Why is my cola turning purple?

[tony420murphy]

hey guys at the end of harvest and my buds just started turing purple on the cola and thats it, why would this be? sorry guys wish i had pics but no camera pretty lame thanks

 

[tony420murphy]

ha yea i am very happy with this grow but thanks for the info as long as nothing is wrong then i am all the more happier

 

[Boss]

How are your cold temps? How low? It's on the buds, or on the leaves?

 

[tony420murphy]

the temp doest fall below 69, is that getting to cold you think? its on the bottom of the leaves and just on the main cola for the most part.

 

[tony420murphy]

it was a seed i got out of some white widow

 

[Boss]

Probably strain