The environmental factors and changes of Quel'Thalas and the surrounding regions has had a profound impact on the local flora, including even the humble Peacebloom. It is still a staple of local crafting and is utilized in a wide variety of recipes, and a recent strain that has adapted to those changes has been dubbed Tranquility Bloom. Herbs that have had plenty of resources (or some magical assistance) to grow and thrive beyond their normal means. Gathering them yields more resources than normal.