Northern Catalpa tree flowers

We have very large Catalpa trees. When they flower and heavy rain or winds come through, large clusters of the flowers fall. I know I can’t save the individual flowers that fall, but the clusters with small stems I’d like to gather and put in water. However, when I do this, the flowers don’t flourish like other flowers when put in water and die within a day. Is this just something I can’t do or am I doing something wrong? Seems such a shame that they can’t survive a few days in water.

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1 Comment To "Northern Catalpa tree flowers"

#1 Comment By drtreelove On 06/10/2018 @ 2:03 am

Here’s an article with some tips you might consider:

https://www.gardeningknowhow.com/ornamental/flowers/fgen/flower-food-for-cut-flowers.htm ^[1]

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