the purpled stems seem to come and go depending on many things, but seem harmless. my seedlings all start purple, turn green, and then get purple or dark patches periodically throughout growth and flower.

what ferts do you currently use? the yellow is commonly nitrogen related
hybridlove420 Reviewed by hybridlove420 on . Yellowing leaves a problem? Brownish/Purple stems? Well this is about my Romulan mostly. Its leaves have been a yellow green color for as long as I have had it in bloom, approx. 3-4 weeks. I had noticed it's stems and branches turning purple. I did some searching and saw that it was either stress or natural. I water just as I do the rest of my plants and the pot size is adequate. As faras the leaves, some are starting to curl and fall off, i was thinkin it may be lack of phosphate, but I want to be sure what's going on. Hope to hear what the Rating: 5