Sedum morganianum Fine Webbing - Causes & Fixes

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Two-Spotted Spider Mite Infestation

Spider mites thrive in the warm, dry conditions typical for Sedum morganianum. They pierce the plant's cells to suck out contents, leaving behind fine silk webbing and causing the characteristic yellowing or 'stippling' of the fleshy leaves.

Very Common

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How to confirm: Hold a white piece of paper underneath a branch and tap it to see if tiny crawling specks fall off.

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1 Immediately spray the plant with an organic miticide to kill existing spider mites and their eggs.

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2 Increase humidity and reduce heat around the plant, as spider mites thrive in dry, warm environments.

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3 Carefully wipe the fleshy leaves with a damp cloth to physically remove webbing and any remaining mites.

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Broad Mites

While they do not produce large webs, broad mites can cause fine, distorted growth patterns and leaf curling in succulents. In advanced stages, the accumulation of debris and mite activity can resemble a dusty or web-like texture on new growth.

Common

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How to confirm: Examine the very tips of new growth for swelling, puckering, or stunting of the leaves.

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1 Isolate the plant immediately to prevent the mites from spreading to other succulents and spray the foliage thoroughly with an organic insecticide/miticide.

Bonide Captain Jack's Neem Oil 32 oz

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2 Gently wipe the leaves with a damp cloth to remove the fine webbing and mite debris, then monitor new growth for distortions.

3 Ensure the plant is in a well-ventilated area with adequate light to discourage mite accumulation and promote healthy, firm growth.

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Dust and Debris Accumulation

Because Burro's Tail has many tightly packed, overlapping leaves, fine dust or cobweb-like debris from the environment can easily become trapped in the crevices. This is not a biological pathogen but can mimic the appearance of pest webbing.

Common

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How to confirm: Gently wipe a leaf with a damp cloth to see if the 'webbing' disappears without leaving behind tiny insects.

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1 Gently clean the leaves using a soft, dry paintbrush or a clean makeup brush to carefully remove dust and debris from the tight crevices of the plant.

2 Use a gentle stream of room-temperature water to rinse the plant, ensuring you wash away any trapped particles without dislodging the fleshy leaves.

3 Inspect the plant closely for any actual movement or tiny insects to confirm the webbing is indeed just environmental debris and not spider mites.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock