Why is rose plant classified as shrub?

The rose plant is classified as a shrub because it has multiple woody stems that grow close to the ground.

Shrubs are medium-sized plants that are smaller than trees but larger than herbs. They usually have several branches arising near the base and a height between 1 to 3 meters. 

The rose plant fits this description perfectly. Its woody structure and dense branching pattern give it a bushy appearance. Shrubs like roses are often used in gardens for decoration and hedging. They have a moderate lifespan and grow well in various climates.