Start with the leaves when identifying a lawn weed. Mowing often removes its flowers, but you can still see whether it forms a flat rosette, has three leaflets or sends runners through the grass. Gently lifting one plant reveals the roots and helps you choose a removal method.
A few daisies or patches of clover can fit perfectly well in a family lawn. If you want a more even grass surface, work on the plants that are spreading or crowding out the turf, then repair the gaps. For scattered dandelions, a narrow dandelion weeder is useful; for several different weed shapes, the lawn-weeding tool guide explains what to choose.
Identify the Shape Before Choosing a Treatment
Part the grass around the plant and follow a leaf back to its base. Several plants can be tangled together, so a yellow flower beside a leaf does not necessarily belong to it. Photograph a whole plant, a close leaf and any flower before mowing.
| What you can see | Likely starting point |
|---|---|
| Deeply toothed leaves in a flat rosette; one yellow flower on a hollow stalk | Dandelion |
| Small spoon-shaped leaves; white petals around a yellow centre | Daisy |
| Broad oval leaves with strong lengthwise veins; upright flower spikes | Greater plantain |
| Narrow ribbed leaves; short flowerheads with pale anthers on long stalks | Ribwort plantain |
| Three rounded leaflets, often with pale marks; round white flowerheads | White clover |
| Three small leaflets; tiny yellow pea flowers; check leaf hairs, tips and ripe fruits | Lesser trefoil or black medick |
| Three deeply divided leaflets; glossy yellow flowers; rooted runners | Creeping buttercup |
| Five toothed leaflets spreading like fingers from one point | Creeping cinquefoil |
| Small rounded leaves on fine creeping stems; tiny blue flowers | Slender speedwell |
Use more than one feature before settling on a name. Leaf size and colour change with shade, mowing and growth stage. A close photograph of leaves alone may narrow the possibilities without giving a firm identification.
Dandelions: Look for the Rosette and Hollow Flower Stalk
Dandelions (Taraxacum species) have a central crown with leaves radiating out at ground level. The leaf edges are usually deeply toothed, though their shape varies considerably. Each hollow, unbranched, leafless stalk carries one yellow flowerhead, followed by the familiar seed clock. The RHS dandelion guide shows the range of forms.
Check for cat’s-ear before calling it a dandelion
Cat’s-ear (Hypochaeris radicata) also has a low rosette and yellow flowerheads. Its leaves are usually conspicuously hairy, and its solid flower stems commonly branch to carry several heads. Dandelion flower stalks are hollow and unbranched, with one head each. Check these features together: leaf hairiness alone is not a dependable test. Massey University’s cat’s-ear description explains the distinction.
Removing a dandelion
For removal, loosen the soil beside the taproot and ease the plant out with its crown attached. Pulling only the leaves often leaves the growing part behind. Work after rain once the soil has drained: a root is easier to release from yielding soil than from a hard, dry surface.
A very deep root may break even with careful work. Mark the spot mentally and lift any fresh rosette while it is small. Repeatedly digging a large crater to chase the last piece can damage more lawn than the original weed occupied.
Daisies and Plantains: Small Rosettes That Sit Below the Mower
Daisy
The common daisy, Bellis perennis, has small, low leaves that widen towards their tips. Its white flower rays, sometimes pink underneath, surround a yellow centre. The leaf rosette remains close to the soil even after a cut, which is why mowing alone rarely clears daisies.
If you want to remove one, slip a hand fork beneath the crown and lift its root mass. A cluster of daisies needs a little more patience: check that you have lifted all the crowns rather than just the most obvious flower-bearing plant. The RHS daisy description is useful for comparison.
Greater plantain
Greater plantain (Plantago major) has broad oval leaves with conspicuous veins running from the base towards the tip. Its upright flower spikes are long and slender.
Ribwort plantain
Ribwort plantain (Plantago lanceolata) has much narrower, lance-shaped leaves with strong lengthwise ribs. Its flower stalks rise clear of the rosette, carrying short heads with a ring of pale anthers when flowering. Compare the plantain identification features if the leaf shapes are unfamiliar.
Lift beneath the whole crown with a fork. Where plantains repeatedly occupy a worn entrance or a route across the lawn, also look at traffic and soil compaction. Reseeding the same heavily trodden patch without protecting it gives the new grass a difficult start.
White Clover and Small Yellow-Flowered Lookalikes
White clover
White clover, Trifolium repens, has three rounded leaflets and creeping stems that root as they spread. A pale crescent often marks each leaflet, but some plants have little obvious marking. Its rounded flowerheads are white or pinkish.
You can keep white clover in an informal lawn and mow it with the grass. To remove a small patch, follow its creeping stems outwards and lift each rooted joint. Avoid treating clover as a reliable soil test: its presence alone does not tell you how much fertiliser to apply.
Lesser trefoil
Lesser trefoil (Trifolium dubium) has three small leaflets and heads of tiny yellow pea flowers. Its leaf blades are largely hairless and lack the tiny triangular point typical of black medick. As the flowers fade, their brown petals remain around the developing fruit.
