Flower QUINOA £1.50 Quantity: at £1.50 each Add To Basket Chenopodium quinoa Quinoa is a Bolivian cereal but also a very attractive plant in flower gardens. Forms green plumes of seeds which turn red in autumn. Height: 120 cm. Sowing instructions: Sow in April in situ. Germination is rapid. Thin the plants to 10 cm spacing.