I planted the seeds about a week ago, and I've been using 20-20-20 nutrients with an indoor grow setup and blueberry/C99 seeds, but the tips of the leaves have been curling since they sprouted.

And as you can see from the pictures there's no browning or any other sign of deficiency, but what is this curling -- does anyone know? Thanks.
tybeet Reviewed by tybeet on . Leaf Tip Curl? w/ pics I planted the seeds about a week ago, and I've been using 20-20-20 nutrients with an indoor grow setup and blueberry/C99 seeds, but the tips of the leaves have been curling since they sprouted. And as you can see from the pictures there's no browning or any other sign of deficiency, but what is this curling -- does anyone know? Thanks. Rating: 5