Schefflera Cuttings Etsy How to Plant and Grow Hens and Chicks Plants Why are my sunflower seeds empty inside? Did I harvest too soon? Plant was really drooping and seeds are black with stripes and huge. My first year growing sunflowers so I want Rock Purslane Cistanthe grandiflora succulent 1' H x 2' 3' W purple flower sun or shade low water use Maybe that's why grass never grew. Read more at the link in the comments 500 Piece Eastern Region Flower Seed Packet Retail POS Corrugated Display Bentley Seeds