How to Use Hydrogel in a Vase with Fresh Flowers

Written by meg butler
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How to Use Hydrogel in a Vase with Fresh Flowers
Fresh-cut flowers do well in hydrogel. (Anna Yu/Photodisc/Getty Images)

Hydrogel is comprised of polymer moisture crystals. These crystals absorb large amounts of water for their size. Once fully saturated, they release their water slowly over a period of time. Hydrogel is most commonly used to increase the water-retentive ability of garden soil. However, it can also be used with fresh-cut flowers. Vases filled with hydrogel have unique aesthetic appeal. If the vase is clear, consider saturating the hydrogel with water coloured with food colouring for added pop.

Skill level:

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Things you need

  • Vase
  • Water
  • Hydrogel crystals
  • Flowers

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  1. 1

    Fill a clean empty vase with approximately the amount of water you desire.

  2. 2

    Pour the water into a measuring cup to identify how much water is being held by the vase.

  3. 3

    Add the water back into the vase.

  4. 4

    Pour the appropriate amount of hydrogel for the amount of water in your vase slowly. The appropriate amount will be found on the hydrogel's packaging; it is usually 14.8ml per 2 quarts of water.

  5. 5

    Stir the hydrogel, then leave the gels to completely absorb the water.

  6. 6

    Add the fresh flowers to the vase when the water has been completely absorbed.

  7. 7

    Re-hydrate the hydrogel as it shrinks by adding small amounts of water a few hours at a time to bring it back to its original volume.

  8. 8

    Rinse the hydrogel with clean water if it becomes cloudy. Once the crystals are clean, replace both them and the flowers into the vase.

Tips and warnings

  • Keep your vase with hydrogel out of direct sunlight, as it can shorten the lifespan of the crystals.

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