DMHeights
Growing flowers in dirt
To be honest I wouldn't really worry too much, your plants are around 10 weeks old now, those big old fan leaves are just telling you you're in flower mode
if it's the whole plant I would look into Phosphorous, I believe it yellows along the serrations like that and can also show purple hues
if it's the whole plant I would look into Phosphorous, I believe it yellows along the serrations like that and can also show purple hues