Japanese Raisin Tree Plant Care

Japanese Raisin Tree (Hovenia dulcis) belongs to the Rhamnaceae family within the Hovenia genus. Japanese Raisin Tree is native to Asia, from Eastern China and Korea to the Himalayas, growing preferably in a sunny position on moist sandy or loamy soils. Japanese Raisin Tree is also known as Oriental Raisin Tree, Hodgsonia, Hovenia.

Japanese Raisin Tree displays a small to medium-sized tree growth habit, reaching up to 30 ft tall with a spread of approximately 20 ft. Japanese Raisin Tree produces small greenish flowers in clusters.

Leaf size: approximately 6 inches.

Water a young or newly planted Japanese Raisin Tree every 7–14 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.

Japanese Raisin Tree thrives in full sun to partial shade.

Hovenia dulcis tolerates temperatures of 50–85°F. Japanese Raisin Tree prefers humidity levels of 40–70%.

Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Japanese Raisin Tree to prevent waterlogging, which leads to root rot and fungal issues.

Feed Japanese Raisin Tree 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 well-draining loamy soil with added organic matter for moisture retention. Avoid low spots where water collects after rain.

Japanese Raisin Tree 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.

Japanese Raisin Tree can spread to about 20 ft (6.1 m) and reach about 30 ft (9 m) tall. Space plants about 20 ft (6.1 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 Japanese Raisin Tree 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.

Japanese Raisin Tree 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.

Japanese Raisin Tree can be propagated through seeds, hardwood cuttings. Similar propagation techniques also apply to japanese raisin tree plant care, which shares the same genus.

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

Japanese Raisin Tree is susceptible to aphids, scale insects. 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.

Japanese Raisin Tree grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Japanese Raisin Tree is native to Asia, from Eastern China and Korea to the Himalayas, growing preferably in a sunny position on moist sandy or loamy soils. In cooler regions, grow Japanese Raisin Tree as a houseplant or bring it indoors before the first frost.