if they are yellowing it could be lack of nitrogen or overwatering.
show pictures
its easier to understand what you need

stick your finger in the dirt up to your knuckle.
if you feel any wetness dont water.
and pick up your pots to see how heavy.
friendowl Reviewed by friendowl on . What causes color change? It may be me but it looks as if some of the leaves are a greenish yeloow color, what can cause this and how often should you be watering your plants? i usually water them when the soil gets dry like a grayish color is this ok? :confused: :confused: :confused: :confused: GrowinGreen23 Rating: 5