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Can you leave calla lilies in the ground all year?
Calla lilies are not cold hardy. This means that calla lily winter care in some gardens will be different from other gardens. If you live in USDA plant hardiness zone 8 or higher, your calla lilies can survive the winter outdoors in the ground and do not need to be dug up.
How long do calla lilies last outside?
Have you ever wondered just how long potted calla lilies are supposed to last? Potted Calla Lilies can last for approximately four months in an active state of growth. This includes a period of foliage growth in the first six weeks, followed by six to eight weeks of blooming.
Can calla lilies be planted outside in UK?
Zantedeschia aethiopica has white flowers and can be grown outside all year round in mild areas, in moist soil that doesn't dry out. Grow in pots, in the ground or at the pond edge.