It does look like a Poppy (Papaver). Can you tell us where it's growing, state, country? Do you by chance have a photo of the leaves that you can share? Check out these two already mentioned for comparison: Field Poppy (Papaver rhoeas) Opium Poppy (Papaver somniferum)
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!