Image 1 of 1 Aromatic Aster (Symphyotrichum oblongifolium) $8.00 Pre-order: Aromatic Aster plants will be available in May. Add to Garden Added! Pre-order: Aromatic Aster plants will be available in May. Growing Guide LIFE CYCLE Herbaceous perennial SUN EXPOSURE 6-8 hours of direct sunlight SOIL MOISTURE Dry to average, well-draining SIZE AVERAGE 2' tall, 2' wide SPACING At least 18" BLOOMS Small purple/blue, August-November PAIR WITH Purple coneflower, Yarrow, Butterfly milkweed ADVANTAGES Pollinator, Deer-resistant, Fragrant foliage, Family-friendly, Culinary CARE Very easy