Black medick
Black medick (Medicago lupulina) also has three leaflets and small yellow flowerheads, but its leaves are downy and usually end in a tiny triangular point. A hand lens helps. Its exposed, coiled seed pods turn black when ripe.
Flowerhead size and shade of yellow overlap, so check the leaves and fruits together. The Botanical Society of Scotland’s comparison shows these differences closely; the RHS clover guide covers their occurrence in lawns.
For lesser trefoil and black medick, trace each plant back to its root and lift it before more seed ripens. Black medick has a taproot that may need loosening with a narrow weeder. The rooted-runner method described above applies to white clover.
Creeping Buttercup and Creeping Cinquefoil
Creeping buttercup
Creeping buttercup (Ranunculus repens) has three main leaflets, each deeply cut or lobed; the central leaflet has a distinct stalk. Its flowers are glossy yellow. Surface runners can root at their joints and form new plants.
Creeping cinquefoil
Creeping cinquefoil (Potentilla reptans) usually has five distinctly toothed leaflets spreading from a single point, rather like fingers. It bears yellow, five-petalled flowers and sends out long runners. Rooted plants along these runners develop taproots.
Follow the runners before digging so you can see the extent of the patch. Lift creeping buttercup crowns and rooted joints with a fork. For creeping cinquefoil, also loosen and remove the established taproots: a narrow weeder can help with these, while a hand fork suits recently rooted runner sections. Check later for regrowth from pieces left behind.
Wear gloves when handling buttercups because their sap can irritate skin; they are harmful if eaten. The RHS creeping-buttercup reference and cinquefoil reference include further identification and removal advice.
If buttercup keeps spreading through a persistently wet area, investigate where the water is coming from and whether the soil stays saturated. Digging weeds from wet, sticky ground can leave the surface badly smeared; wait until it supports your weight without churning up.
Slender Speedwell: Fine Stems That Can Root Again
Slender speedwell, Veronica filiformis, makes a low mat of small rounded, toothed leaves on thin stems, often with a reddish tint. Its small blue-lilac flowers grow singly on long, fine stalks from the upper leaf axils, where a leaf meets the stem. Other speedwells occur in gardens, so compare the whole plant with the RHS speedwell photographs.
The stems can root from fragments, as described in Garden Organic’s slender-speedwell guide. For a limited patch, loosen beneath it and gather the creeping growth carefully rather than shredding it across the lawn. Collect the pieces as you work and check the edge of the patch for stems tucked beneath the grass.
That spreading habit also makes indiscriminate scarifying a poor first step. Identify and lift the patch before deciding whether the surrounding lawn actually needs thatch removal.
Choose What to Keep, Remove and Repair
For a few isolated weeds, hand removal gives you control over exactly what goes. On a lawn with several weed species spread throughout it, first decide what finish you want. Keeping small flowers in an informal area may be entirely acceptable; a fine ornamental lawn needs a different level of intervention.
If you are considering a combined treatment, the weed-and-feed guide covers product choices. Read the actual label for the weeds controlled, the lawn’s age, weather conditions and any delay before reseeding. Buying a treatment before identifying the plant can leave you applying something that will not solve the problem.
Grass-like patches need a different approach. The coarse-grass guide covers unwanted grasses, including couch; ordinary selective broadleaf lawn treatments do not remove them.
After lifting weeds, settle the disturbed soil back to the surrounding level. Small holes can close as nearby grass grows; larger bare spaces need seed or turf.
For patch seed, Hurrells Seeds offers mixtures for different lawn uses. Match the remaining grass and growing conditions using the lawn seed buying guide before ordering.
Use discount code FORMBY10 for 10% off.
Plan repairs for conditions in which the grass can establish. Damp autumn ground can make weeding easier, but cold soil and a wet forecast may make sowing worth postponing. The grass-seed sowing guide will help you choose the timing.
Photo credits and licences
Photographs sourced through Wikimedia Commons. Images have been resized and converted to WebP; the featured daisy photograph has also been cropped. These versions are available under the same licences linked below.
- Daisies in lawn (featured image): W. Bulach — source photograph, CC BY-SA 4.0.
- Dandelion: Thomas Wolf (Der Wolf im Wald) — source photograph, CC BY-SA 3.0.
- Daisy: Jon Mortin — source photograph, CC BY 4.0.
- Greater plantain: Rasbak — source photograph, CC BY-SA 3.0.
- Ribwort plantain: Krzysztof Ziarnek, Kenraiz — source photograph, CC BY-SA 4.0.
- White clover: Fanghong — source photograph, CC BY-SA 3.0.
- Lesser trefoil: Kenraiz — source photograph, CC BY-SA 3.0.
- Black medick: Krzysztof Ziarnek, Kenraiz — source photograph, CC BY-SA 4.0.
- Creeping buttercup: Stefan.lefnaer — source photograph, CC BY-SA 4.0.
- Creeping cinquefoil: Krzysztof Ziarnek, Kenraiz — source photograph, CC BY-SA 4.0.
- Slender speedwell: Robert Flogaus-Faust — source photograph, CC BY 4.0.
- Cat’s-ear: Agnieszka Kwiecień, Nova — source photograph, CC BY-SA 4.0.
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