Not going to be a good choice for you, unfortunately - too hot, too dry, too alkaline a soil. And virtually impossible to grow successfully indoors.

It is not out of reason that a florist could obtain some in bloom for wedding flowers but growing a plant yourself as an ongoing reminder is not going to be very practical.

Gardengal48,
Thanks. I guess she and I will have to go with choice 2 for the plants; calas with a few sprigs of the heather. We are both originally from the New England area and I knew it grew there, just didn't realize that it couldn't be grown indoors here.

I'm sorry I couldn't offer the answer you were hoping for :-( As a good rule of thumb, plants which grow outdoors happily in the northern hemisphere - like the heather - make terrible houseplants. They dislike indoor conditions because they offer insufficient light, too low humidity and too even temperatures (no distinct seasons or dormant period for vernalization). They typically dry up and die in just a matter of weeks.