It's not too late to start a zinnia bed. Zinnias love the heat and need very little to get going. Clear a patch, evenly spread the seeds and stomp them into the ground. Water and wait. No thinning Tall Garden Pot Set of 3 JACKALOPE POTTERY Planting Seeds of Kindness Gardening Tray Insert 18 Cell Perforated Planting Pots Seed Start Fuchsia Seeds Plant World Seeds Growing Annual Plants from Seeds Alabama Cooperative Extension System