I never heard of a watering trench around Roses or Gardenias......My Gardenia is at the florist to see whats going on with it.
Rosebush got dug up..........
Bernice i'm in Central NY very harsh winters we have.
(hide) If you don't want other users to know what you are doing you can change into cloak mode in Settings (paying members only). (pauloaguia) (show all tips)