brown tips on Anthurium
Quick answer
If your Anthurium has brown tips, the most likely cause is: Anthurium brown leaf tips result from low humidity-induced cellular desiccation at leaf margins, compounded by hard water mineral deposits (fluoride, salts) from tap water. The hydathode pores at leaf tips and margins are particularly vulnerable to fluoride toxicity — even low concentrations cause necrosis in Anthurium's thin, hydrophilic leaf tissue. This is distinct from overwatering (which causes base-to-tip yellowing) or direct sun burn (which creates bleached patches, not tip browning).
Start here:
- 1. Switch to filtered or distilled water immediately — fluoride and chlorine cause tip necrosis in Anthurium
- 2. Increase ambient humidity to 60-80% using humidifier within 3 feet of plant
Why Anthurium gets brown tips
Anthurium spp.
Anthurium brown leaf tips result from low humidity-induced cellular desiccation at leaf margins, compounded by hard water mineral deposits (fluoride, salts) from tap water. The hydathode pores at leaf tips and margins are particularly vulnerable to fluoride toxicity — even low concentrations cause necrosis in Anthurium's thin, hydrophilic leaf tissue. This is distinct from overwatering (which causes base-to-tip yellowing) or direct sun burn (which creates bleached patches, not tip browning).
How to reverse brown tips on Anthurium
- 1
Switch to filtered or distilled water immediately — fluoride and chlorine cause tip necrosis in Anthurium
- 2
Increase ambient humidity to 60-80% using humidifier within 3 feet of plant
- 3
Flush soil thoroughly with clean water monthly to leach accumulated salts and minerals
- 4
Trim brown tips with sterile scissors at 45° angle — do not cut into green tissue
- 5
Avoid fertilizer for 4-6 weeks if over-fertilization suspected; then resume at 1/4 strength only
- 6
Monitor new growth: if tips remain brown but leaves are healthy, humidity is still too low — raise to 70%+
Keep brown tips off this Anthurium
Use only filtered, distilled, or rainwater for all watering and leaf care; maintain 60-80% RH consistently; avoid over-fertilization which concentrates salts in leaf tips; flush soil monthly with clean water to prevent mineral buildup.