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Heartnut Trees

Heartnut Trees, scientific name Juglans ailantifolia, are known for their uniquely heart-shaped nuts. They originated from East Asia and share the same species as Japanese Walnuts. Their nuts are recognized not just for their shape but also for their sweet flavor, famous for being used as sauce ingredients like pesto.


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Heartnut trees are increasingly sought after not only for their delightful heart-shaped nuts but also for their ornamental value. The nuts are often described as having a sweet, buttery flavor, superior to many other walnut varieties.

These deciduous trees flaunt pinnate leaves that offer lush greenery in summer and transform into attractive golden shades in the fall. Perfect for various landscapes, heartnut trees typically thrive in well-drained soil with good sun exposure.

Growing to heights of 40-60 feet, they can serve as splendid shade trees while also producing a yearly bounty of delicious nuts. Whether you aim to enrich your diet with homegrown produce, add an aesthetic touch to your property, or both, our assortment of heartnut trees is sure to impress.

Heartnut Trees FAQ

How do you harvest heart nuts?

Heart nuts, from the tree Juglans ailantifolia, typically fall from the tree when they're ripe. Collect the nuts from the ground promptly to prevent insect damage or mold. After gathering, remove the husk, and allow the nuts to dry for several weeks before storing.

What does heartnut taste like?

The heartnut, a variant of the Japanese walnut, offers a sweet and mild flavor, comparable to but milder than the English walnut. It's devoid of the typical bitterness found in some walnuts, making it favored for its pleasant, buttery taste.

Where do heartnut trees grow?

Heartnut trees, native to Japan, thrive in temperate climates. They prefer well-draining soil and can be grown in USDA zones 5-9. While they are adaptable to various soil types, they perform best in deep, fertile soils.

How fast do heartnut trees grow?

Heartnut trees exhibit moderate growth rates. In ideal conditions, a young tree can grow 1-2 feet annually. With adequate space, water, and nutrients, they can achieve their mature height in roughly 20-25 years.

How tall are heartnut trees?

A mature heartnut tree can reach heights between 40 to 60 feet. The exact height depends on the variety, growing conditions, and care provided throughout its life.