Time to harvest?

View attachment 3387249 View attachment 3387251 View attachment 3387249 View attachment 3387251 View attachment 3387249 View attachment 3387251 Hi need help this is my first grow it is a auto that was ment to flower for 6weeks, it's now 11 weeks in to flower only about 30 cm tall, this week the leaves are turning purple and dying off, Iv been using a Loap to check the But they still look clear, might just be my eyes lol it's hard to tell and see. It's not going to give me much yeald but do you think just harvest now??? Cheers