22-Day Cycle of Twist-Leaf Yucca (Rupicola)

This yucca was the first one I'd been able to take daily pictures for its entire 22-day cycle, April 28 through May 19. All previous twist-leaf yuccas (rupicola) didn't survive. Deer chewed off stalks and blooms within four days of bloom beginnings. Read the entire article and comment there, please.