500seeds/gram
Latin name：Coreopsis grandifora
Commonly called tickseed or pot of gold. Sunny blooms throughout the gardening season.Colors of petals include red, pink, white and yellow, many with dark brown or maroon centers, which makes an interesting contrast to the petals.
Seeds of coreopsis plants need light to germinate, so cover lightly with soil or with perlite or simply press seeds into moist soil.
Coreopsis plants may also be started from cuttings from spring to mid-summer.
As with many native plants, coreopsis care is limited to occasional watering during extreme drought, along with the deadheading and trimming described above.
Fertilization of growing coreopsis is not needed, and too much fertilizer may limit flower production.
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