The major purpose of the research was to identify effective conditions and strategies to improve and foster mathematical creativity in educational environments. Data is gathered using grounded theory and semi structured introspective interviews. The population were all students who are majoring in mathematics in the universities in Tehran. For the semi structured introspective interviews, 13 mathematics students were asked to participate in the study based on purposive sampling. The data was analyzed by coding process in the two stages of free and axial coding. To ensure that the research is qualified, the credibility, dependability, transferability and conformability criteria were used. The results revealed that there are several subcategories for effective conditions and strategies that explain how they influence creative solutions of the mathematics problems. The research could help the educators to provide suitable educational environments which can develop mathematical creativity.