11 Signs of an Unhappy Houseplant (and How You Can Help)

Who knew so much could go wrong with a houseplant? Here are 11 of the most common afflictions and their treatments so you can revive your friendly foliage in no time.

Symptom: Spindly Plants, Few Flowers

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Plants Not Flowering

Possible Cause: Poor lighting conditions.

Management: Most indoor plants need an average of 14 hours of sunlight each day. Do an Internet search to find out the proper amount of direct light, indirect light, or shade that your particular plant requires to thrive.

Related: 11 Reasons Your Houseplants Are Dying

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Symptom: Few Flowers, Excessive Foliage

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Too Much Fertilizer

Possible Cause: Too much nitrogen fertilizer.

Management: Most indoor plants need to be fertilized just once a month and even less frequently during colder months. Develop a fertilizing schedule and stick to it.

Related: How to Help Your Houseplants Survive the Winter

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Symptom: Yellowing Leaves

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Yellowing Leaves

Possible Causes: Overwatering, low humidity, poor soil drainage, low temperatures, or pot-bound roots.

Management: If the weather has changed suddenly, make sure that your plant is not in a draft, near a heater, or reacting to an unexpected environmental change. Check that your pot has adequate drainage and that the plant isn't root bound.

Related: 8 Plants Never to Grow Indoors

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Symptom: Scorched Leaves

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Scorched Leaves

Possible Cause: Too much direct sunlight.

Management: Move plant from direct to indirect sunlight, prune the affected leaves, and resume deep, infrequent waterings to promote healthy root growth. Avoid overfertilizing, as this will exacerbate the burn.

Related: 14 Plants That Thrive Even When Temperatures Rise

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Symptom: Brown Leaf Tips

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Brown Leaf Tips

Possible Causes: Too much fertilizer or pesticides, dry soil, low temperature, hot air, accumulated salts, or root rot.

Management: It bears repeating—most indoor plants need to be fertilized only once a month, at most. Stand pots in shallow, pebble-lined trays that are filled with water to increase humidity (pots should sit on the pebbles, above the water line). Once a month, apply enough water to the top of the soil to thoroughly flush excess salts through the drainage hole.

Related: 7 Ways to Buy Yourself a Green Thumb for Under $40

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Symptom: Small Leaves or Wilting Plant

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Wilting Plant

Possible Causes: Soil remains either too wet or too dry.

Management: Develop a watering routine that is infrequent but deep to promote healthy root growth and combat root rot. If root rot is suspected, remove the plant from its container, examine the root system, and cut out infected roots (blackened root tips with slimy decay), then repot using sterile potting mix and a clean pot.

Related: The Best Things You Can Do for Your Garden Soil

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Symptom: Spots on Leaves

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Spots on Leaves

Possible Causes: Fungal leaf spot, water spots.

Management: If the plant is already affected, isolate it from other plants and pick off infected leaves. To prevent spotting, increase air circulation by increasing space between plants, and take care not to splash water on leaves when watering.

Related: It's Not Me, It's You: The 10 Toughest Houseplants to Keep Alive

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Symptom: Leaf Tips Turn Yellow, Then brown; Entire Leaf May Die

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Leaf Tips Turn Yellow

Disease: Anthracnose.

Management: Remove infected leaves. Avoid misting leaves.

Related: 9 Bright and Colorful Houseplants You Can't Kill

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Symptom: White Powdery Fungal Growth on Foliage, Leaf Distortion, Leaf Drop

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White Leaves

Disease: Powdery mildew.


Management: Increase air circulation around plant and remove infected foliage.

Related: 8 Plants You Can Grow Without Soil

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Symptom: Brown to Black Soft or Punky Roots, Wilted Plants

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Soft Roots

Possible Causes: Root and stem rot.

Management: Avoid overwatering. Remove affected plant, cut out infected roots (blackened root tips with slimy decay), then repot using sterile potting mix and a clean pot.

Related: 7 Houseplants with Secret Health Benefits

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Symptom: Stunting, Dieback, and Distortion

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Plant Stunting

Disease: Botrytis blight.

Management: Isolate the diseased plant and trim the affected parts back. Increase air circulation by increasing space between plants.

Related: The Best Plants for Every Room of the House

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Plant Doctor

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Plant Doctor

If you pay close attention, your plants will tell you what they need.

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