How to Troubleshoot Yellow Leaves on an Orchid

Orchids lend a tropical atmosphere to any room where they are grown. Dr. Leonard Perry from the University of Vermont Extension suggests that beginning orchid growers should start with an established plant since seedlings may take up to five years to bloom. Exact care for your orchid will depend on which of the 25,000 species you select. However, if your orchid's leaves are yellowing, there are a few things to look for and amend for the proper health of your plant.

Orchid fertilizer
Mister

Instructions

- 1
  Keep orchids out of direct sunlight during the hottest parts of the day, generally from 11 a.m. to 3 p.m. If your orchid gets overheated, it may yellow and burn.
- 2
  Water the plant with tepid water only. If the water is too cold it may shock the plant and cause leaves to yellow and drop off.
- 3
  Ensure that the orchid is not in a drafty location. Cold air from an air conditioner vent or an open window may shock the plant and cause yellowing leaves.
- 4
  Use a fertilizer specifically balanced for orchids. Fertilizers too high in phosphorus --- the middle number in the fertilizer ratio --- may case leaves to yellow. Although yellow spotted leaves or leaves completely yellow won't go back to a normal green color with the correct fertilizer, it will prevent future leaf spotting and correct future leaf growth. Consult the fertilizer product packaging for the specific quantities and frequency of fertilizer for your orchids.
- 5
  Ensure that orchids are dry before nightfall. Although you can mist around the plants with water, avoid drenching the leaves. If too much moisture accumulates on the leaves or near the crown, the plant will rot.

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