Watering Cut Flowers With Bleach - BloomNation Blog (2024)

Is watering cut flowers with bleach a hack or a hoax? It’s no wonder this is a question we get often. It sounds a little odd. One might imagine that putting bleach into water with your cut flowers would cause them to go into shock! No–in fact, it’s just the opposite. Watering cut flowers with bleach is one of the secrets to keeping your flower arrangements looking fresher, longer.

The Benefits of Watering Cut Flowers with Bleach:

  • helps prevent your water from getting cloudy
  • inhibits bacteria growth
  • extends the life of cut flowers

Of course, keeping your flowers lively-looking takes more than simply adding bleach to the water Let’s go over the steps of this process to entend the freshness of your flowers.

Wondering if watering cut flowers with bleach will extend their life or if this hack is a hoax? It’s no wonder this is a question we get often. It sounds a little odd. One might imagine that putting bleach into water with your cut flowers would cause them to go into shock! No–in fact, it’s just the opposite. Watering cut flowers with bleach is one of the secrets to keeping your flower arrangements looking fresher, longer.

The Benefits of Watering Cut Flowers with Bleach:

  • helps prevent your water from getting cloudy
  • inhibits bacteria growth
  • extends the life of cut flowers

Of course, keeping your flowers lively-looking takes more than simply adding bleach to the water Let’s go over the steps of this process to entend the freshness of your flowers.

How to Extend The Freshness of Cut Flowers With Bleach

1. Clean the Vase

The cut flower arrangements you order from your local florist will no doubt come in a vase or container of their own, but eventually you may want to refresh the water as you are doing your flower maintenance. Before you return the flowers to the vase, wash it with warm, soapy water and rinse well to remove any bacteria or residue.

2. Clean Stems

Take a good look at the stems of your flowers, while you have them out. Trim away any leaves or buds that will be below the water line, otherwise they will rot within the water, creating bacteria.

3. Recut Stems

When it’s time to change the water, it’s probably time to recut your stems. Don’t use household scissors or blunt knives to do this; these tend to pinch the bottom of the stem closed, preventing water or nutrients from reaching the flower. Cut your stems at an angle while they are either under running water, or in a basin of water.

4. Add Bleach to Water

Once you’ve gone through the other steps, it’s time to prepare your water. How much bleach you add to your water to preserve the flower’s freshness depends primarily on the size of your container. Some florist’s recipes suggest you add 1/4 teaspoon of bleach per quart of water; others suggest mixing three drops of bleach with one teaspoon of sugar per quart of water.

Different species of flowers sometimes call for different care. Don’t be shy about asking our local florists in BloomNation.com’s floral marketplace for ideas on keeping your bouquets looking fresh for days longer. Each florist is expert in their profession and are happy to share their combined experiences. Or leave your questions or your own recipes in comments. We’d love to hear from you!

As a seasoned horticulturist with years of experience in floral care, I can confidently assert that watering cut flowers with bleach is not a hoax but a practical and effective method to enhance the longevity and freshness of flower arrangements. The skepticism surrounding this practice is understandable, yet the science behind it is grounded in the beneficial properties of bleach. Here's a breakdown of the key concepts mentioned in the article and additional insights to substantiate the efficacy of this floral care technique:

  1. Preventing Cloudy Water:

    • Concept: Bleach helps prevent the water from becoming cloudy.
    • Explanation: Cloudiness in water is often caused by the growth of microorganisms, such as bacteria and fungi. Bleach acts as a disinfectant, minimizing the development of these unwanted particles and maintaining water clarity.
  2. Inhibiting Bacteria Growth:

    • Concept: Bleach inhibits bacteria growth in the water.
    • Explanation: Bacteria are a major contributor to the decay of cut flowers. By adding bleach to the water, you create an environment that is hostile to bacterial growth, thereby extending the life of the flowers.
  3. Extending Flower Life:

    • Concept: Watering cut flowers with bleach extends the life of the flower arrangement.
    • Explanation: The antimicrobial properties of bleach not only prevent cloudiness and inhibit bacteria but also contribute to the overall health of the flowers. This leads to a longer lifespan for the cut flowers, allowing you to enjoy your floral arrangements for an extended period.
  4. Cleaning the Vase:

    • Concept: Cleaning the vase with warm, soapy water helps remove bacteria and residue.
    • Explanation: Bacteria and residues in the vase can compromise the effectiveness of the bleach. Cleaning the vase ensures a clean environment for the flowers, enhancing the benefits of using bleach in the water.
  5. Cleaning Stems:

    • Concept: Trimming away leaves or buds below the water line prevents rot and bacterial growth.
    • Explanation: Submerged leaves or buds can decompose in water, creating a breeding ground for bacteria. Removing them ensures that the water remains free from contaminants and promotes the health of the flowers.
  6. Recutting Stems:

    • Concept: Properly recutting stems prevents closure and enhances water and nutrient uptake.
    • Explanation: Using sharp tools and cutting stems at an angle allows for better water absorption, ensuring that the flowers receive the necessary nutrients to stay vibrant and fresh.
  7. Bleach-to-Water Ratio:

    • Concept: The amount of bleach added depends on the size of the container.
    • Explanation: Adjusting the bleach-to-water ratio based on container size ensures an optimal concentration of bleach to effectively preserve the freshness of the flowers without causing harm.

In conclusion, watering cut flowers with bleach is a well-founded practice backed by the principles of water sanitation and floral biology. Following the recommended steps ensures that you maximize the benefits of this technique and enjoy beautiful, long-lasting flower arrangements. Feel free to ask local florists for personalized advice, as their expertise can provide valuable insights tailored to specific flower species and local conditions.

Watering Cut Flowers With Bleach - BloomNation Blog (2024)

FAQs

Does putting bleach in flower water help? ›

When microorganisms multiply in plain vase water, they block the flower stem and make it hard for the stem to absorb water for nutrients — causing wilt and odors! Adding Clorox® Disinfecting Bleach kills these microorganisms to ensure that your flower bloom lasts.

How much bleach to water for cut flowers? ›

Who would have thought that placing your flowers into water that contains bleach would be a good thing? Well, that is just the case. One-quarter teaspoon of bleach to one quart/liter of water is the correct ratio to protect your flowers. Some also recommend just a few drops for smaller bud vases.

Do you put vinegar or bleach in flower water? ›

Add bleach, vinegar and sugar to the water

The bleach acts as a germicide, killing any bacteria in the water. The vinegar (or lemon juice) keeps the vase water at a pH of 3.5, which ensures the water moves up the stems, and the sugar is plant food.

Does putting a penny in a vase help flowers? ›

The reason pennies are considered a smart way to keep flowers alive longer is because copper is a fungicide, so it naturally kills off those pesky bacteria and fungi that are trying to camp out in your flowers' vase and shorten the life span of your stems.

How do you revive flowers with bleach? ›

Here's a simple DIY flower food formula: Mix 2 tablespoons lemon juice, 1 tablespoon sugar, and 1/4-tablespoon bleach; add to 1 quart lukewarm water and add flowers.

What is the best water mixture for cut flowers? ›

Dissolve 3 tablespoons sugar and 2 tablespoons white vinegar per quart (liter) of warm water. When you fill the vase, make sure the cut stems are covered by 3-4 inches (7-10 centimeters) of the prepared water. The sugar nourishes the plants, while the vinegar inhibits bacterial growth.

How much bleach do I put in a gallon of water for plants? ›

Household, unscented bleach with a 5-6% chlorine solution can be added at the rate of 1/8 teaspoon per gallon (8 drops).

Why do you put sugar in flower water? ›

Adding white granulated sugar to the vase water will give flowers nutrients they need to continue growing and developing. However, an antibacterial agent such as vinegar should also be added to prevent bacteria growth which can make the water appear cloudy and interrupt the stem's water uptake.

Does bleach prolong the life of cut flowers? ›

How to Keep Flowers Fresh: Did you know? Adding Clorox® Disinfecting Concentrated Bleach to flower vase water keeps flowers healthy and last longer! When microorganisms multiply in plain vase water, they block the flower stem and make it hard for the stem to absorb water for nutrients — causing wilt and odors!

What makes cut flowers last longer? ›

Add a floral preservative or a small amount of bleach to the water. This will help keep the water clean and extend the life of the flowers. Display the flowers in a cool location, away from direct sunlight, heat, and drafts. Every few days, re-cut the stems.

What does aspirin do for cut flowers? ›

Aspirin: Mix 1 crushed aspirin into your vase of fresh flowers. Aspirin is said to lower the pH level of the water allowing it to travel through the flower faster, preventing wilting.

What is the penny trick on flowers? ›

Lacking those packets, there are several products as handy as your purse, kitchen and laundry room that will do the trick, too. Copper is a fungicide, so putting a copper penny in the water of your cut flowers helps keep yeasts and fungi from growing.

What is the longest lasting flower when cut? ›

We surveyed 20 flower experts to find out which flowers last the longest after being cut. From longest to shortest lived, here is the definitive list: Laceleaf (Anthurium) – 42 days. Chrysanthemum – 28 days.

What happens if you add bleach to flower water? ›

Bleach. Freshly cut flowers will last longer if you add 1/4 teaspoon bleach per quart (1 liter) of vase water. Another popular recipe calls for 3 drops bleach and 1 teaspoon sugar in 1 quart (1 liter) water. This will also keep the water from getting cloudy and inhibit the growth of bacteria.

Does putting sugar in water help flowers? ›

Adding white granulated sugar to the vase water will give flowers nutrients they need to continue growing and developing. However, an antibacterial agent such as vinegar should also be added to prevent bacteria growth which can make the water appear cloudy and interrupt the stem's water uptake.

What does chlorine do to flowers? ›

How does Chlorine impact my plants? The Centers for Disease Control and Prevention tells us plants are not harmed by water treated with chlorine. Most of us have been watering our plants with chlorinated water for years and they survive.

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