Marathon Produces Medium Sized, Uniform, Dense Heads Of Bluish-green beads On Sturdy Plants That Will Grow Well In Almost Any Soil & Under Any Conditions.plants Despatched Late June For Cutting Late August Onwards.calabrese Has A Flavour That Some Find A Little Milder Than Sprouting Broccoli. Add To That A Shorter Growing Season & It Makes An Ideal Vegetable For Those Who Like Quicker Results.just Like Sprouting Broccoli, This ‘superfood Is Packed Full Of Cancer-fighting Properties, Vitamins, Iron & Other Health-giving Benefits. like All Young Brassicas, It Is Advisable To Use Netting Or Bird Scarers When Planting Out To Avoid Damage From Pigeons.