Columbine Seeds - Blue and White Swan2nd Year Maturity. Blue and White Swan columbine seeds promise some of the brightest, fullest, and most vivid blooms available in any garden. Blue and White Swan seeds grow dense and elegant columbine spikes flourishing in a seasonal mix of deep unique violet, indigo, and white. Columbine is easy to grow from seed and offers a simple all American choice for many temperate and shaded climates. Blue and White Swan seeds mature into robust 18 24 tall