I know a lot of you out there use those 18oz Party Cups for your starter.

How long do you recommend keeping them in a cup that size before transplanting?

Is there a way to tell if the plant is rootbound?
jackforest Reviewed by jackforest on . 18 Oz Party Cup Veg I know a lot of you out there use those 18oz Party Cups for your starter. How long do you recommend keeping them in a cup that size before transplanting? Is there a way to tell if the plant is rootbound? Rating: 5