Capsicum annuum Tango Deep Orange Sudden Leaf Drop - Causes & Fixes

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Water Stress (Overwatering or Underwatering)

Pepper plants are highly sensitive to fluctuations in soil moisture; sudden leaf drop is a primary defense mechanism used by Capsicum annuum to reduce transpiration when roots are drowning or desiccating.

Very Common

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How to confirm: Insert your finger 2 inches into the soil to check if it is waterlogged or bone-dry.

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1 Check the current moisture level at the root zone using a moisture meter to determine if the soil is waterlogged or bone dry.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

2 If overwatered, allow the soil to dry out completely before the next watering and ensure the pot has excellent drainage; if underwatered, provide a deep, thorough soak.

Espoma Organic Potting Soil Mix

15.1 L

$22

In Stock

3 To prevent future fluctuations, consider using a self-watering system or a moisture-retaining amendment like perlite to stabilize the environment.

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Temperature Shock

Tango Deep Orange peppers thrive in stable, warm temperatures; sudden exposure to cold drafts (below 10°C/50°F) or extreme heatwaves can trigger rapid abscission of older leaves.

Very Common

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How to confirm: Check for recent changes in environment, such as moving the plant near a window or an air conditioning vent.

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1 Relocate the plant to a stable environment away from cold drafts, air conditioning vents, or direct extreme heat to prevent further temperature fluctuations.

2 Monitor the soil moisture levels closely using a moisture meter to ensure the plant remains hydrated but not waterlogged during this recovery period.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

3 Apply a liquid seaweed fertilizer to help the plant recover from environmental stress and boost nutrient uptake.

FoxFarm Bush Doctor Kelp Me Kelp You Liquid Seaweed Fertilizer 1 Quart

0.9 L • 1 pcs

$32

In Stock

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Root Rot (Phytophthora capsici)

Overly damp conditions promote fungal pathogens that attack the root system of peppers, leading to a sudden inability to support foliage and subsequent leaf drop.

Common

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How to confirm: Gently lift the plant from its pot to inspect if the roots are dark, slimy, or emit an unpleasant odor.

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1 Immediately inspect the soil moisture levels and ensure the plant is not sitting in stagnant water; use a moisture meter to confirm the root zone is not perpetually saturated.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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2 Repot the pepper plant into a fresh, well-draining medium enriched with perlite to improve aeration and prevent further fungal growth.

3 Apply a fungicide treatment to combat the Phytophthora pathogen and protect the remaining healthy root tissue.

Bonide Captain Jack's Copper Fungicide 32 oz

0.9 L • 1 pcs • Organic

$12

In Stock

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Nutrient Deficiency (Nitrogen)

While usually a gradual process, severe nitrogen deficiency in Capsicum annuum causes the plant to sacrifice older leaves to redirect mobile nutrients to new growth.

Common

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How to confirm: Observe if the yellowing started on the older, bottom leaves before they dropped.

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1 Apply a nitrogen-rich liquid fertilizer to provide immediate nutrient uptake and stop the plant from sacrificing older leaves.