I also live in Florida... what a winter! BUT I have had 5 females survive and I am almost ready for harvest.
Here's my point:
ALL the seeds are from the same germination. 1 plant I planted in a pot all by herself with a nice bag of organic compost mixed in with the soil. The others are in plain potting soil. ALL of them had liquid fertilizer in the water during the Veg state. But NOW, the one alone in the organic soil mix is purple, while the others are bright green.
Different plant? Nope. Different soil conditions.