“Veronica Mars” alum Jason Dohring has traded Hollywood for a hoe. “About three and a half [or] four years ago, I guess, like, [in the] COVID area, I got into gardening, and I was like, ‘Dude, this is so cool,’” Dohring, 44, shared on Thursday’s episode of the “Don’t Do Nothing” podcast. “I didn’t even notice COVID for months ‘cause I was in my backyard, just gardening and stuff like that. It wasn’t, like, a huge thing, but then I just got [a bigger] interest in it.” Since the lockdown, Dohring has built three farms and is proud of their output. “We’re just making great food for people ‘cause I really realized that people are getting…