| 2026-07-12 | Daisy relatives |
| 2024-03-31 | Blooms named for their shape |
| 2023-11-26 | Fall blooms |
| 2023-10-04 | Cousins of daisies |
| 2022-09-08 | Daisy relatives |
| 2022-09-04 | Butterfly garden bloomers |
| 2022-09-02 | Butterfly-attracting perennials |
| 2022-08-25 | Butterfly-attracting flowers |
| 2020-09-15 | Some fall blooms |
| 2019-09-18 | Late bloomers |
| 2019-02-03 | Butterfly-attracting flowers |
| 2017-09-07 | Late bloomers |
| 2017-05-13 | Flowers named after the Greek word for "star" |
| 2016-06-24 | Another name for Michaelmas daisies |
| 2012-07-14 | Goldilocks and others |
| 2011-03-25 | "Wild" flowers in a Sara Teasdale poem |
| 2011-03-22 | Fall bloomers |
| 2010-06-12 | Goldilocks and others |
| 2010-01-12 | October blooms |
| 2007-12-09 | Sources of fall color |
| 2005-04-16 | Cousins of fleabanes |
| 2003-05-19 | Autumn blooms |
| 2001-05-25 | Relatives of sunflowers |
| 2000-12-22 | October blooms |
| 2000-03-26 | They usually have yellow centers |
| 1998-07-30 | Long-stemmed flowers |
| 1995-12-22 | Late bloomers |
| 1995-09-28 | Late bloomers |