Transplanting House Plants Houseplant Care and Advice Transplanting house plants is an often abused practice. It should only be done when the plant is truly potbound. Instead, house plants are often repotted when something is wrong with them. This practice can kill the plant. Humidity For House Plants Houseplant Care and Advice Humidity refers to the amount of moisture in the air.
Some plants are sensitive to low humidity.
Most common house plants, given an otherwise favorable environment, will not be injured by humidity levels found in most homes. Humidity levels will fluctuate during the year. House plants are often infested with mealybugs. These insects appear to be little tufts of cotton on the leaves and stems. They are most common on the undersides of leaves and at the point where a leaf attaches to a stem.