Can grapes be grown in a 8 gallon pot?

I just got a pot from Home Depot today that's 8 gallons, it's pretty big, and I was wondering if I could grow grapes in it. A trellis would probably fit, I'm pretty sure. But I don't know if the pot needs to be bigger, does it or is it a good size for grapes? And if I can't grow grapes in it... show more I just got a pot from Home Depot today that's 8 gallons, it's pretty big, and I was wondering if I could grow grapes in it. A trellis would probably fit, I'm pretty sure. But I don't know if the pot needs to be bigger, does it or is it a good size for grapes? And if I can't grow grapes in it what else could I grow in it?
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