With out pictures it's a safe guess the plant is just finished up using those leaves. Once a leaf turns yellow or brown and no longer produces chlorophyll you can remove them to improve the airflow.
Zandor Reviewed by Zandor on . newgroweroldsmoker I'm not trying to be a pain in the ass or nothing, BRO! just tryin to get some pointers! Just the very bottom branch's, & fan leaves are turning yellow & falling. plant age. 4 1/2 months old First 10 wks miricale gro 1 tbl. to 1 gal./ every 2 wks./ in between reg. water 1 gal Wheather's been hot 95 to 100's last 4 wks. so I backed off the m.g. for last 4 wks had lots of rain lately Rating: 5