Tolerates drought, light shade and somewhat poor soils. Intolerant of moist heavy clay.1
Seed can be wintersown from zone 3 and up.
Try to aim for a seed spacing of at least 5.94 inches (15.24 cm) and sow at a depth of around 0.25 inches (0.64 cm).Allow seeds to dry on plants; remove and collect seeds. Properly cleaned seeds can be stored successfully.2
These estimates for how long Mexican hat flower takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 5 days | Min 41 days | Max 41 days (1)
Average days | Min days | Max days (0)
Average 40 days | Min 40 days | Max 40 days (1)
Prairie coneflower, Upright prairie coneflower, Grey headed coneflower, Yellow coneflower, Red hat
Ratibida columnaris, Rudbeckia columnaris, Rudbeckia columnifera, Ratibida columnifera var. pulcherrima, Ratibida columnaris var. pulcherrima
Misspellings: Red Hats, Mexican Hat