Yes the Glad or Sword lily is a Perennial Herb
While they are blooming just take the dead flowers off (sort of like gladiolas.) When the stock is totally dead just snip the stop as far down as you can to tidy things up.
"Glads" can be an abbreviation for "gladiolas."
A bud vase would be ideal for a larger amount of gladiolas.
Any vase over eight inches tall will be great for gladiolas, which require a deeper than normal vase.
Gladiolas
She throws gladiolas.
For cut flowers cut them when the first floret opens.
it is perennial
A perennial is a perennial no matter where it is grown.
Perennial
perennial
Perennial