When is the optimal time for the planting of Canna bulbs in order to ensure a vibrant and flourishing display in your garden? Is it merely a matter of waiting until the last frost has vanished, or are there more nuanced considerations to take into account? For instance, should one consider the specific climate of their region, as well as the varying temperatures that could potentially impact germination and growth? Moreover, could the planting depth and soil conditions play a significant role in determining the success of these majestic blooms? What are the essential indicators to look for in your surroundings that signal the right moment to place those bulbs into the earth? As we ponder these questions, one must also consider the time of year when sunlight begins to warm the soil, invoking the latent potential of these delightful plants. Could this synergy of factors create an ideal environment for your floral masterpiece to thrive?