While doing the research on glowing that led to our creation of Safe and Edible Glow Water, I happened across a photo of a glowing flower. The person had painted it with glow in the dark paint, but it got me to thinking - could I do the traditional science experiment where you change the color of the flower by soaking it in dye?
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So I bought several white flowers and we set half of the flowers in tonic water and the other half of the flowers in a concentrated glass of our Glow Water. We let them sit overnight and S and I excitedly checked the next morning with our blacklight ..but nada. Bummer. I decided to do a Google search to see if anyone had successfully made glowing flowers (other than by painting them) - because maybe it just couldn't work - and found this article on About.com. Interestingly they list soaking the stem of the flower in tonic water as a way to make a flower glow. We tried that method yet again and even tried using different flowers, but we never could get soaking the stems in tonic water to produce glowing flowers for us.
However, we did have success with two of the other methods listed in the About.com article. The flowers below are mums and I soaked the flowers (upside down - I wrapped the stems with a damp paper towel) in our Glow Water for two hours. The article claims that the petals absorb the glowing water/dye - but it looked a lot more like it just sits on the petals and ultimately dries. Either way, it totally worked and made gorgeous flowers. They are still thriving and glowing three days later.
These next flowers were made by the soaking method as well, only we soaked these upside down in tonic water .
Here's a closer look at a tonic water soaked mum. I love the galaxy effect it gives - don't you?
The next method we used was soaking them in highlighter water. We tried several different color of fluorescing highlighters - but only the traditional yellow dye was absorbed. It created long streaks of glowing color on both the daisies and the mums. To make the highlighter water, I smashed the pen open with a hammer and pulled out the center (in ours it was a cotton cylinder soaked with dye). I ran water through it and squeezed out the dye. The more concentrated you can make the highlighter water, the brighter the resulting flowers. The highlighter water flowers are also doing well after three days.
After soaking overnight, we selected two of our mums that had been treated with highlighter water and split the stems open in the light. We then looked at the inner stem under the blacklight and it lit up! We could clearly see the highlighter dye traveling up the stem (I learned the cool trick of looking inside the stems from Momtastic's post on coloring flowers with food coloring). I really loved that it was a bright glowing visual example of how the plants "drink" and transport the water and dye up to their leaves and flowers.
We traced the path the dye takes from the bottom of the flower up through the base leaves and out into the petals. It was really neat to see it illuminated like this!!!
And because little hands just love to dissect flowers, S got to choose a few flowers to deconstruct. I laid them on white paper so she could see the plant parts more clearly.
After that I invited her to make some art with the various flower parts by laying out some contact paper sticky side up.
Once she was done, we had to see the glowing version of her art.
It made a beautiful suncatcher in regular light as well.
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All activities here are activities I feel are safe for my own children. As your child's parents/guardians, you will need to decide what you feel is safe for your family. I always encourage contacting your child's pediatrician for guidance if you are not sure about the safety/age appropriateness of an activity. All activities on this blog are intended to be performed with adult supervision. Appropriate and reasonable caution should be used when activities call for the use of materials that could potentially be harmful, such as scissors, or items that could present a choking risk (small items), or a drowning risk (water activities), and with introducing a new food/ingredient to a child (allergies). Observe caution and safety at all times. The author and blog disclaim liability for any damage, mishap, or injury that may occur from engaging in any of these activities on this blog.