this is some plants/leaves you can feed them:
rose petals, dandelions, dahlias, hibiscus, nasturtiums, alfalfa, astible, baby tears, basil - leaves & flowers , Chinese lantern - flowers, Carnations - petals, Chamomile, English, Clover, Day lilies, Dracaena, Fennel, Ficus - leaves, Geranium - flowers & leaves, Grape - leaves & fruit, Impatiens, Hollyhock, Lavender, Mint, Oregano, Pansies - flowers, Phlox, Rosemary - leaves & flowers, Spider plant - leaves (sap may irritate) Split leaf philodendron - leaves, Squash flowers, Thyme - leaves & flowers, Yucca - flowers, Wandering Jew - leaves (sap may irritate)