azure aster
noun
Meaning
A perennial flowering plant known for its bright blue or violet, daisy-like blossoms that typically bloom in late summer and autumn.
Examples
- The azure aster adds a splash of deep blue to the perennial border just as other flowers begin to fade.
- Gardeners prize the azure aster for its ability to attract late-season pollinators like bees and butterflies.
Synonyms: blue flower, perennial, Symphyotrichum, starwort