Chelsey™ Yellow Chrysanthemum

Chelsey™ Yellow is a yellow-flowering garden mum in Syngenta Flowers’ Chelsey series. The exact breeder listing identifies its fall flowers, gives garden dimensions of 30–40 cm by 30–35 cm, and lists several container sizes. ## Flowers and seasonal use The [Syngenta Chelsey Yellow profile](https://www.syngentaflowers.com/apac/product/flower/70038562) identifies color variety Chelsey Yellow, product 70038562, with yellow flowers and fall flowering. It includes the cultivar under Chrysanthemum morifolium and recommends small, medium, and large pots. Its descriptive paragraph refers to the Cheryl family despite the Chelsey product heading, so the product-specific details are used here and the mismatched family prose is not applied to this selection. ## Size and growing conditions Syngenta lists a garden height of 30–40 cm and width of 30–35 cm, approximately 12–16 inches high by 12–14 inches wide. [NC State Extension](https://plants.ces.ncsu.edu/plants/chrysanthemum-x-morifolium/common-name/mum/) describes garden mums as mounded perennials, generally 1–3 ft tall and 1–2 ft wide. It recommends full sun, well-drained soil, and afternoon protection in warmer locations; too much shade can cause sprawling growth. Syngenta’s product listing marks exposure as sun or shade. ## Maintenance Use well-drained soil and maintain good light for compact growth. NC State recommends cutting garden mums back during spring and summer, with the final cut around mid-August, to encourage branching and prevent spring flowering. Overwintering needs vary by climate, and the breeder does not list a hardiness zone for this exact product.