aromatic aster (symphyotrichum oblongifolium) flowers

aromatic aster symphyotrichum oblongifolium oblong leaved asters pink flowers flower head asteraceae herbaceous perennial inflorescence bloom blooming flora floral botany botanical garden gardening horticulture horticultural fresh freshness growth summer summertime time season closeup close pollen petal nature natural outdoor outdoors day color colour bed cultivated ornamental horizontal beauty beautiful