silvery-green leaves and frosted appearance

Giant blue-green hosta with large yellow margins around the leaves

tall and wide

Photo courtesy of Missouri Botanical Gardens

Large composition of sunny fall flowers in a clear glass vase

Aster cordifolius 'Avondale' (Blue Wood Aster) Valentine's Day silvery-green leaves and frosted appearanceBlue Wood Aster is a late blooming perennial that features clusters of violet purple flowers with yellow to orange centers that bloom from late summer to early fall. This cultivar reaches a height of 24 36 inches and spreads 18 24 inches. It thrives in full sun to part shade and well drained soil.