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Boston Fern Brown Leaf Tips
eco Brown Leaf Tips

Boston Fern – Brown Leaf Tips

Why does your Boston Fern have brown leaf tips? Diagnose the cause and fix it with our step-by-step guide.

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Jump to cause: Low Humidity Underwatering Salt/Mineral Buildup Fungal Leaf Spot (e.g., Phytophthora)

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Low Humidity

Boston Ferns are tropical plants that require high humidity levels; when the air is too dry, the delicate frond tips dehydrate and turn brown.

Very Common
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How to confirm: Check if you are using a humidifier or if the plant is located near heating vents/air conditioning.
build How to fix it
shopping_cart Recommended Products
1 Increase local humidity by placing the plant on a pebble tray filled with water or using a humidifier nearby.
Bleuhome 6-Pack 6in Plant Saucers Black
Bleuhome 6-Pack 6in Plant Saucers Black
Pot Saucers
$6
In Stock
2 Regularly mist the fronds with a fine mist spray to provide immediate moisture to the leaves.
Flora Premium Plant Mister
Flora Premium Plant Mister
Spray Bottles
$12
In Stock
3 Trim away the dead, brown tips with clean scissors to prevent further dehydration of the healthy foliage.
Fiskars 5/8" Bypass Pruning Shears
Fiskars 5/8" Bypass Pruning Shears
Cutting Tools
$13
In Stock
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Underwatering

Inconsistent moisture levels cause the fronds to dry out, specifically starting at the tips of the most mature leaves.

Very Common
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How to confirm: Feel the soil surface; if it is bone dry several inches deep, the plant needs more frequent watering.
build How to fix it
shopping_cart Recommended Products
1 Check the soil moisture level immediately using a moisture meter to ensure the root ball is not completely desiccated.
GROWIT Soil Moisture Meter - Blue
GROWIT Soil Moisture Meter - Blue
Water Meters
$12
In Stock
2 Increase watering frequency to maintain consistent moisture, ensuring the soil stays damp but not waterlogged.
Chapin 48000 0.5G Watering Can
Chapin 48000 0.5G Watering Can
2.3 L • Recycled Plastic
$12
In Stock
3 Place a pebble tray or use a mister to increase local humidity around the fronds, which helps prevent further tip drying.
Flora Premium Plant Mister
Flora Premium Plant Mister
Spray Bottles
$12
In Stock
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Salt/Mineral Buildup

Accumulation of salts from tap water or excessive fertilizers can burn the sensitive edges of the fern's foliage.

Common
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How to confirm: Look for a white, crusty residue on the soil surface or the edges of the pot.
build How to fix it
shopping_cart Recommended Products
1 Flush the soil thoroughly with distilled or rainwater to leach out accumulated mineral salts and prevent further tip burn.
2 Prune away the dead, brown leaf tips using clean, sharp shears to improve the plant's appearance.
Fiskars 5/8" Bypass Pruning Shears
Fiskars 5/8" Bypass Pruning Shears
Cutting Tools
$13
In Stock
3 Switch to using a high-quality liquid fertilizer at a diluted strength and monitor soil moisture levels to prevent future salt accumulation.
FoxFarm Bush Doctor Kelp Me Kelp You Liquid Seaweed Fertilizer 1 Quart
FoxFarm Bush Doctor Kelp Me Kelp You Liquid Seaweed Fertilizer 1 Quart
0.9 L • 1 pcs
$32
In Stock
warning

Fungal Leaf Spot (e.g., Phytophthora)

Excessive moisture trapped in the center of the crown can lead to fungal pathogens that manifest as browning or dark spots on fronds.

Common
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How to confirm: Inspect the base of the fronds for any signs of dark, mushy decay or unusual spotting patterns.
build How to fix it
shopping_cart Recommended Products
1 Prune away any heavily spotted or dead fronds using sterilized shears to prevent the fungus from spreading to healthy tissue.
2 Apply a fungicide to the affected areas and ensure better airflow around the crown to prevent moisture from being trapped.
Bonide Captain Jack's Copper Fungicide 32 oz
Bonide Captain Jack's Copper Fungicide 32 oz
0.9 L • 1 pcs • Organic
$12
In Stock
3 Adjust your watering routine to avoid getting water in the center of the plant, and use a moisture meter to ensure the soil is not staying overly saturated.
GROWIT Soil Moisture Meter - Blue
GROWIT Soil Moisture Meter - Blue
Water Meters
$12
In Stock

Other Boston Fern problems

Your plant might also be experiencing one of these issues:

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