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How to Inject Dye Into Rose Stems

Dyeing flowers and roses has long been a favorite way for florists to draw attention to unusual specimens. It can also be an interesting science project, which helps students understand the vascular system of plants, as well as a way to preserve plants that tend to fade when they are dried. Most people simply add food coloring to the water of cut flowers. When this is done, the plant draws the dye through its stems, which changes the color of the flowers; however, many people fantasize about changing the color of living flowers. References to injecting flowers with dye date back to the 12th century Islamic texts, in which there are a few references to using needles to inject dye into living plants to change the color of flowers of living and growing plants, a method recently perfected for the "Blue Mystique" orchid. Many contemporary methods, however, are proprietary and patented. They may also kill the plants. For this reason, two methods for dyeing flowers are presented -- a risky and experimental one using hypodermic injections, and a common one using food coloring.

Things You'll Need

  • Cream-colored roses with the buds still tight
  • Low-salt plant dye or food coloring
  • Hypodermic needles
  • Vase
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Instructions

  1. Injecting Your Plant

    • 1

      Choose a dye that is based on natural products and is low in salts to lessen the risk of toxicity to the plant. Prepare dye according to the manufacturer's instructions. Dip the tip of the syringe in the dye and pull the plunger up to draw in the dye.

    • 2

      Locate places to inject the plant with the needle. Select areas where the stem is soft and able to be pierced with the needle. Water in a plant travels from the ground through the roots, up through the stem and branches and into the flowers and leaves where it evaporates. Because this path is mostly one-way, select injection sites that are very high on the stem and close to the bud. This way, if the dye turns out to be toxic to the plant, it won't kill it.

    • 3

      Inject the dye directly into the tight bud, which minimizes risk to the plant. This may "marinate" the flower in dye. Doing this can give you the impression the flower has bloomed in that color -- if it doesn't kill the flower.

    • 4

      Fill the needle with a very small amount of dye -- less than a milliliter. Inject the dye into the plant. Monitor for signs of death.

    Injecting Cut Flowers

    • 5

      Gather a bunch of cut flowers. White flowers work best and are easiest to dye.

    • 6

      Fill a vase with water.

    • 7

      Add pure food coloring or dye.

    • 8

      Place the flowers in the vase. The flowers should change colors in 12 to 24 hours.

    • 9

      Experiment to create dazzling displays by splitting the stem across its length. Dip each half in a different color dye to create a flower with more than one color.

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Next:

Rose Garden
  1. How to Make a Presentation Bouquet
  2. How to Dye an Artificial Flower
  3. How to Grow Longer Stems on Plants
  4. How to Inject Roses With Dye
  5. How to Dye Fake Flowers
  6. How to Arrange Flowers & Roses
  7. How to Cut Hydrangeas for Cut Flowers
  8. Lessons on How to Arrange Flowers
  9. How to Arrange Very Short-Stemmed Flowers
  10. How to Do Floral Bouquet
  11. How to Dye Leaves on Indian Hawthorn
  12. How to Cut Rose Hip Flowers

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