Oxalis tuberosa

Five month growing season

Can cope with frosts at the end of the season

Store in a cool dry place

Soil – free draining,  Moist, not sodden

Water deeply every 10 days in dry conditions

Plant to a depth of 6 – 8 cm

Mound as with potatoes

Tubers put in the most growth in the last 6-8 weeks

Harvest late May

Leave yams out for a day or two (in fine weather) before storing