top view of a dying sansevieria (snake plant) with rotting signs in a pot

sansevieria snake plant dying rotting rot top view houseplant care indoor disease health root yellow leaves brown wilting decay gardening problem succulent leaf discoloration overwatering symptoms diagnosis garden troubleshooting sick issues roots treatment problems tips home identification soil rescue recovery maintenance advice survival yellowing foliage signs mushy spots overwatered foul smell potting mix troubles diseases preventing saving plants reviving houseplants watering mistakes