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Browallia · Browallia americana

Why are there bugs on my American bush violet?

Seeing tiny insects on your plant is frustrating, but it happens to the best of us. These pests usually show up when the plant is stressed or the air is too dry, so check the undersides of the leaves 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 undersides of the leaves with a flashlight.
  2. Check the new growth for sticky residue.
  3. Shake the plant gently to see if any small insects fly away.

Likely causes

  1. Aphids

    Most likely

    How to tell: You will see small green or black insects clustering on new growth and flower buds. They often leave behind a sticky residue called honeydew.

    What to do: Spray the plant with a gentle stream of water to knock them off. Follow up with an insecticidal soap spray once a week for 3 weeks to catch any stragglers.

  2. Whiteflies

    Possible

    How to tell: These tiny white insects fly up in a cloud when you brush against the plant. Look for them hiding on the undersides of the leaves.

    What to do: Use yellow sticky traps near the plant to catch adults. Treat the foliage with neem oil every 7 days until you no longer see them.

Pests on other plants

Find out what's wrong with your browallia

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 leaves start turning yellow or curling, the infestation is heavy and needs immediate treatment. A few bugs are manageable, but a full colony will quickly weaken your plant.

Stopping it coming back

Keep your plant healthy with consistent moisture and good air circulation. Check your plant every time you water to catch new pests early.

Browallia: pests? Check yours with a photo

Every plant is a little different. Take a photo of your browallia 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 dish soap to kill these pests?
Yes, but use a mild, non-detergent soap mixed with water. Avoid soaps with degreasers or fragrances as they can burn the leaves.
Should I isolate my plant?
Definitely. Move the infested plant away from your other houseplants to prevent the bugs from spreading.

Guides to these causes

More problems with Browallia

Back to the Browallia 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.