WHAT DOES AUSTRIAN POPPY SEED CAKE MEAN?

Evidently darker colored poppy seeds are those to Choose. I have acquired some seeds which can be fully untreated, They can be quite black. Not grey/blueish like the ones within the supermarkets. I'll be trying some natural and organic resources soon.I've a bucket of soil which i threw a handful in an I’ll find out if just about anything sprouts