In this study, we used three variegated cultivars of Euonymus japonicus (Ougon masaki (Euonymus japonicus Thunb. cv.ougon), Kin masaki (Euonymus japonicus Thunb. cv.kin), and Gin masaki (Euonymus japonicus Thunb. cv.gin)), in the six rate (0%, 20%, 35%, 50%, 65%, 80%) light shading experiment during the eleven months. As a result, the degree of spindly growth was strongly shown Ougon masaki > Kin masaki > Gin masaki. Also, the spindly growth appeared in Ougon masaki and Kin masaki in the 20% - 35% light shading environment. For the reasons mentioned above, it seems that it is desirable to plant Gin masaki where there is not much sunlight. And, it was confirmed that all test plants grow except for the 80% light shading environment. Regarding leaf color changes, it was presumed that Ougon masaki is most influenced by all test plants, and it is difficult to keep the original leaf color (bright yellow or pale yellow) in the 50% - 80% light shading environment. On the other hand, it is clear that, on Kin masaki and Gin masaki, the leaf color changes less. Thus, they are a little influenced by shady environment.
