"Charlie S." expounded:

Bought a two annual type sunflower plants at a local garden shop. They are
10" -12" in height. The top flowers have blossomed and now have shriveled
up. My sister spoke with someone who knew about flowers and they told her
that I should cut off the top flower(s) once they get this way to let others
grow in. Is this what I should do?


Absolutely. There are latent buds in the leaf joints, you'll get many
smaller flowers if you deadhead.
--
Ann, gardening in Zone 6a
South of Boston, Massachusetts
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