Aster macrophyllus ‘Twilight’ forms a groundcover of heart-shaped leaves and late summer clusters of lavender-blue flowers popular with bees and butterflies.

Aster subspicatus (Symphyotrichum subspicatum) has lovely lavender flowers with narrow petals around yellow centres.

Aster 'Bridal Veil' forms a unique cascading and trailing mound covered in thousands of tiny, ivory white flowers in late summer and fall.

Aster cordifolius 'Avondale' is an arching aster for shade that will produce clouds of lavender-blue flowers that billow throughout your ferns and hostas.

Aster divaricatus 'Eastern Star' is a shade aster with jet black stems and clouds of tiny white flowers in fall.

Aster ericoides 'Snow Flurry' is a cold hardy heather aster with masses of late season nectar-rich white flowers.

Aster 'Lady in Black' forms tall stems clad in burgundy foliage that erupt with hundreds of small white and pink flowers in fall.

Aster novae-angliae 'Grape Crush' is a New England aster with purple flowers with orange eyes.

'Raydon's Favourite' forms lush mounds of fragrant foliage smothered with hundreds of gorgeous aster flowers in fall.

Aster pyrenaeus ‘Lutetia’ has soft lavender, narrow-petaled flowers opening from pink buds on purple stems.

Aster x frikartii 'Monch' is one of the best of all asters with a long season from summer to fall of bluish lavender flowers.

Aster Island 'Bahamas' offers deep hot pink flowers with bright yellow centres.

Aster Island 'Barbados' has late season light purple flowers and bright yellow centres.