anything cheap and cheerful, we never have enough marigolds, nasturtiums, bedding begonia,busy lizzie, sweet peas..we could sell twice as many...lobelia, all the normal stuff, lots of our customers are pensioners and we have several special needs homes near to us, we also do shrubs and cuttings in autumn, this year, we have approx 400 carnations :o
also have hanging baskets, we make most of the money on them..plus, any tomatoes and veggie plants left over get sold..ours is first may bank holiday :)