Runner beans: the best buys White Lady A previous best buy, the white-ﬂowered 'White Lady" gave the heaviest crop of all, peaking in early September. The pods were long, very pale green and a little hard to spot among the dense foliage of these vigorous plants. As with all white-ﬂowered varieties, the seeds are white, too. Yield per plant 0.9kg Where to buy Widely available