How to Get Rid of Chickweed

Common chickweed (Stellaria media) is one of the fastest-spreading annual weeds in UK gardens. It germinates almost year-round, forms a low spreading mat over bare soil in weeks, and races through…

Common chickweed (Stellaria media) is one of the fastest-spreading annual weeds in UK gardens. It germinates almost year-round, forms a low spreading mat over bare soil in weeks, and races through its life cycle — a single plant can set seed within five or six weeks and several generations can appear in one season. Its shallow roots make it easy to remove; the whole battle is simply keeping ahead of its seeding. This guide covers how.

How to identify it

Chickweed forms sprawling mats of weak, branching stems with small, pointed, oval leaves in opposite pairs, and tiny white star-shaped flowers (each with five deeply notched petals that look like ten). A single line of fine hairs runs along one side of the stem — a useful identifying feature. The roots are shallow and fibrous, so plants lift easily.

How to get rid of chickweed

Hoe on a dry day. The quickest method is to run a hoe through beds and borders on a warm, dry day; the shallow-rooted plants are severed and shrivel in the sun. Do this little and often and chickweed never gets established.

Hand-pull. Mats pull up easily and cleanly when the soil is moist. Remove plants before they flower — chickweed flowers and seeds even on small plants, so do not leave pulled material lying on the bed, as it can re-root or ripen seed; bag it or compost it hot.

Mulch. Because it only colonises bare ground, a layer of organic mulch over borders is the single most effective long-term control, smothering germinating seed. Keeping vegetable ground cropped or covered does the same.

Weedkiller is seldom worth it. Chickweed can usually be controlled by hand pulling, hoeing in dry weather and covering open soil with organic mulch. The RHS advises that weedkiller is unnecessary for this easily removed annual.

Stopping it coming back

The rule is simple: never let it seed. Clear plants while young, keep soil mulched or planted, and stay on top of new flushes after rain or cultivation, when fresh seed germinates en masse. Chickweed seed can persist in the soil for a long time. Keep checking after cultivation or rain, and remove fresh seedlings before they flower.

Its value for wildlife

Chickweed is edible — the young growth is a mild, fresh-tasting salad leaf — and it provides ground cover and seed for birds. It is a harmless, easily managed annual rather than a damaging invader, so there is no need for drastic measures: regular hoeing is all it takes.

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