When should I embark on the endeavor of planting rose bushes to ensure they flourish in my garden? Is there an optimal season that will facilitate robust growth and vibrant blooms, or does the timing hinge on my specific geographical location? Moreover, should I consider factors such as soil temperature and environmental conditions that might influence the planting process? Would it be advantageous to align the planting schedule with the bloom cycles of neighboring flora, or perhaps the lunar phases that some horticulturalists swear by? How do variations in climate—such as a harsh winter or a particularly hot summer—affect the critical timeframe for introducing new rose bushes into my landscape? Is there a checklist of indicators—like the arrival of certain migratory birds or specific blooming of other plants—that can guide me in deciding the perfect moment to plant? What nuances should I consider so that my effort yields a breathtaking display of roses in due course?