How do I germinate columbine seeds?

I have purchased a columbine plant that flowered beautifully and I deliberately let it go to seed. I want to grow new plants, both for my fire escape garden in New York City and for my mother's back yard in the suburbs. I have collected the seeds in an envelope. Now what? Thanks for your help.

Answers:
Mix one-third potting soil, one-third sand, and one-third peat moss, on a humidity tray and keep moist with drainage, do not allow to stand in water, and if possible cover pot or seed tray with plastic wrap, A very good spot to keep the tray or pot is on top of your clothes dryer, for extra humidity.

Other answers:
put them in water first u will start to see them grow soon
put them in water first u will start to see them grow soon
I have collected wild columbine seeds from along the road sides here, and merely scattered them over the area I wished to see flower. I collect the seeds when they're black, and their pods have opened, and sow them in the fall, to late fall.
Perhaps store bought columbine seeds would do the same?
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