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Making the Cut.... home made flower preservative.


 
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James Kilkelly
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Joined: 30 May 2006
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Location: West of Ireland

PostPosted: Wed May 02, 2007 5:15 pm    Post subject: Making the Cut.... home made flower preservative. Reply with quote

Making the Cut.... home made flower preservative.
By Lane Greer

If you're like me, you enjoy wonderful cut flowers from grocery stores, however, some cut flowers don't offer packets of preservative with every sale. Why are preservatives important?

They can add days to the life of a bouquet - sometimes even doubling the vase life. If your latest flower purchase doesn't have that "plant food" packet attached, don't worry. There are some easy home remedies that work well to make cut flowers last longer.

A good preservative needs three things: something to lower the pH of tap water (called an acidifier), something to kill bacteria and sugar (yes, plain ol' table sugar). Commercial preservatives usually contain these ingredients, in varying formulations.



For an acidifier, citric acid is readily available and cheap. It's present in citrus fruits (like lemons, limes and oranges), but these juices color the vase water. Lemon-lime beverages such as Sprite® and 7-Up® are colorless and contain not only citric acid, but sugar, too (don't use the diet forms!), so you can kill two birds with one stone. What's more, you can even use these beverages after they've gone flat, since carbonation is not important in maintaining flowers.

To mix, fill half the vase with water and half with Sprite or 7-Up. The only problem with this recipe, though, is that there is no bactericide, and sugar encourages bacterial growth. One way to handle this is to change the vase water often (every other day or so). My colleagues and I tried adding bleach to the mixture, but this wasn't effective (bleach pushes pH back up).

Adding a lemon-lime beverage to your vase water is probably the easiest way to go. But what about other possibilities? We tested lots of common household items: aspirin, vinegar, bleach, lemon juice - even Listerine® mouthwash! We found that the results depended on the initial pH of the tap water used. In many places, normal pH is around 7.0, and anything that brings pH down is somewhat helpful. So aspirin, small amounts of vinegar and lemon juice were beneficial. In water with naturally lower pH, however, these didn't work. We had pretty good results using 2 tablespoons lemon juice, 1 tablespoon sugar and ½-tablespoon bleach, but the water turned cloudy. (And don't use Listerine - it actually killed flowers in two days!)

When you can, get packets of preservative, since they're specially formulated to make flowers last.




Looking for Flower food in Ireland, then you should be able to source some here...... Flower food

Looking for Flower food in the United Kingdom, United States, Canada, or Australia, then you should be able to source some here......

But when you can't, try a simple at-home recipe, and enjoy your flowers longer!

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Last edited by James Kilkelly on Fri Feb 19, 2010 6:41 pm; edited 1 time in total
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LilRose
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PostPosted: Mon Mar 31, 2008 8:40 am    Post subject: Reply with quote

Wow, thank you so much for the advice. Finally someone figured it out. I don't know how many florists had asked but nobody came up with something like this. Who would have thought that Sprite can be that useful Smile

Thank you again for this guide.

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