The connection between enclomiphene and growth plates is more complicated than simply asking whether testosterone promotes growth. Sex hormones contribute both to growth and to the maturation of the skeleton, including eventual growth plate closure. The outcome depends heavily on developmental stage and individual biology. This is especially important when considering hormone-related treatment in adolescents or younger adults.
https://valhallavitality.com/blog/enclomiphene-and-growth-plates-what-to-know