Historical clue formulations

• Plant in subsequent seasons — 2014-02-22
• Plant more crops in — 2013-03-30
• Disperse again — 2012-06-23
• Plant anew — 2011-12-28
• Make seedier? — 2010-03-13
• Plant again — 2003-06-08
• Plant twice — 2000-02-24
• Go to seed again? — 1998-08-26
• Plant again — 1998-06-01
• Foment anew — 1996-05-04
• Plant anew — 1995-08-13
• Plant again — 1994-08-28
• Plant seeds again — 1994-05-10