New Zealand spinach is a perennial grown as a warm-weather annual. Sow New Zealand spinach in the garden about the date of the average last frost in spring or later. It can be started indoors 2 to 3 weeks before the last frost in spring for later transplanting.
http://www.taipeitimes.com/News/feat/archives/2017/05/13/2003670477
Le journal du peintre 2 