Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to care for indoor plants [title] Keep potting soil moist, but not wet. [step] If your soil is either too dry or over watered, it can damage the plant's roots and prevent the plant from growing. In some cases under or over watering your plant can also kill it.

Ending1: You can buy potting soil at most nurseries or garden stores. It may look like sand, but it is extremely acidic and particularly challenging for plants to grow on. Ending2: [title] Fertilize twice a month. [step] Maintaining a ph balance is key to lush, well-situated indoor plants. Ending3: You can shorten flowering plants' blooming times by misting yourself or offering garden water in an overhead mist bottle. [title] Plant indoor plants in clean, well-drained soil. Ending4: Plants with lush, thick leaves require more water than plants with waxy or leathery leaves. There is no specific frequency that works for all indoor plants.

Answer format: ending1/ending2/ending3/ending4