Coreopsis Not Flowering. Then level and smooth. Sunfire is an obligate long-day plant absolutely requiring long days for it to flower.
25042021 As with many native plants coreopsis care is limited to occasional watering during extreme drought along with the deadheading and trimming described above. Coreopsis plants prefer dry poor soil and tend to sprawl -- flop over and open up at the center -- when given too much of a good thing. In summer and early fall a profusion of starry rosy-pink flowers up to 1 in.
In frost free areas sow from fall to early spring.
Coreopsis doesnt like a lot of water or fertilizer. Most coreopsis cultivars have an obligate cold requirement for flowering but Sunfire does not and will readily flower without a cold treatment. A white powdery substance appears on the upper side of the leaves. Coreopsis do the best in full sun but they will tolerate partially shaded locations.