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Yucca

What are the bugs on my yucca plant?

Yucca plants are most commonly bothered by yucca plant bugs, which leave behind small yellow spots. Check the undersides of the leaves for these tiny insects or their telltale stippling damage.

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

Check these first

  1. Examine the undersides of the leaves with a magnifying glass.
  2. Look for fine webbing or small yellow stippling on the foliage.
  3. Wipe the leaves with a wet paper towel to see if any insects come off.

Likely causes

  1. Yucca Plant Bug

    Most likely

    How to tell: You will see tiny yellow or white spots on the leaves and perhaps the small, dark bugs themselves hiding on the undersides.

    What to do: Wipe the leaves down with a damp cloth to remove the insects. For larger infestations, spray the plant with insecticidal soap every 7 days until the bugs are gone.

  2. Spider Mites

    Possible

    How to tell: The leaves look dusty or stippled, and you might see very fine webbing between the leaf bases.

    What to do: Increase the humidity around the plant by misting it occasionally. Wash the leaves thoroughly with a strong stream of water or use neem oil to treat the infestation.

Find out what's wrong with your yucca

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

Small numbers of pests are manageable, but you should worry if the leaves start to curl or drop prematurely. Treat the plant immediately if you see significant webbing or heavy spotting.

Stopping it coming back

Keep your yucca healthy with proper light and water, as stressed plants are more attractive to pests. Regularly inspect the leaves during your watering routine to catch bugs early.

Keep your yucca healthy from here

Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked. Identification and a health check are free.

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Questions people ask

Are these bugs harmful to my other plants?
Yes, many common pests like spider mites can spread quickly to nearby plants. It is best to isolate your yucca until the infestation is completely cleared.
Do I need to use harsh chemicals?
Usually, no. Insecticidal soap or neem oil is very effective and much safer for your home environment than heavy pesticides.

More problems with Yucca

Back to the Yucca guide

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