I was supposed to be working, but there was a thing going to draw yourself as a pokemon trainer, and...well...
Poke-verse Ursula is a gardener who grows Grass-type pokemon in an effort to attract provide rare Bird and Insect types with a safe haven during migration. (That these occasionally chew holes in the Oddishes is, after all, the reason she grew them in the first place. Fortunately Oddishes respond well to pruning and many sport punk haircuts as a result.)
She writes a regular gardening column "Beyond Butterfree: Habitat Gardening For Less-Charismatic Pokemon."
She is prone to collaring strangers at parties to inform them that Tall Grass has declined in the last century to unsustainable levels. "Do you realize that less than 5% of Tall Grass remains untouched in this country?" she cries, brandishing her mojito. "If something isn't done to stop habitat loss, wild Pokemon may become something only seen in zoos!"
(She will also tell you things about the mating habits of Gyrados that you were probably happier not knowing. It's best just to nod and back away slowly. Depending on the number of mojitos involved, there may be hand gestures.)
When not documenting the migratory habits of Mothim, she occasionally goes off to watch Bird-types, accompanied by her faithful Quagsire, Quag-Bob.