Identify Weeds: Field bindweed (Convolvulus arvensis)
Height x spread: 20-75 x 75cm (8-30 x 30in).
Leaves: Arrow-shaped, mid green, 2-5cm (1-2in) long.
Flowers: Pink and white striped, funnel-shaped, up to 3cm (1-1/4in) wide, long stalks, early summer to autumn.
Other features: Roots deep, fragment easily. Twining stems. Perennial.