Indigo Masterclass 3 Japan Harnessing the power of nature and time the dried and harvested indigo leaves are fermented. The mound of fermenting indigo was hot under my touch and smelt earthy like healthy compost. This ancient Sukumo process produces the most mesmerising deep indigo blue. The vat I used for my first indigo dyeing experience was last year’s harvest. I’m already hooked on this slow and intentional method of dyeing and I can’t wait to share my first finished fabric piece. . . . #ind