ZONES 3 - 10. HEIGHT - 18" - 24". SPREAD - 16" - 18". ZINNIAS ARE VERY EASY TO GROW FROM SEED, THEY TOLERATE DROUGHT, GROW WELL IN POOR SOIL, AND BLOOM PROFUSELY UNTIL FROST. IN WARMER CLIMATES ZINNIAS WILL RE-SEED THEMSELVES AND YOU'LL GET ANOTHER CROP THE NEXT YEAR. TO GET A JUMP ON YOUR GARDENING, YOU CAN PLANT ZINNIA SEEDS INDOORS ABOUT 6 TO 8 WEEKS BEFORE THE LAST FROST IN YOUR AREA, AND THEN TRANSPLANT THEM OUTSIDE AFTER ALL CHANCE OF FROST IS PAST. PLANT ZINNIA SEEDS IN SUN OR PARTIAL SHADE. PICK THE DEAD BLOOMS OFF, AND THEY WILL PRODUCE EVEN MORE BUDS. Please message me with any problems I am sure we can work it out! Just take a minute, send me a message and I am sure I can make you happy. I am very nice and try my hardest to treat my buyers the way I would like to be treated. Thank You, Syukur