At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
- "Well Georgina, a combination of my famous Rejuicing and Regerminating potions ought to do the trick. Six drops of the red Rejuicer followed by three drops of the green Regerminator will be the breath of life to a plant beyond the reach of blackmail."
- — Tilden Toots responding to a letter from Georgina Smyth on his radio programme[src]
The Regermination Potion was a potion produced by famous Herbologist and Potioneer Tilden Toots that forced a plant to germinate. Three drops of this potion (combined with six drops of Toots's Rejuicer) were sufficient to revive a dead Flitterbloom.
During the 1989–1990 school year at Hogwarts School of Witchcraft and Wizardry, Professor Severus Snape taught his sixth-years how to concoct this particular brew in Potions class after Professor Pomona Sprout ran out of it.