Field Bindweed
Climbing & scrambling weed
Field bindweed, Convolvulus arvensis, is a deceptively delicate-looking perennial that can become one of the most tenacious weeds in a border or allotment. Its slender stems weave through neighbouring plants, while an extensive underground root system keeps sending up replacements. Early, repeated action is far more effective than allowing it to establish.
How to identify it
Field bindweed has thin, twisting stems that usually trail or climb 20 to 100 cm. Its leaves are arrow-shaped, with two pointed basal lobes, and are carried singly along the stem. Small funnel or trumpet flowers, commonly white with pink stripes or a pinkish flush, appear from late spring into autumn. Beneath the soil are long, deep, brittle white roots and creeping shoots. Even a small broken root fragment can produce fresh growth, so plants often reappear after cultivation.
Where it grows
It is widespread in UK gardens, allotments, hedgerows and waste ground, especially on open, cultivated or light soils. New shoots commonly emerge in spring, then scramble through crops, shrubs and fences through summer. It thrives in sunny places but can persist at the edges of established planting, where roots escape notice beneath other plants.
Why it is a problem
The stems wind tightly around flowers, vegetables and young shrubs, pulling them down or making maintenance difficult. Its deep root system competes strongly for water and nutrients, and broken roots spread the problem during digging. Once mature, field bindweed can survive repeated disturbance and steadily occupy more of a bed or plot.
How to control it
Unwind stems gently from wanted plants before pulling, rather than tearing both together. Dig carefully around isolated patches and remove every reachable piece of white root, collecting fragments rather than chopping them into the soil. Do not rotovate infested ground. Revisit regularly and remove each new shoot before it can build root reserves. On vacant ground, use a securely weighted light-excluding cover for an extended period, checking edges for escapes. Mulch planted beds to make shoots easier to spot, and expect repeated effort over several years.
Commonly confused with
It is often confused with hedge bindweed, but field bindweed has smaller flowers and leaves, and usually stays lower. Black bryony also climbs, yet has glossy heart-shaped leaves and does not have bindweed's pale trumpet flowers. Young shoots may simply look like trailing seedlings until leaves develop.
Field Bindweed: frequently asked questions
How do I identify field bindweed?
Field bindweed has thin, twisting stems that usually trail or climb 20 to 100 cm.
How do I get rid of field bindweed?
Unwind stems gently from wanted plants before pulling, rather than tearing both together.
Where does field bindweed grow?
It is widespread in UK gardens, allotments, hedgerows and waste ground, especially on open, cultivated or light soils.
General guidance for UK gardens and allotments, focused on prevention and non-chemical control. For a confirmed identification, the RHS or a local garden centre can help. Page updated 18 Sep 2026.