Bulbous Perennial Herb: A popular variety and said to be the best yellow. Has large, cup-shaped blooms on sturdy stems that tolerate wind and rain. Good in borders, containers, mass plantings and as a cut flower. Bloom time: spring. Bloom color: primrose yellow exterior with faint orange flames and canary-yellow interior. Height: 12-18 inches. Exposure: sun/part shade. Water: moderate. USDA Z3-8.