Aster, Smooth

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Aster laevis (syn. Symphyotrichum laeve) Masses of lavender-blue flowers in late summer to fall. Forms an upright clump. Attracts pollinators. Native species. Average to poor, well -drained soil; drought tolerant once established. Sun. Ht. 90-120cm (36-48 in.), Sp. 45-60cm (18-24 in.) Zone 2 Show more