Butternut (Juglans cinerea), also known as white walnut, is a medium-sized deciduous tree native to eastern North America. It produces oblong, ridged nuts enclosed in a thick, sticky green husk. The nuts have a rich, sweet, distinctly oily flavour — often described as milder and more buttery than black walnuts.
Butternuts were an important food source for Indigenous peoples of eastern North America and for early European settlers. The nuts were eaten raw, cooked into porridges, or pressed for their oil. The tree’s inner bark was also used to make a brown-orange dye, and the wood is valued for carving and furniture.
The species is now in serious decline across much of its native range due to butternut canker, a fungal disease that has killed the majority of mature trees since the 1960s. This makes wild-harvested butternuts increasingly scarce. Conservation efforts are underway to identify disease-resistant individuals and preserve the species.
How it's produced
Butternuts are almost exclusively wild-harvested from native trees in eastern North American forests. The nuts fall from the trees in autumn, still enclosed in their thick, sticky husks, and are gathered from the ground. The husks must be removed — a messy process due to the dark, staining juice they contain — and the hard shells cracked to access the nut meat inside.
There is very little commercial cultivation of butternut trees, partly because of the devastating impact of butternut canker disease and partly because the trees are slow to reach nut-bearing age. Most butternuts available for sale come from small-scale foragers and hobbyist growers. The species is not commercially relevant in Australia, where the nuts would be available only as a specialty import if at all.
What it costs the planet (per kilo)
≈ Estimated from its category — typical for nuts & seeds, not measured for this item yet. Sources & methods →
What comes from this
Your household's take
One thumb per person, shared with your household — it steers what the wider-web shelf and the swap chips offer you. Tap again to take it back.
✎ Spotted something wrong? Suggest a correction
Checking who you are...