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Siberian rocket · Hesperis sibirica

Why are the tips of my Siberian rocket turning brown?

It is less common for this plant to have brown tips, which usually stems from low humidity or salt buildup in the soil. Check your water quality and humidity levels first.

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Check these first

  1. Check if the air around the plant is very dry.
  2. Look for white crusty deposits on the soil surface.
  3. Review your recent fertilizing schedule.

Likely causes

  1. Low humidity

    Possible

    How to tell: The tips turn crisp and brown while the rest of the leaf remains green.

    What to do: Group your plants together to create a more humid microclimate. Avoid placing the plant directly in front of heating vents or air conditioners.

  2. Fertilizer burn

    Possible

    How to tell: The tips turn brown and brittle shortly after applying liquid fertilizer.

    What to do: Flush the soil with plain water to wash away excess salts. Reduce your fertilizer strength to half of the recommended dose for the next few months.

Brown tips 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.

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When to worry

Brown tips are rarely fatal but indicate the plant is stressed by its environment. It is normal for the very oldest leaves to develop minor brown edges as they age.

Stopping it coming back

Use filtered water if your tap water is heavily treated and avoid over-fertilizing.

Siberian rocket: brown tips? 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.

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Questions people ask

Should I cut off the brown tips?
You can trim them with clean scissors for aesthetic reasons. Just avoid cutting into the healthy green tissue.
Does this mean my plant is dying?
No, it is usually just a sign that the plant is unhappy with its current environment. Adjusting the humidity or water quality will stop the spread.

Guides to these causes

More problems with Siberian rocket

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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.