its probably from a lack of phosphate or nitrogen... unless you have your light too close to cause the yellow and curling. otherwise i'd say it would be a lack of some sort of nutrient
Deepsuthern Reviewed by Deepsuthern on . Need to know what my problem is, leaves are curling and turning yellow, brown, & red :( i am not sure what is the problem, it is in its 7th week. Rating: 5