Globe candytuft (Iberis umbellata) is a common garden annual that bears flat clusters of pink, violet, white, purple, or red flowers in late summer. The plants are 40 cm (16 inches) tall and have long, narrow leaves.
Evergreen Candytuft Care
Iberis Sempervirens



How to Care for the Plant

Water

It resists drought quite well and must only be watered during the first months after planting.

Pruning

Cut back by about a third of the year’s growth, or even half. Make sure you’re still in the “green growth” zone, though.

Fertilizer

Although this plant doesn’t quibble about the type of soil it is in, better add fertilizer when growing Iberis in pots.

Sunlight

Light. 'Purity' candytuft will tolerate some shade but bloom best when planted in the sun. For zone 8, all varieties of candytuft will benefit from a spot where the flower will have partial shade in the afternoon during the hottest part of the day, especially during the heat of summer.

Soil

Well-drained, gravelly

Temperature

It is drought-tolerant once established. It prefers a well-drained site, so heavy clay soils that stay wet in winter should be avoided. It is not easily divided. Iberis sempervirens survives in USDA hardiness zones 3-9 with mean annual minimum temperatures of -23.3 to -20.6 °C (-10 to -5 °F). .

Container

PropagationSow seed in containers in a cold frame in autumn.

Additional

These plants may cause serious illness or death. Candytufts can reach a height of about 30 cm (12 inches). It can spread up to 6 inches (15 cm). The white or pink flowers brighten the gardens during the months of April and May.

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