This is the time of year I love - when the lilacs start blooming! I love to cut them and fill my house with their wonderful aroma. Problem is how to keep them fresh for more than just a few days! I've used the soda in the water trick and that helps some but here are 8 Pro Tricks that make flowers last longer. I'm gonna try the one with the vinegar and see if that works...here's to my house smelling like lilacs!