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Swedish Ivy · Plectranthus verticillatus

Why are there white cottony spots on my Swedish Ivy?

You are likely dealing with mealybugs, which are common pests that love to hide in the nooks of your plant. Check the undersides of leaves and where the stems meet the main vine first.

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pests on a plant
Photo: Jules Verne Times Two, CC BY-SA 4.0

Check these first

  1. Inspect the leaf joints for white fuzzy patches.
  2. Check the undersides of leaves for fine webbing.
  3. Isolate the plant from your other houseplants immediately.

Likely causes

  1. Mealybug infestation

    Most likely

    How to tell: Look for small white, fuzzy masses that resemble bits of cotton. They often cluster in leaf axils or along the stems.

    What to do: Dip a cotton swab in rubbing alcohol and touch it directly to each bug to kill it instantly. Follow up by spraying the entire plant with a mixture of water and a few drops of mild dish soap once a week for a month.

  2. Spider mites

    Possible

    How to tell: You might see fine, silky webbing between the leaves or stems. The leaves may also look speckled or dusty.

    What to do: Take your plant to the shower or sink and give it a thorough rinse with lukewarm water to wash the mites away. Keep the plant in a humid spot and wipe the leaves down with a damp cloth every few days.

Pests on other plants

Find out what's wrong with your swedish ivy

The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.

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When to worry

If the infestation covers the entire plant and leaves are turning yellow or falling off, it is a serious situation. A few bugs are easy to manage, but a full colony can weaken the plant significantly.

Stopping it coming back

Wipe your plant leaves down with a damp cloth every two weeks to keep them clean and discourage pests. Always inspect new plants for at least two weeks before placing them near your other greenery.

Swedish Ivy: pests? Check yours with a photo

Every plant is a little different. Take a photo of your swedish ivy and Pocket Botanist tells you which cause is most likely, how serious it is, and what to try first. A few checks a day are free. Save the plant and you get care reminders timed for it.

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Questions people ask

Can I use neem oil on my Swedish Ivy?
Yes, neem oil is a great organic option. Just be sure to apply it in the evening to avoid burning the leaves in direct light.
Will these bugs spread to my other plants?
Yes, mealybugs and spider mites travel easily. Keep the affected plant in a separate room until you are sure the pests are gone.

Guides to these causes

More problems with Swedish Ivy

Back to the Swedish Ivy guide

This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.