Flower shops across Connecticut saw a surge of customers Sunday as families celebrated Mother’s Day, including one Hartford business experiencing the holiday rush under new ownership for the first time. At House of Flora in Hartford, owner Elizabeth Farrell is no stranger to flowers. “I actually have a four-year bachelor’s degree from UConn in horticulture. My dad has the same exact degree. So it’s a family thing,” Farrell said. Farrell has owne…