The time to start harvesting broccoli rabe comes when the plants reach at least 8-12 inches tall. Amy Enfield, senior horticulturist at ScottsMiracle-Gro, recommends harvesting when the flower ...

sometimes with small yellow flowers scattered throughout (which are completely edible). Some say the flavor is reminiscent of both regular broccoli and broccoli rabe combined, which makes gai lan ...