Yellowing

Overwatering: wet roots that can’t get air Drooping or yellowing leaves on a pot that still feels heavy usually mean the roots are too wet. Don't water or feed… Underwatering: a light pot and a limp plant A limp plant in a pot that feels very light probably just needs water. Water it slowly until the whole pot is… Light burn: bleached leaves closest to the lamp Pale or bleached leaves at the very top of the plant, closest to the light, may mean too much light or heat.… Nutrient burn: brown tips and edges from too much feed Brown, crispy tips or edges after a stronger feed may be nutrient burn, but other problems look the same. Test before you… Aphids: clusters and sticky leaves Clusters of small soft insects on stems and under leaves, often with sticky or shiny residue, mean aphids. They can be knocked… Whiteflies: a white cloud when you shake the plant Tiny white insects that fly up when you water or brush the plant are whiteflies. Keep a yellow sticky card nearby and… Spider mites: pale speckles, then webbing Fine pale speckles on the leaves, with tiny moving dots or webbing underneath, point to spider mites. Check the underside of a… Root rot: brown roots and a plant that keeps declining Wilting or stunting that watering and feeding don't fix, with brown or decaying roots, points to root rot. Check the roots before… Yellowing lower leaves: what it is, and when it’s nothing Before anything else: if you're six or more weeks into flower and it's only the bottom leaves, this is probably normal. Natural senescence: when yellowing leaves are supposed to happen Late in flower, your plant starts dismantling its own fan leaves on purpose.