Japanese Weigela Plant Care

Japanese Weigela (Weigela floribunda) belongs to the Caprifoliaceae family within the Weigela genus. Japanese Weigela is native to Honshu and Shikoku, Japan, and it has been introduced to Bulgaria and to Connecticut, New York, and Massachusetts in the US. Japanese Weigela is also known as Abundant Weigela.

Japanese Weigela displays an upright, spreading shrub growth habit, reaching up to 6 ft tall with a spread of approximately 8 ft. Japanese Weigela produces tubular flowers in shades of pink, red, or white.

Leaf size: approximately 4 inches.

Water a young or newly planted Japanese Weigela 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.

Japanese Weigela thrives in full sun to part shade.

Weigela floribunda tolerates temperatures of 10–100°F. Japanese Weigela prefers humidity levels of 40–70%.

Rich, well-draining soil with compost or aged manure. Good drainage is essential for Japanese Weigela to prevent waterlogging, which leads to root rot and fungal issues.

Feed Japanese Weigela 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 part shade and rich, well-draining soil with compost or aged manure. Avoid low spots where water collects after rain.

Japanese Weigela is suited to USDA Zone 5a – 8b.

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 Weigela 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 Japanese Weigela 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 Weigela is hardy down to USDA zone 5a, so once established it can stay outdoors through winter in that zone and warmer ones.

Water deeply in late autumn before the ground freezes, and spread a 5–8 cm (2–3 in) layer of mulch over the root zone, keeping it away from the trunk.

Young and container-grown trees need extra protection: roots in a pot freeze much more easily than roots in the ground.

Japanese Weigela can be propagated through softwood cuttings, hardwood cuttings. Similar propagation techniques also apply to korean weigela plant care, which shares the same genus.

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

Japanese Weigela is susceptible to aphids, spider mites, 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 Weigela grows outdoors in USDA Zone 5a – 8b. It survives winters down to planting zone 5a. Japanese Weigela is native to Honshu and Shikoku, Japan, and it has been introduced to Bulgaria and to Connecticut, New York, and Massachusetts in the US.