Canna Coco is for use with coco coir or coconut growing media in pots or bags. It is a two part nutrient. It contains natural chelates, humic-acids and fulvinic-acids through which the plant can optimally absorb all nutrient. Canna Coco is for both vegetative and flowering. Simply increase the amount of Canna Coco Nutrient during the bloom stage and add Canna PK 13-14 at the onset of flowering.