april,,and may are my planting time,
im in wv,
i try to start some indoor under floro's in feb,and march,sex a few sometimes
even clone a lil for the hell of it
but
outdoor on eastcoast,get your plants in the ground at least by june so by july they have some size and the males will have show clearly and can be taken out if ya dont want any seeds
good luck

check this site out
www.almanac.com