American flag is a good variety of leek for home gardens as it is fairly easy to grow and produces delicate tasting leeks. American flag leeks produce heavy, tall, wide stalks that sweeten in autumn and winter.
Harvest blanched bulbs when they are about 3-4 cm in diameter, usually about 140 days after planting. Harvest with care as not to damage adjacent bulbs. Immature plants can be harvested throughout the growing season.
Directly sow seeds outside or start indoors and transplant 8-10 weeks after sowing, 15-20 cm deep. Sow seeds 6-12 mm deep, in rows 15 cm apart. Germination: 5-12 days. Sow in Summer/Autumn.
Light Feeder, do not replant onion family on the same spot, but replant with a different group of vegetables.
Mediterranean, Originated around 1870
Cool to temperate
Soil PH preference
The stems, leaves and bulbs are edible
White to pink
Rotate beds to avoid pests and diseases. Pests: Onion maggots, Onion thrips, Slugs. Diseases: Leaf Rot, Leek Rust