Boron (B) is an essential microelement for plant growth, development, and productivity. Its deficiency can lead to impaired plant function, particularly in acidic soils where low pH decreases the availability of B and other essential minerals. Plants absorb B in the form of boric acid or tetrahydroxy borate, depending on soil pH. B participates in various physiological processes, including cell wall and plasma membrane synthesis, carbohydrate and protein metabolism, and RNA formation. It also interacts with other nutrients such as calcium (Ca), nitrogen (N), phosphorus (P), potassium (K), and zinc (Zn). This review discusses the mechanisms of B uptake, translocation, and accumulation, as well as its interactions with other elements. B can influence the uptake and utilization of other nutrients, affecting plant nutrition and performance. For example, B interacts with N to affect nutrient assimilation and plant growth. B and P have synergistic effects on nutrient absorption and distribution, improving photosynthetic rates and growth. B and K have a positive correlation, enhancing seed oil content and yield. B and Ca interact in cell wall functionality and integrity, with Ca stabilizing B complexes and influencing cell wall metabolism. B and Zn interactions can be synergistic or antagonistic, affecting nutrient concentration and plant growth. B and Mn interactions influence polyphenol concentration and lignin synthesis. B promotes Fe absorption and long-distance transport in plants. B and Si interactions are beneficial, with B increasing the transcription levels of B transporter genes and enhancing Si uptake. B and Al interactions alleviate Al toxicity by regulating H+-ATPase activity and reducing Al binding to cell wall components. B and Cd interactions mitigate Cd toxicity by enhancing Cd chelation and reducing Cd accumulation. The molecular mechanisms underlying these interactions are still under investigation, but they play crucial roles in plant growth, development, and stress responses. Understanding these interactions can help improve crop productivity and tolerance to environmental stresses.Boron (B) is an essential microelement for plant growth, development, and productivity. Its deficiency can lead to impaired plant function, particularly in acidic soils where low pH decreases the availability of B and other essential minerals. Plants absorb B in the form of boric acid or tetrahydroxy borate, depending on soil pH. B participates in various physiological processes, including cell wall and plasma membrane synthesis, carbohydrate and protein metabolism, and RNA formation. It also interacts with other nutrients such as calcium (Ca), nitrogen (N), phosphorus (P), potassium (K), and zinc (Zn). This review discusses the mechanisms of B uptake, translocation, and accumulation, as well as its interactions with other elements. B can influence the uptake and utilization of other nutrients, affecting plant nutrition and performance. For example, B interacts with N to affect nutrient assimilation and plant growth. B and P have synergistic effects on nutrient absorption and distribution, improving photosynthetic rates and growth. B and K have a positive correlation, enhancing seed oil content and yield. B and Ca interact in cell wall functionality and integrity, with Ca stabilizing B complexes and influencing cell wall metabolism. B and Zn interactions can be synergistic or antagonistic, affecting nutrient concentration and plant growth. B and Mn interactions influence polyphenol concentration and lignin synthesis. B promotes Fe absorption and long-distance transport in plants. B and Si interactions are beneficial, with B increasing the transcription levels of B transporter genes and enhancing Si uptake. B and Al interactions alleviate Al toxicity by regulating H+-ATPase activity and reducing Al binding to cell wall components. B and Cd interactions mitigate Cd toxicity by enhancing Cd chelation and reducing Cd accumulation. The molecular mechanisms underlying these interactions are still under investigation, but they play crucial roles in plant growth, development, and stress responses. Understanding these interactions can help improve crop productivity and tolerance to environmental stresses.