Cool Igloo plants have rich raspberry 1.75″/4.5cm decorative flowers. Igloo Mums offer outstanding flower power in the late summer—early fall perennial border or large container.
Dendranthema Cool Igloo
Although plants can be pinched for a tidier look, there is no need to pinch. In fact, without pinching, plants will flower in mid-summer. After enjoying this flowering, cutback plants for flowering in late summer-early fall.
Late summer to early Fall
Approx. Winter Hardiness
US Hardiness Zones 4-9. RHS Hardiness Rating H7.