In article ,
Newbie Gardener wrote:
All the seed packets seem to say poppies should be sowed where the are to
flower. Is there anyone who has had success sowing them indoors and
transplanting them? I'm scared I wont be able to tell them apart from any
annual weeds that spring up.

Sow them in lines. You'll be able to spot the line when they come
up and that'll tell them apart from the weeds.

Sharon