Green sprouting broccoli. 
Will produce  a harvestable crop for several months, once the main  head is removed the plants will produce side shoots until late in the year.
 As it is non uniform in maturity it will produce over a long period, this variety is the best tasting, full of  vitamins, A ,C and K, potassium, phosphorus  etc.
Sold as seedlings per 1/2 seed tray.