If you are going to let them get 24 inches before flowering , you better go 5 GALLON.
Garden Knowm Reviewed by Garden Knowm on . 3 gallon or 5 Gallon containers? How big can I grow in a 3 gallon container vs a 5 gallon container.. I really dont want to waste all this grow medium, if I dont have to. I am going to veg until like 18-24" and then flower for as long as I need 50-60 days.. Rating: 5