rid of it? It’s easy to remove young plants; it becomes slightly harder with more mature plants.

How? Hoe seedlings early in the growing season or pull larger plants by hand.

Is it avoidable? Yes, mulch bare soil and regularly weed.

Can I just leave it? You won’t want to leave fat hen in productive beds, but it can be left for wildlife in other parts of the garden.

13. Plantain (Plantago major)

Plantain is a perennial with broad or ribbed leaves forming a low rosette. It produces tall flower spikes of up to 30cm in the summer. It’s incredibly tolerant of foot traffic, often thriving in areas of high footfall such as lawns and paths. It spreads by seed, so mowing before the plant sets seed will reduce the spread. The roots are not invasive, and birds will eat the seeds, so if you’re growing a wilder lawn, you might like to leave it.

Type: Perennial

Persistence rating: 2/5

Beauty rating: 2/5

Can I get rid of it? It has shallow roots, which make it easier than some weeds, but they’re quite tough.

How? Use a knife or a trowel to cut out the whole plant; remove before the plant goes to seed to prevent further spread.

Is it avoidable? Yes, keep your lawns aerated and avoid compaction.

Can I just leave it? Yes, leave in wild lawns as birds feed on the seeds.

14. Daisy (Bellis perennis)

The common daisy is a perennial with spoon-shaped leaves and white, yellow-centred flowers. It forms dense mats in lawns and tolerates close mowing. Daisies spread by seed and creeping roots, so either deadhead before they set seed or remove by hand using a daisy grubber, a tool ideal for removing short-rooted weeds.

Type: Perennial wildflower

Persistence rating: 1/5

Beauty rating: 5/5

Can I get rid of it? Yes, it’s easy to remove, particularly in small numbers.

How? Use a daisy grubber to lever out the roots.

Is it avoidable? Yes, keep your lawn healthy and remove any daisy clumps early.

Can I just leave it? Yes, especially if you enjoy a natural look to your lawn.

15. Shepherd’s Purse (Capsella bursa-pastoris)

Shepherd’s purse is a small annual with heart-shaped seedpods and white flowers. It grows rapidly in disturbed soil, producing many generations in a season. Whilst you may want to control its spread, it won’t cause much competition to established plants, and small birds eat the seeds. You may, however, want to remove it completely in vegetable patches, as it is a host plant for the disease white blister, which can affect plants in the cabbage family. It could also crowd out young plants and seedlings.

Type: Annual or biennial wildflower

Persistence rating: 1/5

Beauty rating: 5/5

Can I get rid of it? Yes, plants just have one main taproot, so are very easy to remove.

How? Hoe seedlings and pull out mature plants

Is it avoidable? Yes, keep beds mulched and remove seedlings quickly.

Can I just leave it? Yes, particularly in wildlife gardens and wilder areas of your garden.