Zantedeschia Captain Reno Drooping Leaves - Causes & Fixes

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Underwatering / Drought Stress

As a moisture-loving tuber, Zantedeschia 'Captain Reno' requires consistently moist soil. When the medium dries out completely, the turgor pressure in the large, fleshy leaves drops, leading to visible wilting.

Very Common

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How to confirm: Stick your finger two inches into the soil; if it feels bone dry, the plant needs immediate deep watering.

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1 Immediately check the soil moisture level using a probe to confirm the depth of the drought stress.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

2 Thoroughly soak the soil until water runs freely from the drainage holes, ensuring the tuber is well-hydrated.

Chapin 48000 0.5G Watering Can

2.3 L • Recycled Plastic

$12

In Stock

3 To prevent future drought, consider using a self-watering system or a moisture-retaining substrate like coco coir.

Back to the Roots Organic Coir 51qt

48 L • Coconut Coir

$19

In Stock

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Root Rot (Phytophthora)

Overwatering or poor drainage leads to fungal pathogens attacking the tuber. This destroys the root system's ability to transport water to the foliage, causing the leaves to droop even when soil is wet.

Very Common

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How to confirm: Gently lift the tuber from the pot to check if it feels soft, slimy, or emits a foul odor.

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1 Immediately remove the plant from its current container and inspect the tubers for any soft, mushy, or foul-smelling rot.

2 Trim away all decayed root and tuber tissue using sterilized tools and repot the healthy portion in a well-draining medium like Espoma Organic Potting Soil Mix to prevent further fungal spread.

Espoma Organic Potting Soil Mix

15.1 L

$22

In Stock

3 Ensure the new container has excellent drainage and use a moisture meter to monitor soil levels, preventing the waterlogged conditions that cause Phytophthora.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

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Temperature Fluctuations / Cold Stress

Calla Lilies are sensitive to sudden drops in temperature. Exposure to drafts or temperatures below 50°F (10°C) can cause the plant to enter a semi-dormant state, resulting in limp, drooping foliage.

Common

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How to confirm: Check if the plant is positioned near an air conditioning vent or a drafty window.

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1 Move your Calla Lily to a stable, warm environment away from cold drafts, windows, or air conditioning vents to maintain temperatures above 50°F.

2 Apply a microbial-based fertilizer to help the plant recover from environmental stress and strengthen the root zone.

FoxFarm Bush Doctor Boomerang Liquid Plant Fertilizer 1 Pint

0.5 L • 1 pcs

$20

In Stock

3 Monitor the soil moisture closely using a meter to ensure the plant is not being overwatered while in its semi-dormant state.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

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Nutrient Deficiency (Nitrogen)

A lack of nitrogen prevents the production of chlorophyll and structural cell walls. This results in pale, weak leaves that lack the strength to stand upright.

Common

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How to confirm: Observe if the drooping leaves are also turning a pale yellowish-green color.

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1 Apply a nitrogen-rich liquid fertilizer to boost chlorophyll production and strengthen leaf structure.