The farm is open on Sunday September 26th from 9am - 6pm for Apple picking. Not sure about corn. I would call them direct for more details
I know they had big stalks for sale but don't know about if you can actually pick it yourself there.I think the apple picking is all day from the time they open until maybe 15-30 minutes before they close.The hayride comes like every 15mins to pick up&drop off.
I don't have any answer for you your best bet would be to call them directly
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