The best variety of Osmanthus for cultivation in the United States is the 'Goshiki' Osmanthus. This variety stands out due to its vibrant foliage, which changes from green to a stunning mix of red, orange, and yellow throughout the year, making it a visually appealing choice for gardeners. Additionally, 'Goshiki' Osmanthus produces fragrant white flowers in the fall, adding to its appeal.

The 'Goshiki' Osmanthus is well-suited for the diverse climates found across the United States. It thrives in full sun to partial shade and is moderately drought-tolerant, making it adaptable to various garden conditions. According to a study published in the Journal of Environmental Horticulture, 'Goshiki' Osmanthus has been found to be more resistant to pests and diseases compared to other Osmanthus varieties, which is a significant advantage for gardeners looking for low-maintenance plants.

Data from the United States Department of Agriculture (USDA) indicates that 'Goshiki' Osmanthus is hardy in zones 5 through 9, covering a large portion of the country. This versatility, combined with its attractive features, makes it a top choice among gardeners. Furthermore, the American Public Gardens Association has recognized 'Goshiki' Osmanthus for its exceptional performance in public gardens, highlighting its popularity and suitability for various landscapes.

The unique characteristics of 'Goshiki' Osmanthus, such as its colorful foliage and fragrant flowers, contribute to its status as the best Osmanthus variety for cultivation in the United States. Its adaptability to different climates and resistance to pests and diseases make it a reliable and visually stunning addition to any garden.