Hmm, it could be. The plant might not be getting enough nitrogen. What's the Ph of the water your feeding your plants? It's most likely a nute deficiency. Try just feeding the plant with Ph 6.8 water if you aren't already.

Good Luck, Hope the problem isn't that serious
BizzyStick Reviewed by BizzyStick on . Is this normal? ok i have a two and a half week old plant and the new leaves coming out of the top are kinda yellow. is this normal Rating: 5