If it has six gates you will need anything between ten and twelve depending what size you Fuchsias are be careful what varieties you plant some are a lot more vigorous than others and your basket can look unbalanced it is some times better to use the same variety for the whole basket.

You don't say if they are trailing or upright varieties,Bobbler..which would make a difference to your display..If you have bought these , you should have a label,stating,how far apart to plant them, and the height..also,does Giant,refer to the size of the Fuchsias,or the size of the flower? if you could give a bit more info,that would help .and welcome to Goy..