Urban Jungle - Houseplants, Succulents, Cacti & More: Perfect for Embroidery, Painting, Wearable Art & General Crafts. A pocket-sized book filled with 50 whimsical houseplant illustrations from well-known designer Mara Penny are now available as iron-on transfers. Choose from an assortment of hanging plants, potted flowers, succulents, and cacti--just iron-on.