Most of the commercially grown tulips sold in the US come from Holland. In a sunny, protected spot some of the species bloom as early as February. Tulips come in all colors except blue. Uses Tulips are beautiful planted in clumps of at least ten of one variety in spring borders and among foundation plantings, but they are most often massed in formal beds. The compact kaufmanniana tulips are often used in rock gardens .
All varieties are good for cutting .
Tulip fanciers treat the bulbs as annuals, digging and discarding the current season's bulbs and replanting new stock each fall. This guarantees top-quality blooms each year. The beds are filled with annuals in the summer. Cutting and Forcing Tulips make great cutting flowers. Darwin hybrids can be harvested when half the bud is colored and half is green.