How to collect Zinnia flower seeds

How to collect Zinnia flower seeds so you can have them to plant for the next year.
find the flowers that are dried out and have some brown petals.
Start pulling off the petals.
You"ll see that there are what looks almost like an arrow head on the end. those arrow heads are the seeds that you will harvest.
Dry the seeds out and keep them in a cool dry place.
Replant them in the spring.