Monitoring is critical for assessing the effectiveness of restoration projects aimed at restoring ecosystems and biodiversity but is rarely done. This is likely because of a multitude of challenges that can hinder its success. One major challenge is the complexity and variability of ecosystems. Natural systems are dynamic, making it difficult to establish baseline conditions and track long-term changes effectively. A second challenge is the lack of standardized, quantitative field methods, which complicates data collection, comparison and synthesis. Another challenge is the time lag between restoration efforts and observable ecological outcomes. Many ecosystem processes occur over extended periods, making it challenging to measure short-term success or failure. Yet another challenge is that restoration projects often lack adequate funding for sustained, long-term monitoring, which is necessary to capture these delayed effects. Opportunities exist to combat these challenges, however, and promote consistent, effective, and efficient restoration monitoring. These opportunities include the development of core monitoring protocols, tiered monitoring approaches, utilization of remote sensing and community science, creating a centralized data platform, and collaborating across agencies and organizations to learn from one another. Addressing these challenges is essential for enhancing the success of habitat restoration initiatives.