what’s the deal with dahlias?

what’s the deal with dahlias?

My daughter bought dahlia plants for me for Mother's Day. Being in Zone 7 on Long Island are these guys annuals? Can I dig them up and keep them indoors for the fall/winter? Any tips or tricks to keep the big flower heads aloft? Right now they are cute and little, fresh out of their cell packs.
My 1BR in St. Louis, MO

My 1BR in St. Louis, MO

HOME GOODS

HOME GOODS

Iresine and Ipomoea

Iresine and Ipomoea

Finally!

Finally!

Grocery List Help

Grocery List Help

Why am I awake at 2:45am?! :(

Why am I awake at 2:45am?! :(