Hollyleaf Sweetspire Plant Care

Hollyleaf Sweetspire (Itea ilicifolia) belongs to the Iteaceae family within the Itea genus. Hollyleaf Sweetspire is native to western China.

Hollyleaf Sweetspire displays an upright, spreading shrub growth habit, reaching up to 6 ft tall with a spread of approximately 8 ft. Hollyleaf Sweetspire produces fragrant white or cream-colored racemes.

Leaf size: approximately 3 inches.

Water a young or newly planted Hollyleaf Sweetspire every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Hollyleaf Sweetspire thrives in full sun to partial shade.

Itea ilicifolia tolerates temperatures of 50–80°F. Hollyleaf Sweetspire prefers humidity levels of 40–70%.

Moist, well-draining acidic soil rich in organic matter. Good drainage is essential for Hollyleaf Sweetspire to prevent waterlogging, which leads to root rot and fungal issues.

Feed Hollyleaf Sweetspire every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Choose a spot with full sun to partial shade and moist, well-draining acidic soil rich in organic matter. Avoid low spots where water collects after rain.

Hollyleaf Sweetspire is suited to USDA Zone 12a.

Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.

Hollyleaf Sweetspire can spread to about 8 ft (2.4 m) and reach about 6 ft (2 m) tall. Space plants about 8 ft (2.4 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the tree spacing calculator.

Prune Hollyleaf Sweetspire while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the tree in one year.

Hollyleaf Sweetspire is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Hollyleaf Sweetspire can be propagated through softwood cuttings, seeds. Similar propagation techniques also apply to virginia sweetspire plant care, which shares the same genus.

See all plants toxic to cats and plants toxic to dogs.

Hollyleaf Sweetspire is susceptible to aphids, scale insects, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Hollyleaf Sweetspire grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Hollyleaf Sweetspire is native to western China. In cooler regions, grow Hollyleaf Sweetspire as a houseplant or bring it indoors before the first frost.