Meiogyne ladd's walnut Plant Care

Meiogyne ladd's walnut (Meiogyne laddiana) belongs to the Annonaceae family within the Meiogyne genus. Meiogyne ladd's walnut is native to Fiji. Meiogyne ladd's walnut is also known as Ladd’s walnut.

Meiogyne ladd's walnut displays a small tree or shrub growth habit, reaching up to 10 ft tall with a spread of approximately 8 ft. Meiogyne ladd's walnut produces small, fragrant flowers in shades of white, cream, or yellow.

Leaf size: approximately 6 inches.

Water a young or newly planted Meiogyne ladd's walnut 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.

Meiogyne ladd's walnut thrives in partial shade to full sun.

Meiogyne laddiana tolerates temperatures of 60–85°F. Meiogyne ladd's walnut prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Well-draining, rich loamy soil with added organic matter for moisture retention. Good drainage is essential for Meiogyne ladd's walnut to prevent waterlogging, which leads to root rot and fungal issues.

Feed Meiogyne ladd's walnut 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 partial shade to full sun and well-draining, rich loamy soil with added organic matter for moisture retention. Avoid low spots where water collects after rain.

Meiogyne ladd's walnut is suited to USDA Zone 11a – 12b.

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.

Meiogyne ladd's walnut can spread to about 8 ft (2.4 m) and reach about 10 ft (3 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 Meiogyne ladd's walnut 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.

Meiogyne ladd's walnut is frost-tender (hardy to USDA zone 11). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Meiogyne ladd's walnut can be propagated through seeds, air-layering. Similar propagation techniques also apply to meiogyne bidwillii plant care, which shares the same genus.

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

Meiogyne ladd's walnut is susceptible to spider mites, scale insects, mealybugs. 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.

Meiogyne ladd's walnut grows outdoors in USDA Zone 11a – 12b. It survives winters down to planting zone 11a. Meiogyne ladd's walnut is native to Fiji. In cooler regions, grow Meiogyne ladd's walnut as a houseplant or bring it indoors before the first frost.