AROUND THIS TIME OF SUMMER everyone wants to know why their cucumbers are misshapen or bitter (or absent!), or their zucchini has lots of flowers, but no courgettes…yet. This story provides the answers. (Tomatoes can likewise be elusive when weather is brutal.) For those lucky ones with a glut of cukes and zukes, that link also includes tips on putting up the harvest–and a recipe for the best refrigerator pickles ever.