The best variety of red maple for most landscapes is the 'Red Sunset' maple. This selection is renowned for its vibrant red foliage, which turns a deep crimson in autumn, providing a stunning contrast to the surrounding environment. The 'Red Sunset' maple is also highly adaptable, thriving in various soil types and climates, making it a popular choice among gardeners and landscapers.

The 'Red Sunset' maple's superior qualities are supported by data from various studies. According to the United States National Arboretum, 'Red Sunset' is one of the most popular red maple varieties due to its exceptional color and growth characteristics. The arboretum's research indicates that this variety can grow up to 40 feet tall and 30 feet wide, with a moderate growth rate. Its ability to withstand urban environments and various soil conditions further contributes to its popularity.

Additionally, the American Public Gardens Association has recognized 'Red Sunset' as a Plant Select® selection, which signifies its suitability for the challenging conditions found in the American West. This recognition is based on the plant's ability to thrive in a wide range of climates, from the hot, dry conditions of the Southwest to the cooler, wetter climates of the Northeast.

Furthermore, the 'Red Sunset' maple's resistance to diseases such as verticillium wilt and its tolerance to urban pollution make it an excellent choice for urban landscapes. These qualities are crucial for ensuring the long-term health and beauty of the tree.

In conclusion, the 'Red Sunset' maple stands out as the best variety of red maple due to its striking autumn color, adaptability, and disease resistance. Its popularity is well-supported by data from reputable sources such as the United States National Arboretum and the American Public Gardens Association, making it a top choice for any landscape.