Tall coreopsis (Coreopsis tripteris), also known as tall tickseed, is—as you may guess—tall, topping out at anywhere between 4 and 8 feet, depending on the growing conditions. The slender stems tend to be prone to sprawling; shearing them back by 1/3 to 1/2 in early summer promotes the development of somewhat shorter, bushier stems. Bright yellow, dark-centered, daisy-form flowers bloom from mid- or late summer to early fall. The flowers of this U.S. native attract a wide range of insects, and the seedheads are favored by birds. The fall foliage color—usually shades of red—can also be quite showy. Be aware that tall coreopsis can spread by long rhizomes, particularly in good garden soil, and can crowd out less-vigorous companions; therefore, it’s best enjoyed in a meadow garden, or in large, naturalistic border with ornamental grasses and other equally sturdy perennials. Full sun. Zones 4 to 9.
Collected in September 2022. At least 20 seeds. Unknown ecotype.
Please read the germination information as well before ordering.
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