Full sun is best for sturdy growth and prolific flowering. Columnar prairie coneflower ratibida columnifera other common name (s): · plant a mexican hat flower in the fall or spring for prolific summer and fall blooms. Tolerates very light shade but blooms thin out with less light. Choose a site with full sun, though it can tolerate slight shade. May be grown from seed, but will not flower until the second year. · these plants should be spaced one and a half to two feet apart. Prefers average, dry to medium, well drained soils. Grow this clump-forming perennial in groups within a meadow, cottage, or wildflower garden, or at the back of borders in sunny gardens. Intolerant of moist heavy clays. · the mexican hat flower is distinctive and known for its large cone and petals that form the shape of a hat. Growing well in full sun and well-drained soil, it is scientifically known as ratibida columnifera. Tolerates poor, rocky, or sandy soils and even clay if drainage is acceptable. This native wildflower will reach 3′ tall and produce red and yellow blooms for up to two months, attracting many bees. Easily grown in average, dry to medium, well-drained soils in full sun. We share our growing tips. Tolerates drought, light shade and somewhat poor soils. Let’s look at the steps needed to propagate this native species, as well as how to transplant potted seedlings. Long-headed coneflower mexican hat prairie coneflower phonetic spelling ruh-tib-ih-duh kol-um-nee-fer-uh description prairie coneflower is a rhizomatous herbaceous perennial native to the central usa in the daisy family (asteraceae).