Thanks for the link Terry. I was just afraid that the link pertains to the African Tortoise. I read in one of the posts or Tortoise books (not sure) that a plant/flower that may work for one type of tortoise may be toxic to another. Hence my apprehension.
In general if a flower is safe for one tort species it is usully safe for all tort species, now whether or not they will eat it is another story.
I see you have a RF mine likes hibsicus and mandeville flowers.