What is the smallest fully grown tree?
Growing to a mere 1-6cm in height, the dwarf willow (Salix herbacea) is arguably the world’s tiniest tree. The Smallest ‘Tree’ Grows Up to 6cm High Despite its size, the dwarf willow is a woody plant with a single stem and tiny lateral branches, technically qualifying it as a tree, though some debate its classification. Its tiny stature allows it to survive in extreme conditions, where larger plants cannot thrive.