No it is not. The definition of marihuana includes the seed and it is illegal to posses it in NY.
NY Public Health Law § 3302 (21). "Marihuana" means all parts of the plant of the genus Cannabis,
whether growing or not; the seeds thereof; the resin extracted from any
part of the plant; and every compound, manufacture, salt, derivative,
mixture, or preparation of the plant, its seeds or resin. It does not
include the mature stalks of the plant, fiber produced from the stalks,
oil or cake made from the seeds of the plant, any other compound,
manufacture, salt, derivative, mixture, or preparation of the mature
stalks (except the resin extracted therefrom), fiber, oil, or cake, or
the sterilized seed of the plant which is incapable of germination.
NY Penal Code § 221.05 Unlawful possession of marihuana.
A person is guilty of unlawful possession of marihuana when he
knowingly and unlawfully possesses marihuana.
Unlawful possession of marihuana is a violation punishable only by a
fine of not more than one hundred dollars. However, where the defendant
has previously been convicted of an offense defined in this article or
article 220 of this chapter, committed within the three years
immediately preceding such violation, it shall be punishable (a) only by
a fine of not more than two hundred dollars, if the defendant was
previously convicted of one such offense committed during such period,
and (b) by a fine of not more than two hundred fifty dollars or a term
of imprisonment not in excess of fifteen days or both, if the defendant
was previously convicted of two such offenses committed during such