Calathea Glamour Star Drooping Leaves - Causes & Fixes

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Underwatering and Low Humidity

Calatheas are tropical plants that require consistently moist soil and high humidity; dry air causes the leaves to lose turgor pressure and wilt. When the substrate dries out completely, the plant enters a survival mode characterized by drooping.

Very Common

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How to confirm: Touch the top inch of soil to check for dryness and observe if leaf edges are also turning crispy/brown.

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1 Immediately check the soil moisture level with a probe to assess the depth of dehydration.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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2 Thoroughly water the plant until water drains from the bottom, ensuring the substrate is consistently moist but not waterlogged.

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3 Increase ambient humidity around the plant by using a pebble tray or a fine misting spray bottle to prevent further leaf wilting.

Flora Premium Plant Mister

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Root Rot (Overwatering)

Excessive water saturates the soil, displacing oxygen and causing roots to decay. This prevents the plant from absorbing water effectively, leading to a paradoxical symptom of drooping despite wet soil.

Very Common

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How to confirm: Gently lift the plant from its pot to check if the roots are black, slimy, or emitting an unpleasant odor.

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1 Immediately remove the plant from its current pot and trim away any mushy, black, or foul-smelling decayed roots using sterilized shears.

2 Repot the plant in a fresh, well-draining medium enriched with perlite to ensure maximum aeration and prevent future oxygen displacement.

3 Use a moisture meter to monitor the soil, ensuring you only water when the top inch of soil is dry to avoid repeating the overwatering cycle.

GROWIT Soil Moisture Meter - Blue

Water Meters

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Temperature Shock or Drafts

Calathea Glamour Star is highly sensitive to sudden temperature fluctuations and cold drafts from air conditioning or windows. Rapid cooling causes the cellular structure of the leaves to collapse, resulting in drooping.

Common

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How to confirm: Check if the plant is positioned directly in the path of an AC vent or a drafty window during colder periods.

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1 Move your Calathea to a stable, warm environment away from air conditioning vents, drafty windows, or heating elements.

2 Increase local humidity to help the plant recover from cellular stress and prevent further leaf collapse.

Flora Premium Plant Mister

Spray Bottles

$12

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3 Monitor the soil moisture closely to ensure the plant isn't also experiencing water stress during this recovery period.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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Salt Accumulation (Mineral Buildup)

The use of tap water high in fluoride, chlorine, or minerals can lead to salt buildup in the substrate. This increases soil salinity, making it harder for the roots to uptake water through osmosis.

Common

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How to confirm: Look for white, crusty deposits on the soil surface or the edges of the pot.

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1 Flush the soil thoroughly by running distilled or filtered water through the pot for several minutes to leach out accumulated mineral salts.

2 Repot the plant in fresh, high-quality potting soil to completely remove the salt-laden substrate and provide a clean environment for root recovery.