Location

• Carnations can grow in flower gardens, rock gardens, or flower pots. They reach 18 to 24 inches tall.
  
  

Sunlight

• Carnations should be exposed to approximately 4 to 5 hours of sunlight each day.
  
  

Water

• Do not overwater carnations; this can cause yellow foliage. Water carnations after you plant them and then approximately once a week.
  
  

Spacing

• Air circulation is critical to carnations. Plant carnations 10 to 12 inches apart, and do not use mulch.
  
  

Temperature

• Carnations grow best in temperatures ranging from 50 to 59 degrees F during the day and and 41 to 46 degrees F at night.
  
  

Disease

• Overwatering and overcrowding can lead to diseases like leaf spot, root rot and powdery mildew.