Perennikasvit

Perennikasvit, also known as perennial plants, are a significant category within the plant kingdom, distinguished by their ability to live for more than two years. Unlike annuals, which complete their life cycle in a single growing season, and biennials, which live for two years, perennials can survive and often bloom for many years. This longevity is typically achieved through specialized structures such as roots, bulbs, rhizomes, or woody stems, which allow them to store energy and nutrients and survive through unfavorable conditions like winter or drought.

The life cycle of a perennial plant involves growing, flowering, and producing seeds over multiple years. In temperate climates, many herbaceous perennials will die back to the ground in winter, only to regrow from their underground perennating organs in the spring. Woody perennials, such as trees and shrubs, retain their above-ground structures, though they may shed their leaves seasonally. This ability to persist makes them a valuable component of many ecosystems and a popular choice in horticulture for their reliability and long-term visual impact in gardens. Their presence contributes to soil stability and provides habitat for various organisms.