Species Care Bonsai Mirai Full Sun Front Porch Planter Ideas A Blissful Nest 23 of the Best Medium Light Houseplants Gardener's Path These Plants Will Kill Your Fungus Gnat Problem Apartment Therapy Home CCOPC Used coffee grounds can serve as a gentle fertiliser for acid loving plants. Spider plants, Mother in Law's tongue, African violets and ferns respond especially well because the grounds improve soil texture and add slow release