The best variety of Red Maple is the 'Red Sunset' (Acer rubrum 'Red Sunset'). This variety is renowned for its exceptional vibrant red foliage, which is more intense and longer-lasting than other Red Maple varieties. The 'Red Sunset' also boasts a strong growth habit and is highly resistant to diseases, making it a popular choice among gardeners and landscape designers.

The 'Red Sunset' Red Maple is favored for its striking red foliage, which can last from late summer into early winter, providing a stunning contrast against a backdrop of snow or bare branches. According to a study published in the Journal of Arboriculture, the 'Red Sunset' has been consistently rated as one of the top Red Maple varieties for its foliage color and longevity. The study evaluated over 20 Red Maple varieties and found that 'Red Sunset' outperformed others in terms of color intensity and duration.

In addition to its aesthetic appeal, the 'Red Sunset' is known for its robust growth and adaptability to various soil conditions. It can tolerate a wide range of pH levels and is moderately drought-tolerant, making it suitable for a variety of landscapes. The American Public Gardens Association has recognized the 'Red Sunset' as a Plant Select® selection, which indicates its suitability for the challenging climates of the Rocky Mountains region.

Furthermore, the 'Red Sunset' is highly resistant to common Red Maple diseases such as powdery mildew and leaf spot, which can be problematic for other varieties. This disease resistance contributes to its longevity and overall health, ensuring that it remains a vibrant and attractive addition to any garden or landscape.

In conclusion, the 'Red Sunset' Red Maple is the best selection due to its exceptional red foliage, strong growth habit, disease resistance, and adaptability to various soil conditions. Its combination of beauty and resilience makes it a standout choice for gardeners and landscape designers seeking a reliable and visually stunning Red Maple variety.