Seemingly darker coloured poppy seeds are the ones to go for. I've received some seeds that are entirely untreated, They may be pretty black. Not gray/blueish like the ones within the supermarkets. I'll be trying some organic sources soon. This was in Australia so really should be appropriate, but as https://natural-home-decor-ideas24444.designertoblog.com/63343340/a-secret-weapon-for-natural-home-decor-ideas