It's tulip season and even if the critters or the weather won't let you have tulips in your garden, you can still have bouquets in the house. If you've ever had a vase full of tulips, you know how entertaining they can be as they twist and contort a little more each day. That's because tulps continue to grow, even after they've been cut. Here are some tips from the Netherlands Flower Bulb Information Center, to help you get your tulips under control.