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  1. Real Simple
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  5. How to Keep Cut Flowers Fresh

How to Keep Cut Flowers Fresh

By Joyce Bautista
Updated April 28, 2015
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Credit: Alexandra Rowley
Real Simple tested common strategies―a drop of bleach, a penny, and so on―for lengthening the life of the tulip to find out what really works. 
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An Aspirin

Credit: Alexandra Rowley

The theory: Increases the acidity of the water, helping it move up the stem.

Day 1: One 325-milligram Bayer coated tablet is dropped into the water.

Day 4: Drooping and sad, these tulips don't look as if they'll last much longer. Another tablet goes in the water.

Day 7: Yikes! More than half the petals have fallen off. (See photo, left.)

The verdict: Painful. An aspirin a day may keep the doctor away, but not the florist.

Watch this quick video for more ways to extend the life of fresh flowers.

1 of 7

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Listerine Antiseptic

Credit: Alexandra Rowley

The theory:

Kills bacteria the way it kills plaque and halitosis.

Day 1: A capful of mouthwash is poured into the water.

Day 4: The stems are mostly upright and the tulips are beginning to open. (See photo, left.)

Day 7: This wild bunch seems to be heading in every possible direction.

The verdict: Not much to smile about.

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A Penny

Credit: Alexandra Rowley

The theory:

The copper can act as a natural antibacterial agent.

Day 1: A penny is added to the water.

Day 4: The flowers open and look a little droopy, but the dark tangerine color is still strong.

Day 7: The stems are heading in every possible direction, but the blooms have opened up in a fairly regular pattern. (See photo, left.)

The verdict: The flowers were slow to bloom, bloomed beautifully, then withered quickly.

3 of 7

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Bleach

Credit: Alexandra Rowley

The theory:

Prevents mold, which can kill flowers.

Day 1: A capful of bleach is added to the water.

Day 4: The stems are almost completely white. But the vibrant tangerine tulips are still erect.

Day 7: Still no mold, but the stems are now entirely white, and―like a white T-shirt that has soaked in bleach too long―the petals are yellowing. (See photo, left.)

The verdict: It's a wash. The flowers stand tall, but their color doesn't.

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Fresh Water

Credit: Alexandra Rowley

The theory:

Clean water will contain fewer bacteria.

Day 1: The ends are snipped by about 1/4 inch, as they will be every day. The vase gets fresh water every day, too.

Day 4: The stems are still relatively upright, and the blooms remain healthy.

Day 7: A few blooms are ready to be discarded, but with a little rearranging, the bouquet has life in it yet. (See photo, left.)

The verdict: Opened beautifully, but the petals dropped like flies after Day 4.

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Sugar

Credit: Alexandra Rowley

The theory:

Duplicates the sugar rush that occurs during photosynthesis. It can, however, promote bacterial growth.

Day 1: One teaspoon of sugar is added to the water.

Day 4: Except for one limp stem, things look pretty good. One more packet of sugar gets poured into the water.

Day 7: The flowers have burst open, and the petals are beginning to curl. (See photo, left.)

The verdict: Uneven blooming and splayed stems, but the flowers are mostly intact.

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Flower Food

Credit: Alexandra Rowley

The theory:

Contains a biocide to kill bacteria, an acidifier to help stems drink water, and a sugar to nourish the blooms.

Day 1: One tablespoon from a packet is mixed into the water.

Day 4: Has sucked up more water than any other bouquet. Opening so beautifully that another tablespoon of the flower food isn't added until Day 5.

Day 7: The full bouquet has a soft, dramatic droop and, though fading fast, still gets Best in Show. (See photo, left.)

The verdict: The winner of the bunch. (Flower food is available at florist shops.)

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1 of 7 An Aspirin
2 of 7 Listerine Antiseptic
3 of 7 A Penny
4 of 7 Bleach
5 of 7 Fresh Water
6 of 7 Sugar
7 of 7 Flower Food

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How to Keep Cut Flowers Fresh
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