Definition of aster in English:



  • A plant of a large genus that includes the Michaelmas daisy, typically having purple or pink rayed flowers.

    See also China aster
    • ‘When new leaves appear, divide asters, bellflowers, chrysanthemums, daylilies, sedums, Shasta daisies, and yarrow.’
    • ‘As tender perennials are damaged by frost, remove them and pop in fall-blooming asters, chrysanthemums, and pansies.’
    • ‘As with other members of the daisy family, annual aster flowers are composed of many long, slender petals radiating from a central disc of bright yellow.’
    • ‘Plant late-blooming asters behind shorter perennials to hide the damage until they finish blooming.’
    • ‘After the first hard freeze, cut back perennials such as aster, campanula, daylily, phlox, and veronica, leaving 6-inch stubs above the ground.’
    • ‘Butterflies feasted on purple asters, and dragonflies zigzagged over the buttonbushes, which bore a crop of round, dry fruits.’
    • ‘Crabgrass and plantain are an indication of acidic soil, while wood asters and poppies prefer alkaline soil.’
    • ‘Small-flowered plants such as asters, coral bells, nemesia, and yarrow are great fillers.’
    • ‘The aster is considered the other classic autumn flower.’
    • ‘Roses, pansies, perennial asters, zinnias and even weeds become mildewed.’
    • ‘Then, long after the foxgloves have withered and the last crabapple has rolled from the tree and been carted off by a brown squirrel, the asters bloom, the last flower before snow.’
    • ‘Purple asters bloom in fall, attracting monarch butterflies and providing one last blast of color when many blooms have faded.’
    • ‘The fastest-growing asters require yearly division in spring.’
    • ‘Among the favorites are asters and daisies, milkweeds, mustards, mints, peas, and vervains.’
    • ‘These asters make excellent backdrops for larger flowers in bouquets, but we also like letting them shine on their own - toward the fronts of borders or in small, densely planted beds.’
    • ‘But asters also come in a full range of reds and pinks, plus white.’
    • ‘Not long after we moved from our small, shady city lot to a sprawling sunny piece of land in the country, we were rewarded by a visit from a flock of monarch butterflies that stopped to feed at a plot of wild asters.’
    • ‘There are flowers everywhere in a carpet of colour: orange globemallows and white asters and purple lupins.’
    • ‘After a bit of a summer lull, the blues of woodland asters and the yellows of woodland goldenrods render the forest vibrant in late August.’
    • ‘Sow annual flowers such as asters, cosmos, zinnias and marigolds as soon as the frost has passed and the air begins to warm up.’


Early 17th century (in the sense ‘a star’): via Latin from Greek astēr ‘star’.