Tulips: learn general facts, growing tips, lifestyle and design uses. Widely considered the most popular flower in the world, tulips mean it is undeniably spring. Tulips are perennials that range from 4 inches to 2 feet and come in a vast array of colors. Plant bulbs in October or November and water moderately. Tulips need partial to full sun. Tulips do well in borders, pots and windowboxes. Tulips make great cut flowers, adding a splash of color to a room and lasting from 3 to 10 days.