Don't allow soil to be totally dry between waterings. Foliage plants grow best where the soil is moist but not continually watered.
Plant them in soil that has a high level of peat moss.
When the plant top outgrows the pot, repot.
Applying fertilizer about 4 times a year will do.
Shape it into many different model like this one http://funadvice.com/r/14uljj98cfn