Perennial zones 4-9 20-24" tall, space 12" apart full/part sun, average water blooms June through September surface sow no more than 1/16" deep All of our seeds have been hand processed, packaged and tested for germination rates. We cannot guarantee the rate of germination will match what we have tested at due to individual growing environments. Please message me with any problems before leaving negative feedback, 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