5. Don’t Drown Your Plants
Don’t over-water your plants. Make sure that you thoroughly soak the entire container each time you water, but pour away any extra water that fills the saucer underneath the container. Making the plant sit in water encourages root rot. Since the signs of rot include wilting, many people think that the plant needs more water, which does even more damage. If you’re not sure whether the wilting is from too much or too little water, gently pull the plant up out of the container. If the roots are brown and slimy, it’s root rot. Water it less.
On the other hand, exposed balconies in high-rises can get extremely hot and dry from sunlight reflected off other structures. Under these conditions, you may need to water your plants every day.