Kalanchoe Taranta Red Sudden Leaf Drop - Causes & Fixes

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Overwatering and Root Rot

Kalanchoe taranta are succulents that store water in their fleshy leaves; excessive moisture causes root hypoxia, leading to the rapid shedding of leaves as the plant tries to reduce transpiration.

Very Common

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How to confirm: Gently lift the plant from its pot to check if the roots are dark brown, slimy, or emit a foul odor.

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

2 Repot the Kalanchoe in a well-draining succulent mix, incorporating perlite to increase aeration and prevent future waterlogging.

3 Use a moisture meter to monitor the soil, ensuring you only water when the substrate is completely dry to avoid repeat root rot.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

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Temperature Shock/Cold Stress

This species is sensitive to temperatures below 50°F (10°C); sudden exposure to drafts or cold windows can trigger an immediate physiological response resulting in leaf abscission.

Very Common

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How to confirm: Check if the plant is located near a drafty window, air conditioning vent, or in a room with significant temperature fluctuations.

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1 Immediately move the plant away from cold drafts, windows, or air conditioning vents to a stable environment above 50°F.

2 Check the soil moisture with a meter to ensure the plant is not also suffering from root stress due to temperature-induced water retention changes.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

3 Avoid fertilizing the plant until new growth appears and it has fully acclimated to the warmer temperature.

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Extreme Water Stress (Drought)

While drought-tolerant, prolonged periods without water cause the succulent cells to lose turgor pressure, forcing the plant to drop leaves to preserve moisture for the stem.

Common

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How to confirm: Check if the soil is pulling away from the edges of the pot and if the remaining leaves feel limp or wrinkled.

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1 Immediately check the soil moisture level using a probe to determine if the root ball is completely desiccated.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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2 Deeply water the plant until water drains from the bottom, ensuring the entire root zone is rehydrated to restore turgor pressure.

Chapin 48000 0.5G Watering Can

2.3 L • Recycled Plastic

$12

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3 Place the plant in a stable environment with bright, indirect light and avoid fertilizing until new growth appears.

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Pest Infestation (Scale or Mealybugs)

Sap-sucking insects like scale can weaken the Kalanchoe's vascular system, causing the plant to shed leaves due to nutrient depletion and physical damage to the leaf base.

Common

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How to confirm: Inspect the undersides of the leaves and the stems for small, stationary bumps or white, cottony clusters.

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1 Inspect the undersides of leaves and stem joints for white, cottony masses (mealybugs) or small, brown bumps (scale).

2 Apply an organic insecticide spray to the entire plant to eliminate existing pests and prevent further damage.