Climate

• Artillery plant is a South American native that can only be grown outdoors in U.S. Department of Agriculture hardiness zones 10 through 11. It does well indoors.
  
  

Lighting and Temperature

• Provide indoor artillery plants with bright light from an east- or west-facing window and temperatures of 60 to 75 degrees Fahrenheit. Keep plants away from heating and air-conditioning ducts. Grow artillery plant outdoors in shade to partial sun.
  
  

Soil Requirements

• Artillery plants grown outdoors do well in a variety of soils, from clay to loam. Indoor plants require a rich, well-draining potting soil.
  
  

Watering and Fertilizing

• Keep artillery plant evenly moist but not soggy. Water when the soil surface is dry. Feed plants weekly in spring and summer and monthly in fall and winter with a well-balanced, water-soluble plant food.
  
  

Pruning

• Pinch back new growth tips monthly to keep the artillery plant bushy.