Doc tells Jeb to drive Hester Sue home, but the hotel is right across the street from the doctor's office.
When Laura takes the baby from Mr. Stark, the baby's leg sticking out from under the blanket is clearly plastic, revealing that it's a doll and not a real baby.
At 33:40 when Laura picks up Rose you see the baby's leg for a split second and you can tell it's a dolls leg.
The pink flowering bush to the right of the church steps is a poisonous oleander. They do not grow in Minnesota.