New York Chef Flynn McGarry spent his summer preparing to launch a highly anticipated fine-dining restaurant called Cove, which opens this month on Houston Street in West SoHo. “On Friday, I was out here literally cutting lobsters open on FaceTime,” he said, “being like, ‘Put the tile there.’ ”Dishes from McGarry’s former restaurant, Gem Wine. Courtesy of Flynn McGarryIt was a Saturday in July, and McGarry was walking through Isabella Rossellini’s 28-acre Mama Farm in Brookhaven, through the pens of chickens and cows and chirping birds. Rossellini, who founded the farm in 2013, invited McGarry to set up shop on her property in March after befriending him at Gem, his former restaurant in the city. “There’s trees, there’s water, it’s everywhere,” he said.