It appears there might be a slight confusion in the name. The correct cultivar is likely "Deutzia Yuki Snowflake" or simply "Yuki Snowflake." Yuki Snowflake is a specific variety within the Deutzia genus. Here are some details about Deutzia Yuki Snowflake:

1. Flowers: Similar to other Deutzia varieties, Yuki Snowflake is celebrated for its profusion of white, star-shaped flowers. The flowers appear in clusters, creating a snowflake-like effect.

2. Blooming Period: Yuki Snowflake typically blooms in late spring to early summer, similar to other Deutzia varieties. The flowering period is marked by an impressive display of white blossoms.

3. Foliage: The shrub has green foliage that complements the white flowers. The leaves are typically simple, opposite, and may have serrated edges.

4. Size: Yuki Snowflake is generally a compact and low-growing shrub. It is often used as a ground cover or in smaller garden spaces. It typically reaches a height and width of around 1 to 2 feet.

5. Sun and Soil Requirements: Like other Deutzia varieties, Yuki Snowflake prefers well-draining soil and can thrive in full sun to partial shade. Adequate sunlight is essential for optimal flower production.

6. Maintenance: Yuki Snowflake is known for its ease of maintenance. Regular pruning can help shape the shrub and encourage better blooming.

7. Hardiness: This cultivar is often appreciated for its hardiness, making it suitable for various climates.