New York aster, Aster novi-belgi, massed purple flowers growing on the High Line linear park in Midtown Manhattan. Plants, Perennials, Flowers.

Aster, New England aster, Symphyotrichum novae-angliae, Tw pink coloured flowers growing outdoor.

Aster, New England aster, Symphyotrichum novae-angliae, Pink coloured flower growing outdoor.

Aster, Hoverfly Helophilus pendulus, pollinating a Michaelmas Daisy flower in garden border.

Aster, Hoverfly feeding on Aster Michaelmas Daisy.

Daisy, Michaelmas Daisy, Aster x frikarti 'Monch', Side view of mauve coloured flower growing outdoor.

Daisy, Michaelmas Daisy, Aster x frikarti 'Monch', Side view of mauve coloured flower growing outdoor.

Daisy, Michaelmas Daisy, Aster x frikarti 'Monch', Side view of mauve coloured flower growing outdoor.

Michaelmas daisy , Aster x frikartii 'Monch', Close side view of one mauve flower with bright yellow stamens against others soft focus behind.

Michaelmas daisy , Aster x frikartii 'Monch', Close side view of one mauve flower with bright yellow stamens against others soft focus behind.

Michaelmas daisy , Aster x frikartii 'Monch', Close side view of one mauve flower with bright yellow stamens against others soft focus behind.

Aster novi-belgii 'Chequers', 2 open flowers.