A friend of mine stores tomato cultivars this way but make sure the seeds are dry before you freeze.

Source: https://www.greenprophet.com/2023/03/starting-a-seed-bank-at-home/

However, seed from fancy cultivars is not necessarily true to type.

Source: https://www.canyon-news.com/sustainable-horticulture-should-be-sustainable/173853

I would be remiss not to mention that there are dozens of flag iris cultivars with fragrant flowers and they are widely available through Internet vendors, easily accessed with a search of “fragrant irises.”

Source: https://www.dailybreeze.com/2023/03/11/6-species-of-iris-that-grow-well-in-southern-california-gardens/

Not all species and cultivars will perform equally.”

Source: https://www.postandcourier.com/aikenstandard/lifestyle/aiken-master-gardeners-the-care-and-maintenance-of-southern-lawns/article_1c556692-5c12-11ee-9586-b7d3659d38df.html

The correct way to compare cultivars is to plant them side by side at the same time.

Source: https://www.postandcourier.com/columnists/gardening-column-the-perks-of-experimental-gardening/article_b1a8f4f8-46b8-11ee-9ebb-73d5b3087efa.html

The two cultivars are BC Organic Cleopatra and BC Organic White Rainbow.

Source: https://www.marketscreener.com/quote/stock/RUBICON-ORGANICS-INC-112793878/news/Rubicon-Organics-Reports-Third-Quarter-2023-Financial-Results-45354734/?utm_medium=RSS&utm_content=20231114

Whether it’s for a specialty crevice garden, an accent to a border, or simply potted up as a houseplant, there are hundreds of species, varieties, and cultivars in all manner of shapes, sizes, and colors to fit your vision.

Source: https://northfortynews.com/category/gardens-landscapes/the-endless-world-of-stonecrops/