Tree Spinach Seeds Create beautiful eye-catching columns of height in your garden Tree spinach has eye-catching bright magenta with almost sparkly growing tips. Spinach plants can grow up to 2m tall, hence the name Tree spinach. This vigorous plant can be harvested as a cut and come again leaf from 25cm tall. Easy to grow, adds columns of height and colour to the veg garden. Producing large magenta spinach leaves, they are tastiest when they are young. Young leaves can be used fresh in salads and larger ones can be harvested and used like spinach. Spinach provides us with an essential source of vitamins and minerals that are key for a healthy diet and lifestyle. Plants are also related to quinoa, so when they flower and go to seed in August-October, the grains can be dried and saved for baking.