This grower is sure of this plant identification.
I have loads of fresh seeds from last year, various colours, the usual pale purple through to bright pink.
Opium poppy, Pepperbox, White poppy, Poppy
Papaver somniferum (Opium poppy). This hardy annual species is highly ornamental and will produce deep purple and red blooms. The fruits and sap are poisonous.
They are fully to frost hardy and will prefer little or no shade with deep, moist, well-drained soil. You should sow the seed in spring or autumn.
Ornamental, culinary, dried arrangements