So, I was pondering earth pony magic, and I wound up with these three OC’s. Clockwise, from the top right:  
Orchid: Cultivates orchids, and has a life orchid growing through her mane.  
Snapdragon: Botanist, breeds animate snapdragons, along with various other rare and magical plants.  
Wild Flower: Cheerful, wiith an overabundance of magic. Talent of cultivating wildflowers. Tends to cause any seeds she steps on to sprout.
 
Mechanical Pencil and Paint Tool SAT. Approx 6 hours.
 
MLP: FIM and associated characters are copyright of Hasbro.