“HART OF DIXIE” — (9:00-10:00 p.m. ET) “Snowflakes & Soulmates” (TV-PG, L) (HDTV) LAVON’S PARENTS (GUEST STARS ERNIE HUDSON AND VALARIE PETTIFORD) VISIT BLUEBELL — Zoe Hart (Rachel Bilson) is thrilled to see snow in Bluebell, but the rest of the town is superstitious that it will bring bad luck. When Lavon’s parents (guest stars Hudson and Pettiford) make a visit to Bluebell, Lavon thinks it’s the perfect opportunity to introduce them to Didi (Nadine Velazquez), but the introduction doesn’t exactly go according to plan. Lemon (Jaime King) and George (Scott Porter) make a big decision about their future. Andy Wolk directed the episode written by David Babcock (#115).