Why Is My Spider Plant Browning at the Tips?
Brown crispy leaf tips are a common cosmetic complaint, and Iowa State Extension names low humidity as the most common cause.
Low humidity is the most common cause. Fluoride or chlorine in tap water, salt buildup from fertilizer, and letting plants dry out too long between waterings can also brown leaf tips.
What’s normal for Spider Plant
- Light: Bright indirect
- Water: Dry slightly between
- Pet safety (ASPCA): Cats — non-toxic, Dogs — non-toxic. Verify on ASPCA
Pulled from the full Spider Plant care guide — every spec cited from primary horticultural sources.
Three things to check, in order
- Cause 1
Low humidity
Iowa State Extension calls low humidity the most common reason for brown leaf tips. Humidity in homes is often low, especially in winter.
Fix: Run a humidifier. Group humidity-loving species together. Pebble trays underneath pots also help.
Source: Iowa State Extension — Problems from Improper Environmental Conditions
- Cause 2
Tap water sensitivity
Iowa State Extension notes that chlorine and fluoride in water can brown leaf tips, especially on sensitive species such as spider plant, ti plant, dracaena, prayer plant and calathea.
Fix: Switch to a different water source, such as rainwater or distilled water.
Source: Iowa State Extension — Problems from Improper Environmental Conditions
- Cause 3
Salt buildup from fertilizer
Excess fertilizer salts accumulate in the soil and burn leaf tips. A white crust on the soil or pot rim confirms this.
Fix: Flush the soil with clear water until it runs out of the drainage hole, cut back on fertilizer, and repot in fresh soil if the buildup is severe.
Source: Iowa State Extension — Problems Related to Poor Culture