The buyer does not know who grew the flowers and the growers do not know who will buy them, so it is nearly impossible to manipulate prices. After winning the bid, the buyer then uses his mike to tell FSC personnel how much he / she wants to buy.
而且，在拍賣進行時，買主不知是那位花農的產品、花農也不知其產品會由那位標得。「在這樣的情況下，想控制或影響拍賣價格，幾乎不可能」，花卉協會理事長杜斯柏格說：「所有的價格都由市場供需決定。」