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Hindu Rope Plant · Hoya carnosa

Why are there white cottony spots on my Hindu Rope plant?

Those white, fuzzy spots are almost certainly mealybugs. They love hiding in the tight, twisted folds of your Hindu Rope plant leaves where they are hard to spot.

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

Check these first

  1. Inspect the deep crevices of the twisted leaves with a flashlight.
  2. Check the undersides of the leaves and the main stems.
  3. Touch the leaves to see if they feel sticky or tacky.

Likely causes

  1. Mealybug infestation

    Most likely

    How to tell: You will see white, cottony masses tucked into the leaf axils or along the stems. The leaves may also feel sticky to the touch.

    What to do: Dip a cotton swab in rubbing alcohol and touch it directly to each white spot to kill them. Follow up by spraying the entire plant with neem oil or insecticidal soap every 7 days for a month.

  2. Scale insects

    Possible

    How to tell: These look like small, hard brown bumps on the stems or undersides of leaves. They do not move and are often mistaken for part of the plant.

    What to do: Gently scrape the bumps off with your fingernail or a soft toothbrush. Wipe the area with a cloth soaked in rubbing alcohol to remove any remaining residue.

Pests on other plants

Find out what's wrong with your hindu rope plant

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 you see the bugs spreading to other plants nearby, it is time to take serious action. A few bugs are manageable, but a full infestation can weaken your plant quickly.

Stopping it coming back

Check your plant every time you water it. Keep new plants isolated for 2 weeks before placing them near your other houseplants.

Hindu Rope Plant: pests? Check yours with a photo

Every plant is a little different. Take a photo of your hindu rope plant 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 just wash the bugs off with water?
Water alone will not kill them because they are protected by a waxy coating. You must use alcohol or soap to break through that barrier.
Will these bugs kill my plant?
If left untreated, they will suck the sap and cause the plant to decline. Catching them early makes them very easy to manage.

Guides to these causes

More problems with Hindu Rope Plant

Back to the Hindu Rope Plant 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.