Gardeners

3 clues
Horticulturists
Contrary Mary et al.
Contrary Mary and others
Similar answers:
Agard
Agardenin
Alephgarden
Asgard
Asregards
Avagardner
Avantgarde
Avantgardeeater
Avantgardejazz
Avantgarderococotramp
Avasgardner
Awakeners
Beauregard
Beergarden
Bestregards
Bogarde
Bostongarden
Cannesopeners
Cannyopeners
Canopeners