As we get closer to spring, your over-wintered house plants may not look as good as they did last fall. There are several indoor conditions and management practices that can take a toll on house plant quality. Root rot is probably the most common plant problem indoors and is associated with overwatering. Heavy soils that drain slowly, as well as growing containers without drain holes lead to the problem. Repot into a container with holes in the bottom using a light-textured growing medium to correct this problem.
Nutrient deficiencies can occur and appear as light or pale green foliage.
This is an indication of low nitrogen levels. Phosphorus deficiency is difficult to determine in house plants. Low potash levels may cause browning and dying of the leaf margins. Fertilizer applications every one to two months during the growing season, according to product directions, should reduce the risk of nutrient deficiency. Group plants together or place them in shallow, pebble-filled trays that are filled with water.