This study explored the effects of creativity-based L2 poem writing (CBLPW) for EFL college students. A total of 40 college students participated, who were assigned to two conditions?non-creativity and creativity groups. The present study employed pre-, post-, and delayed-tests for creativity using the Torrance Test of Creativity, pre-, post-, and delayed-evaluations of L2 poem writing quality, and pre- and post-questionnaires for participants’ affective domain. The results showed immediate and sustained effects of CBLPW on creativity, and writing quality. In addition, an overall positive effect of CBLPW was observed in the affective domain such as interests, confidence, and motivation for the two groups. These findings suggest that teachers could offer students a wide range of creativity techniques in order to enhance their levels of creativity, L2 poem writing quality, and the affective domain of learners.