7-14 days
 
Facts:
Buckwheat greens are delicate and pale green with a tangy flavor. They make and excellent snack and your kids will even try to sneak them! Cases of severe allergic reactions to buckwheat and buckwheat-containing products have been reported. Buckwheat contains fluorescent phototoxic fagopyrins, which can cause fagopyrism in people with diets based on high consumption of buckwheat sprouts, flowers, or fagopyrin-rich buckwheat extracts.