CrazyLady wrote:
echinosum;941355 Wrote:
Not necessarily mislabelled. All of the culms of P. nigra shoot green,
and stay green in the year they shoot, at least. Then they mature to
black, usually in the summer of following year, if they are sufficiently
exposed to the sun.

not true here
start green will start turning as it shoots & be completely black by the
end of season
even in areas that get no sun