Brassica oleracea Green Rich F1 Sticky Leaves - Causes & Fixes

Jump to cause: Aphid Infestation Whitefly Infestation Cabbage Scale Insects

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Aphid Infestation

Aphids are highly attracted to the succulent leaves of Brassica oleracea. They inject piercing-sucking mouthparts into the plant tissue to feed on sap, excreting a sugary substance known as honeydew which creates the sticky residue.

Very Common

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How to confirm: Inspect the undersides of the cabbage leaves and the tight inner heart for small, soft-bodied green or black insects.

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1 Apply an organic insecticide to eliminate the aphid population and stop the production of honeydew.

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2 Gently wash the sticky residue off the leaves with a soft stream of water to prevent fungal growth.

3 Monitor the plant regularly using yellow sticky traps to catch any remaining or newly arriving winged aphids.

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Whitefly Infestation

Whiteflies feed on the undersides of cabbage leaves, producing honeydew as a byproduct of their sap consumption. This can lead to a sticky coating on the leaf surfaces and potential sooty mold growth.

Common

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How to confirm: Gently shake the plant near a light source to see if tiny white flying insects emerge from the foliage.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic insecticide to eliminate the whitefly population and stop the production of honeydew.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Deploy yellow sticky traps around the cabbage plants to capture adult whiteflies and disrupt their breeding cycle.

Super Ninja Fungus Gnat Traps - 30 Pack

30 pcs

$7

In Stock

3 Gently wash the sticky residue off the leaves with a soft stream of water to prevent the development of sooty mold.

warning

Cabbage Scale Insects

Scale insects attach themselves to the stems and leaves of Brassica plants, slowly sucking nutrients and secreting honeydew. This process often results in a visible sticky film on the surrounding foliage.

Common

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How to confirm: Look for small, stationary, scale-like bumps or bumps on the stems and leaf ribs that do not move when touched.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic insecticide spray to the foliage and stems to eliminate the scale insects and stop the secretion of honeydew.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Wipe the sticky residue off the leaves with a damp cloth to prevent the growth of sooty mold and allow the plant to breathe.

3 Inspect the undersides of leaves and stems for any remaining scale insects and remove them manually if found.