Sedums are hardy, tolerating frost and below freezing temperatures. Upright sedums will die back to the ground, but the remaining stalks with spent flowers will offer color and food for the birds. If you wish, you can prune the stalks to the ground. It will not harm the plant or the spring’s new growth.

What sedums are cold hardy?

Cold hardy sedum varieties that are recommended in USDA zones 3 or 4 through 9 include the 4-inch-tall tasteless stonecrop (Sedum sexangulare), which features yellow flowers and spiraling, green leaves that turn a copper color in winter, and the 6-inch-tall widow’s cross or sea star (Sedum pulchellum), which acts like …

Are sedums Hardy UK?

Sedum reflexum is a hardy species native to the UK and Europe. It’s fast-growing and makes good ground cover with evergreen foliage and nectar-rich, yellow flowers in summer that attract pollinating insects.