White Cabbage Ortus F1 Drooping Leaves - Causes & Fixes

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Water Stress (Drought or Waterlogging)

Cabbages have large leaf surface areas that lead to rapid transpiration. Lack of soil moisture causes loss of turgor pressure, while waterlogged soil suffocates roots, preventing the uptake of water needed to keep leaves upright.

Very Common

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How to confirm: Stick your finger two inches into the soil; if it is bone dry or extremely muddy, irrigation needs adjustment.

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1 Check the soil moisture level immediately using a moisture meter to determine if the soil is bone-dry or saturated.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

2 If the soil is dry, water the cabbage thoroughly at the base to restore turgor pressure; if waterlogged, ensure the pot has excellent drainage or repot into a more aerated medium.

3 To prevent future waterlogging, amend your soil with perlite to improve drainage and aeration around the root zone.

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Root Rot (Pythium or Phytophthora)

In heavy, poorly drained soils, fungal pathogens can attack the root system of the White Cabbage. As roots decay, they lose the ability to transport water to the canopy, resulting in wilting despite moist soil.

Common

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How to confirm: Gently lift a plant to check if the roots are dark, slimy, or have a foul odor.

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1 Immediately remove the plant from the saturated soil and inspect the roots for mushy, brown, or foul-smelling decay.

2 Repot the cabbage in a well-draining, aerated medium by mixing in horticultural perlite to prevent future waterlogging.

3 Ensure the new container has excellent drainage and use a moisture meter to avoid overwatering the plant.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

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Nitrogen Deficiency

White Cabbage is a heavy feeder that requires significant nitrogen for leaf development. A lack of nitrogen causes older leaves to pale and eventually droop as the plant lacks the structural integrity for growth.

Common

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How to confirm: Observe if the drooping leaves are also turning a pale yellow color, starting from the bottom of the plant.

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1 Apply a nitrogen-rich organic fertilizer to boost leaf development and restore structural integrity to the foliage.

Back to the Roots Blood Meal & Gypsum (4 Pack)

Organic Fertilizer

$40

Out of Stock

2 Supplement the soil with organic worm castings to provide a slow-release source of nitrogen and beneficial microbes.

Back to the Roots Organic Worm Castings 5lb

Worm Castings

$17

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3 Monitor soil moisture levels using an analog meter to ensure the plant is not also suffering from water stress, which can mimic nitrogen deficiency symptoms.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

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Bacterial Soft Rot (Pectobacterium)

This pathogen attacks the internal tissues of the cabbage, breaking down cell walls. As the structural integrity of the leaves collapses due to bacterial enzymatic activity, the plant will visibly wilt and sag.

Common

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How to confirm: Check for any mushy, foul-smelling lesions on the base of the leaves or the stem.

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1 Immediately remove and destroy all infected cabbage plants and surrounding debris to prevent the bacteria from spreading to healthy crops.

2 Apply a copper-based fungicide to the remaining healthy plants to help control the spread of bacterial pathogens.

Bonide Captain Jack's Copper Fungicide 32 oz

0.9 L • 1 pcs • Organic

$12

In Stock

3 Improve soil drainage and reduce moisture by adding horticultural perlite to the planting area to prevent the waterlogged conditions that bacteria thrive in.