A herb is a non-woody plant that has green and tender stem with few branches on. It is usually short. Herbs have a variety of uses like adding flavor to food, providing medicine for diseases and some with spiritual touch. Tulsi and lettuce are the examples of herbs
A shrub is taller than a herb and has stem branching out at its base. The stems of shrubs are not hard but thick. A common place where shrubs are grown is known as shrubbery. Rose and lemon plants are the exams of shrubs.
A tree is a woody plant that has many branches on a single stem. Trees serve us lot of benefits. They prevent soil erosion, maintain carbon dioxide content in the air, provide us materials to make huts and to make furniture. Trees are categorized based on their height, width of their trunk, overall size, and of course their age. Mango tree and coconut tree are the examples of trees