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Is Onion Water Good for Rose Plants?

Published in Plant Care 2 mins read

Yes, onion water, specifically onion peel liquid fertilizer, can be good for rose plants.

Benefits of Onion Water for Roses

Using onion peel liquid fertilizer can provide benefits to rose plants.

How Often to Use Onion Water for Roses

According to the provided reference, here's how to use onion peel liquid fertilizer for roses:

  • General Use: Apply once a month.
  • Peak Stages: During their peak flowering season (e.g., roses in winter), apply twice a month.

How to Prepare Onion Water Fertilizer

While the reference focuses on how often to apply onion peel liquid fertilizer, it does not explain how to prepare it, therefore, external research is needed for instructions:

  1. Collect Onion Peels: Save the outer skins of onions after cooking.
  2. Soak the Peels: Place the onion peels in a container of water.
  3. Let it Steep: Allow the peels to soak for a day or two.
  4. Dilute: Dilute the solution before using it.

Practical Considerations

  • Always dilute the onion water to avoid burning plant roots.
  • Be mindful of the flowering stage of your roses for application frequency.


Benefit Usage Frequency Notes
Provides Nutrients General use once a month. Dilute before use
Supports Peak Growth Twice a month during peak flowering/fruiting stages. Do not over-apply; observe plants closely.