My fennel plants have hosted many yellow swallowtail caterpillars this year, but now they are bolting and it's time to cut them down. But first, should I harvest the pollen? Has anyone else done this? If so, do you just shake the flowers into a bag? Is it worth it or am I better off waiting for seeds? Also, does anyone know if the pollen and seed from bronze fennel is inferior to green? I know the fronds don't taste quite the same and the plants don't form bulbs -- that's why I ask. Thanks.