THE BUTTERNUT
Among our native walnuts the butternut is valued highly especially for home use. On the markets, however, the rough shell and comparatively small size of the kernel have in general tended to keep prices low and the demand limited. There are now prospects for the introduction and growing of superior hybrid varieties. Grafted varieties which bear particularly good nuts are becoming more available through nut nurseries.
The trees may become very large in height, spread and trunk diameter. They are attractive and stately in appearance and it is the hardiest member of the walnut genus as its native range extends well into Canada. The bark is gray in color and the wood is soft. Heartwood decay is common in old trees, although they may reach great age. The species has a rather restricted range within the Eastern states, but it occurs naturally as far west as eastern Kansas and Nebraska. In Missouri, its growth is confined largely to the central and northern areas where black walnuts are plentiful.
The nuts are oblong, sharp-pointed at the apex, cylindrical, bluntly rounded at the base, rough and jagged over the surface, and as a rule thick-shelled. In spite of this, some varieties have good shelling quality, and the kernels possess usually a rich, agreeable flavor. In confections the butternut kernel may compete successfully with the popular flavor of the black walnut kernels. The butternut may be propagated and grown successfully by adopting the practices suggested for the culture of the black walnut. As is true with the black walnut it may be inter-grafted upon other walnuts or used as a stock for them, but its propagation, particularly as an understock, is more difficult.