Currently doing a game where I'm leaning into nature and I just recently unlocked Enchanted Bloom. I already had Create Forest from the Tome of Glades and has spent quite some mana growing forests everywhere in my domain, and comboed this with leafskin so that my armies can hide/move quickly in forest tiles. Now enchanted Bloom is turning provinces into grasslands, but when it does it destroys the forest tiles (even though it doesn't remove "Forest" from the province) leaving things like the attached screenshot in its wake.
I'm trying to bring verdant life to this desert and build a wooded utopia for my people, why is the grassland terraforming destroying my forests when there's no reason it couldn't just have both? As an example, in the second screenshot is a province that Enchanted Bloom converted first, then I used Create Forest, which is what I want everywhere.