Courgette One Ball is an unusual round, bright yellow courgette that is a very easy to grow. It produces lots of uniform fruits on a compact plant from early July to October.This compact variety does not sprawl all over the veg plot like some courgette plants and as the leaves are held upright on the plants finding the courgette.Yellow courgettes have a slightly sweeter flavor than green ones and usually need a little less cooking as they have a thinner skin but they make an attractive combination when mixed with other colored courgettes on a dinner plate.