Will my hydrangeas come back?

Will my hydrangeas come back?

They look so dead. We've had two slushy, icy storms and my three bushes look pretty much like brown, shriveled sticks. In other, happier plant news, here's my new and newly re-potted cactus window garden.
Some Apartment Pictures

Some Apartment Pictures

Down By The Gardenside

Down By The Gardenside

Bugs in my dirt!

Bugs in my dirt!

My room, lots of pics

My room, lots of pics

UFO

UFO

My tiny apartment!

My tiny apartment!