High Altitude, Low Humidity Plant Struggles: It's Not the Air—It's Light & Water

Moving from Iowa to Colorado: Why Your Plants Are Suffering

Karrie moved to CO (high altitude, 11–50% humidity). Plants protesting/dying: Anthuriums, Peace Lilies, Wandering Jew, Pothos, Philodendron, Aloe, Arboricola, Asparagus Fern, Snake Plant, Orchids, Dracaenas. Only Lucky Bamboo in betta tanks okay.

Expert Diagnosis from Will Creed (Part 1)

Altitude/humidity are NOT the main issue. Real culprits:

• Move trauma: Heat, darkness, jostling in truck.
• Light change: Even subtle shifts cause leaf drop/acclimation (months). Duplicate IA light as much as possible.
• Watering routine must change: New light/temp/humidity = new water needs.
• Water quality: Hard/alkaline tap water? Switch to filtered/distilled.
• Good time to prune leggy growth; promotes new adapted growth.
• NO repotting or fertilizing—adds stress.

Follow-Up: Humidity Solutions (Part 2)

• Misting = ineffective.
• Pebble trays = moderately effective.
• Humidifiers = most effective.
• But: Only orchids on her list need high humidity. Iowa winter homes are drier than CO—plants that survived IA winters will survive CO.

For more help, contact Will at wcreed@HorticulturalHelp.com or HorticulturalHelp.com.