One thing I like to do with Black Eyed Susans. I don't dead head the flowers in fall, I let the birds come and eat the seeds. It's nice to see the birds and they seem to spread the seeds better than if I throw the dead flowers back into the bed.
Best to ask your Dad for a few plants to transplant. They multiply quickly. When you dead head them, throw the dead flowers in the bed and they will propagate themselves the following year.
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