Aster Alpine Mixed Colors Aster Alpinus is a compact perennial with spreading growth habit. It is easy to grow Alpine Aster from seeds, and this particular variety produces masses of lavender, blue, pink, and white flowers with yellow centers on a top of dark-green, lance-like foliage. Aster Alpine Mix blooms for several weeks from late spring and into fall providing a colorful display and attracting bees and butterflies.