Side shoots form tiny heads of broccoli you can harvest for at least a month.
Ask Gardenerd: Saving Broccolini Seeds
This terrific question came in from an inquiring mind this week: "Last spring I had a very tasty crop of Broccolini. I was impressed enough to save seeds at the end of the season. I've since learned that Broccolini is a cross between Italian Broccoli and Chinese Broccoli (a form of Kale). Was my seed saving a waste of time? If I try and plant these seeds, will they revert to one of the two parent plants? - Ed Callahan"…