A video production company, a lavender farm and a custom watercolor stationery company have earned cash prizes for starting up new enterprises in the past year. They are the winners this year in the Startup MHC program, announced Wednesday in a ceremony at the Martinsville Municipal Building. Each received cash for a specified need and access to the Martinsville-Henry County Chamber of Commerce’s support systems for new businesses. Kendall Davis, who has a videography advertising and social media marketing company, BAG Productions, received $6,921.46. Carolyn Byrd, owner of Imagination Lavender Farm in Dyer’s Store, won $3,500, and Ashleigh Pritchard, an artist who paints pet portraits and stationery through CharmCat, won…