Buy Flowers › Calendula officinalis 'Erfurter' - 6-Pack Calendula officinalis 'Erfurter' - 6-Pack $9.25 Orange Zinger, double full orange flower with high resin content- best for medicinal uses- 20" tall, sun, part shade Add To Cart Added! Orange Zinger, double full orange flower with high resin content- best for medicinal uses- 20" tall, sun, part shade