Sow These Marrow Seeds And See Who Can Grow The Biggest Stripy Zebra Marrow. Delicious To Eat Too! You Can Sow Seeds Point Down And 1cm 12in Deep In Little Pots Of Seed Compost Indoors From April. When Plants Are A Few Centimetres Tall Stand Outside To Get Used To Outdoor Conditions Before Planting Out. Plant 90cm 36in Apart. Keep Them Well Watered. harvest August September
