Cs Spray down, which one should i spray?auto blueberry

so imade a batch of collidial silver yesterday.
and im going to be spraying my autoflowering blueberry
just cant decide which one i want to spray down,
Have one thats been flowering for about a month now with LOTS of white little buds,then i have one thats just begun flowering like a week ago.
which one would you spray to get the pollen from??

Thanks in advance!
-Zen

bump............... bump

<?Pollen?>
And this is the plant that will be used with the pollen to make the seeds