How to Prune common poppy?
No pruning required

common poppy · Papaver rhoeas
Also known as: African rose; blind-eyes; blue-eyes; cheese couls; cheese cowl; cock rose; cop rose; coppper rose; corn poppy; field poppy; Flanders poppy; headaches; prophetic leaf; red cornflower; red poppy; redweed; Shirley poppy; wind rose; canker; canker rose; corn rose; cornflower; headache plant; thunder flower
Grow in any well-drained fertile soil in full sun
No pruning required