Decorative engineered bamboo product and a method of forming a decorative engineered bamboo product in which a block of engineered bamboo product is sliced to expose an edge grain formed by edges of strands of bamboo of the product. The slices can be used directly or attached to a substrate. The slices can be further treated to produce additional decorative features. Additives can be introduced to the engineered bamboo product during the manufacture thereof to incorporate decorative elements therein which are made visible by slicing the engineered bamboo product to expose edge grain, inclusive of the cross-section of the additives.