Brassica Pigeon F1 Round Victoria White Cottony Spots - Causes & Fixes

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Powdery Mildew

A fungal disease caused by Oomycetes that manifests as white, flour-like patches on the surface of cabbage leaves. It thrives in high humidity and moderate temperatures, common in Brassica crops during late summer or autumn.

Very Common

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How to confirm: Check if the white spots appear as a powdery coating that can be wiped off with your finger but remains on the leaf surface.

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1 Apply an organic fungicide to the affected leaves to stop the spread of the fungal spores.

Bonide Captain Jack's Copper Fungicide 32 oz

0.9 L • 1 pcs • Organic

$12

In Stock

2 Prune and remove any heavily infected leaves immediately, ensuring you dispose of them away from your garden to prevent further contamination.

3 Improve air circulation around your cabbage plants and avoid overhead watering to reduce the humidity that fuels mildew growth.

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Mealybugs

Small, soft-bodied insects that secrete a white, waxy, cottony substance to protect themselves. They tend to cluster in the crevices of the cabbage head or under the leaves, feeding on plant sap.

Common

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How to confirm: Inspect the undersides of leaves and the tight folds of the cabbage head for tiny moving insects embedded in the white fluff.

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1 Apply an organic insecticide spray to the cabbage head and leaf crevices to eliminate existing mealybug adults, larvae, and eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Manually remove visible mealybug clusters using a cotton swab dipped in isopropyl alcohol to prevent further sap feeding.

3 Monitor the plant closely using yellow sticky traps to capture any migrating insects and prevent a secondary infestation.

Super Ninja Fungus Gnat Traps - 30 Pack

30 pcs

In Stock

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Cottony Scale

An insect infestation where the protective wax buildup resembles cotton. These pests suck nutrients from the Victoria Round Cabbage, often leading to leaf yellowing and stunted growth of the central head.

Common

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How to confirm: Look for small bumps on the stem or leaf petioles that feel hard or textured beneath the white material.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic insecticide spray to the cabbage to eliminate the scale insects and their protective wax coating.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Physically remove visible cottony clusters from the cabbage leaves using a soft cloth or cotton swab dipped in rubbing alcohol.

3 Monitor soil moisture levels to ensure the plant remains healthy enough to recover from the nutrient loss caused by the infestation.