Translation:The flowers are dead. They were not cheap.
I think what you are hearing here is a reduction of "iad" to a "t" sound, sort of like "Cha robh' t saor."
Similar English words:
bat (baseball) and bat (small flying mammal)
wind (blowing in the wind) and wind (wind up the clock or wind down the party)
compact (small in size) and compact (make up container) or compact (verb meaning to reduce in size)
"fair" weather, art "fair" in the summer, and grades that are "fair"
to "lie" down or to tell a "lie"