Coreopsis tinctoria (Plains Coreopsis) [25 Seeds]


Germination Information: If you want to get a very early start, you could sow the seeds indoors in late winter to mid spring, pressed into the surface of the growing medium, in a warm, bright place, then transplant the seedlings outdoors after all danger of frost has passed. I find it’s just as well to sow directly in the garden (in loosened soil, right where you want the plants to grow) any time from late winter to late spring.

Note that this information will not appear on the seed packet you receive,

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The first time I grew plains coreopsis (Coreopsis tinctoria), from a single plant sold in a 4-inch pot, I was distinctly underwhelmed. It was spindly and tall—well, until it keeled over just as it started flowering—and overall effect was sad and messy. I had forgotten about that disappointment when I bought a packet of it this year, and I’m so glad I did! This time, I sowed the seed directly in the garden, which produced a nice-sized patch of stronger plants that wove together to help hold each other up, creating an airy haze of green, topped with a cloud of bright yellow, dark-eyed blooms from midsummer to frost. They did still sprawl a bit after some windy weather—next year, I plan to put some sort of cage around the patch—but the plants didn’t mind at all when I cut them back a bit to tidy them up, reducing the overall height from about 4 feet to 3 feet and encouraging even more flowers to form.

Despite their height, the plants are open enough to allow nearby plants to get light too, making them a great choice for filling space between developing perennials and shrubs for the first year or two, while you’re waiting for a border to fill in. Plains coreopsis is also known as dyer’s (or dyers’) coreopsis, because the flowers can be used to make a yellow, orange, or red dye. This sun-loving, western US native is generally grown as an annual, though the plants may live and bloom another year or even two in some sites. Plains coreopsis can also self-sow freely, appearing in the same general area year after year, for a while at least.

Harvested in September and October 2022. At least 25 seeds. Ecotype unknown.

Please read the germination information as well before ordering.

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