Historical clue formulations

• Dividing shrub — 2018-09-01
• ___ Drive (street where Harry Potter grew up) — 2016-05-29
• Hedge shrub — 2013-09-29
• Shrub often used to mark a boundary — 2005-01-01
• Evergreen hedge — 1998-03-12
• Yard border — 1996-06-08