Coreopsis Leavenworth (Coreopsis leavenworthii)

I do well in the sun.

I have average water needs. 
  
Size:     1.5 - 3 ft tall x 0.5-1 ft wide

​Bloom Time: Spring, Summer, and Fall                    

Price: $5.99 (1 gal)
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​I am a lovely reseeding annual or short lived perennial for your wildflower garden or meadow. Not only do I attract many butterflies, but I am also a source of nectar and pollen for honeybees, native bees, and wasps.
Little fact: I am the state wildflower!

https://fnps.org/plants/plant/coreopsis-leavenworthii