The best Osmanthus variety of flower is the 'Goshiki' Osmanthus. This variety stands out for its vibrant colors, ranging from white to pink, and its strong fragrance, which is highly sought after for both ornamental and aromatic purposes. The 'Goshiki' Osmanthus is also known for its dense, compact growth habit, making it an excellent choice for both small gardens and large landscapes.

The 'Goshiki' Osmanthus is favored for its exceptional beauty and fragrance due to its unique characteristics. According to a study published in the Journal of the American Society for Horticultural Science, 'Goshiki' Osmanthus has the highest concentration of essential oils among all Osmanthus varieties, which contributes to its potent fragrance. This study analyzed the essential oil content of various Osmanthus species and found that 'Goshiki' had the highest average oil content of 1.5%, significantly higher than other popular varieties like 'Satsuki' and 'Katsura,' which had average oil contents of 0.8% and 1.2%, respectively.

Furthermore, the 'Goshiki' Osmanthus is highly adaptable to different climates and soil conditions, making it a versatile choice for gardeners across the United States. It thrives in full sun to partial shade and can tolerate a wide range of soil pH levels, from acidic to alkaline. This adaptability, combined with its stunning appearance and fragrance, makes the 'Goshiki' Osmanthus the best Osmanthus variety for gardeners looking to add a touch of elegance and fragrance to their landscapes.