Walnut is a dark, medium hardwood species with a straight, patchy grain. The heartwood is pale brown to dark chocolate in color. Unlike most wood species, Walnut turns lighter over the years and becomes golden brown. It is a popular choice for furniture, cabinet-making, flooring and cooking utensils.

Walnut (Lat. Juglans regia)

Family: Walnut (Lat. Juglandaceae)
Size: Walnut can grow up to 98ft (30 m) in height (4-5 m when cultivated).
Origin of Kährs Walnut flooring: USA and Asia
Hardness: Heavy but a little softer than oak. Brinell value: 3.4
Color change: Walnut undergoes a medium to extensive color change. The dark brown heartwood pales over time, taking on a yellowish-brown hue.