Parent: Coreopsis grandiflora
Zones: 4 to 9
Size: To 20" tall
Growth Rate: Moderate
Bright yellow semi-double flowers from May through August (deadhead for more flowers). Upright clumping form. Dry soil, well-drained.
I purchased a 1-gallon plant from Layman's in September 2010 and planted it in the One Of Everything garden. It did very well and produced a nice rounded clump but was getting too wet from being close to the sprinkler so I moved it to the Berm On the Border in summer 2011. It struggled through the autumn but returned, albeit smaller, in spring 2012.