How to Tie Dye Flowers with Osmosis

By leveraging the very building blocks of plant biology, you can easily make your very own beautiful tie dye flowers. Watch the video and try it for yourself! Don't forget to subscribe for more craft tutorials and DIY videos.
SUPPLIES
- However many fresh white flowers you would like (we recommend roses and lilies from your local grocery store)
- A set of food-safe food coloring (we used and recommend this pack of red, blue, green and yellow)
- Several glass cups, jars, containers, etc. (glass so you can see your colors, but not required)
- Cutting board and thin cutting knife
- A pitcher of water
DIRECTIONS
- Dry the stems of the flowers you have selected for dyeing
- [Optional] Leave the flowers out of water for 30-60 minutes before the experiment so that they are particularly thirsty. This step will slightly reduce the time they need to sit in the water.
- Cut the stems of your flowers to the desired height, and keeping in mind that they will need to be able to comfortably sit in the water containers you have selected. If you have shorter containers, you may need to cut your flower stems shorter.
- Separate out your flowers between single color, two color, three color, and four color. Then for each set of flowers past single color carefully split the stems into corresponding halves, thirds, or fourths. Use as thin a knife as possible, and do your best to evenly split the stem without scraping the xylem inside.
- Fill your glass containers with the different colors. Be generous with how much food coloring you put into the water so that you get deeper colors to show on the petals; in fact don't be shy about dumping all your food coloring into each container. You can mix colors (i.e. red+yellow=orange) which should work well. If you split a stem and put half in red and half in yellow you will also see some orange emerging amidst the clearly yellow and red, but not as much as if you had mixed the orange ahead of time.
-Now place the stems of all your colors into the different colored containers as you'd like to see them colored. We prefer a nice mix of everything.
- Now you wait. Some color should start emerging after the first hour, and after 24 hours you probably will have considerable color effects. We stopped after 24 hours as we loved the tie-dye effect it produced, but you can leave the flowers in longer and see what happens.
-Place your tie-dyed flowers in a vase of fresh water (no food coloring), add some flower food mix if the store gave you any, and enjoy them as long as they last. Our tie dye flowers survived just as long as some plain white flowers that we used as a control group, and we do not believe that the dye has any effect on their lifespan.

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Thats not osmosis