Are dark spots on ZZ plants normal or a sign of a problem? Agave Plants Often Called Century Plants with Their Rosette Form Down here, Before I plant (direct sow) my zinnia seeds outside I always do these three things! And dont worry they dont take much time at all, 1. First up: patience is key! Waiting until my last DIY Succulent Wedding Favors Happy Happy Nester 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