Castello™ Pom Pom Yellow Coreopsis

Castello Pom Pom Yellow is a compact, upright tickseed selected for its large, fully golden-yellow blooms. Its dense branching and long flowering season bring a bright display to beds and containers. ## Appearance Syngenta identifies this selection as Coreopsis grandiflora Castello Pom Pom Yellow, product 70070494. The plant is upright and grows about 18–24 inches tall and 16–20 inches wide. Its large yellow flowers appear from mid-spring into fall. [Syngenta cultivar profile](https://www.syngentaflowers.com/ams/product/flower/70070494) ## Growing conditions The breeder lists full sun, heat-loving growth, and hardiness zones 5a–9a. The profile also identifies it as pollinator friendly. Plant in well-drained soil and water during establishment and extended dry spells. [Coreopsis growing guidance](https://plants.ces.ncsu.edu/plants/coreopsis-grandiflora/common-name/largeflower-tickseed/) ## Uses Its upright, densely branched shape is suited to small and medium containers as well as sunny borders. The golden flowers work well in repeated plantings and pollinator-friendly beds. ## Maintenance Remove spent flowers to keep the display tidy and encourage additional bloom. Avoid poorly drained soil, which can shorten the life of tickseed.