Are these bugs harmful to other plants?

Yes, aphids can spread quickly to nearby plants. It is best to isolate the affected plant until the infestation is cleared.

Neem oil is an effective treatment for both aphids and powdery mildew. Apply it in the evening to avoid burning the leaves in the sun.

What are these bugs on my Siberian rocket? Causes and fixes

Check these first

Look closely at the new growth for tiny insects.
Check for white powdery spots on the leaves.
Wipe the leaves with a damp cloth to see if the residue comes off.

Likely causes

Aphids
Most likely
How to tell: Small green or black insects cluster on new growth and flower buds. You might also see a sticky residue on the leaves.
What to do: Spray the plant with a gentle stream of water to knock the bugs off. Use insecticidal soap once a week until the pests are gone.
Powdery mildew
Possible
How to tell: A white, dusty fungal growth appears on the surface of the leaves. This is often caused by poor air circulation.
What to do: Increase the space between plants to improve airflow. Wipe the leaves with a damp cloth and apply a fungicide if the infection persists.

Pests on other plants

Find out what's wrong with your siberian rocket

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.

When to worry

If the pests are covering the entire plant and causing significant yellowing, take immediate action. It is normal to see an occasional stray insect in an outdoor garden.

Stopping it coming back

Keep the plant healthy with proper watering and ensure it has plenty of space for air to move around the leaves.

Siberian rocket: pests? Check yours with a photo

Every plant is a little different. Take a photo of your siberian rocket 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.

Get the app · Or check it from a photo now, free

Questions people ask

Are these bugs harmful to other plants?: Yes, aphids can spread quickly to nearby plants. It is best to isolate the affected plant until the infestation is cleared.
Can I use neem oil?: Neem oil is an effective treatment for both aphids and powdery mildew. Apply it in the evening to avoid burning the leaves in the sun.

What are these bugs on my Siberian rocket?

Check these first

Not sure what's wrong with your siberian rocket?

Likely causes

Aphids

Powdery mildew

Find out what's wrong with your siberian rocket

When to worry

Stopping it coming back

Siberian rocket: pests? Check yours with a photo

Questions people ask

Guides to these causes

More problems with Siberian rocket