Plant Portraits Books has just released a series of beautiful eco-friendly A6 greetings cards of Sunflowers (Helianthus annuus) and Marigolds (Calendula officinalis). The cards are blank inside for your message. Currently available exclusively from Serpentina Homeopathic Books. https://www.serpentinabooks.com/cards-and-gift-vouchers-39-c.asp Details: Printed on 85-100% recycled paper, each card comes with a 100% recycled Kraft brown envelope, inside…