Bulbous Perennial Herb: Deciduous. The chartreuse flower spikes hold white flowers & then colored seed pods - very colorful. The flowers resemble pineapples. Long lasting cut flower & good pot plant. Flowers have a 6 week vase life! Attracts butterflies. Blooms: summer. Ht: 15-20". Exposure: sun/part shade. Moderate water during growth & bloom. USDA Z6.