Broccoli Plants - F1 Stromboli Serve up a plate of winter wellness. The ‘Stormboli’ broccoli plants are an extremely productive variety that will provide you with dark green florets to harvest March - April next year. There’s nothing more satisfying than serving up a plate of winter wellness from your own garden. These broccoli plants will give you just that. The dark green colour of the Stormboli makes these a lovely veg for adding a bit of colour to mealtimes, and they’re resistant to ‘blindness’. A great addition to beds and borders. To find out more, discover the ‘Broccoli Growing Guide’