Oak Summit Nursery
Heartnut Trees
Heartnut Trees
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Heartnut is a variety of Japanese Walnut (Juglans ailantifolia) selected for heart shaped nuts with smoother shells and sweet kernels. The trees have long pinnate leaves and a broad, rounded crown.
The nuts ripen from late summer into early fall and are eaten fresh or used in cooking. These seedlings were grown from seed sourced in British Columbia and are intended for the coast and milder parts of Ontario and Quebec rather than the central prairies.
Cold Hardiness Zone: 5
Seed Source: BC
Mature Size: 30 to 50 ft tall, 30 to 40 ft wide
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Cold hardinessZone 5 · Canadian maps for this plant
Zone 5 and warmer
The map shows minimum winter hardiness. Soil, moisture and summer warmth also affect how a plant grows.
About these maps
Climate: Natural Resources Canada, 1991–2020. Provincial distribution: VASCAN via retained botanical research. Province outlines: Natural Earth, public domain.
Open Government Licence – Canada