18" x 24" (cutting propagated) *1993 Perennial Plant of the Year. *Developed from our fine native thread leaf coreopsis, "Moonbeam" is a carefree variety with fine thread-like foliage and pale yellow flowers that cover the plant all summer. Performs best in compost enriched soil, with soil sulfur added to keep the foliage nicely green. It is late to wake from winter dormancy, so be patient. Note that "Moonbeam" is shipped dormant in early to mid spring. Zones 3-9.