Whistler™ White Iberis

Whistler™ White is the white selection in Syngenta’s Whistler Iberis sempervirens series, identified by product code 70074172. Syngenta describes the series as an early-flowering F1 hybrid and lists this selection as mounded, 20–25 cm tall by 30–40 cm wide, with hardiness Zones 4–9. [Syngenta Flowers](https://online.flippingbook.com/view/308392983/34/) ## Landscape Use The species has evergreen foliage and white flower clusters, with NC State describing early-to-late-spring bloom. Its guidance lists candytuft for groundcover, borders, walkways, containers, and pollinator gardens; Whistler’s compact dimensions also suit patio pots and narrow edges. [NC State Extension](https://plants.ces.ncsu.edu/plants/iberis-sempervirens/) [Syngenta Flowers](https://online.flippingbook.com/view/308392983/34/) ## Growing Conditions Choose a full-sun site for the best flowering. NC State says Iberis sempervirens tolerates light shade and prefers well-drained soil that stays moist to slightly dry, with neutral-to-alkaline pH; avoid wet or poorly drained spots. [NC State Extension](https://plants.ces.ncsu.edu/plants/iberis-sempervirens/) ## Maintenance After flowering, shear by about one-third to encourage fresh growth. In cold climates, winter mulch can help limit damage. [NC State Extension](https://plants.ces.ncsu.edu/plants/iberis-sempervirens/)