This Lovely Multi-flowered Tulip Bulb Was Introduced In 1914. Its Vibrant Flowers Will Reappear Every Year. Unusually It Often Gets Taller As The Years Go By.‘botanical Tulips Is The Term Generally Used To Describe Selections & Hybrids Of The More Important Species & Its The One We Like To Use Too For Fosteriana, Greigii, Kaufmanniana & Praestans Tulips.flowers April.