I noticed some purple/blue marks on leafs of my seedling. Yesterday I left it outside for too long and it was colder than 15°C (but not colder than 10°C) for around 3 hours before I put them inside. Did that affect it?
yo buddy ....yes it could be a bit....
but don't worry.... she's till alive....💪 and may she be could a great experience/surprise at the end of your grow !! if u take more care about her 😠 😜
keep us in touch ! happy growing mate