University of Maryland Extension

Nutrient Deficiency - Houseplants

orchid nutrient deficiency

  • Symptoms of nutrient deficiency include yellow leaves and poor growth.
  • Iron chlorosis (leaf yellowing with green veins) is the most common nutrient deficiency. Acid-loving houseplants like gardenias are prone to this.
  • The remedy is applying a chelated iron product according to the label directions and acidifying the soil using a sulphur product. Look for a product labeled for houseplants or potted plants.  
  • Fertilizing houseplants.
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