Which statement is true regarding the maintenance of perennials?

The statement regarding perennials being relatively maintenance-free is accurate because these plants are designed to return year after year, which means they establish robust root systems over time. Once established, many perennials require less maintenance than annuals because they do not need to be replanted each season. They typically need periodic tasks such as deadheading, dividing every few years, and possibly some weeding, but overall, they can thrive with minimal intervention compared to other plant types.

In contrast, the other options suggest misconceptions about perennial care. Many perennials do not require extensive care if properly suited to their environment and chosen according to the local climate, which makes them easier to manage. They also do not need to be replanted annually, as their nature is to survive through the dormant season and reemerge, and while some perennials have specific climate preferences, many are adaptable to a range of conditions, which is not generally restrictive.