Editing Dill (section)

== Cultivation ==
Successful cultivation requires warm to hot summers with high sunshine levels; even partial shade will reduce the yield substantially.<ref>{{Cite web|title=Dill|url=https://www.almanac.com/plant/dill|last=Almanac|first=Old Farmer's|website=Old Farmer's Almanac|language=en|access-date=2020-05-17}}</ref> It also prefers rich, well-drained soil. The seed is harvested by cutting the flower heads off the stalks when the seed is beginning to ripen. The seed heads are placed upside down in a paper bag and left in a warm, dry place for a week. The seeds then separate from the stems easily for storage in an airtight container.<ref>{{Cite web|last=ghorbani|date=2020-03-01|title=Dill|url=https://ghorbanitradingco.com/dill/?lang=en|website=Ghorbani Trading Company|access-date=21 July 2021|archive-date=21 July 2021|archive-url=https://web.archive.org/web/20210721185302/https://ghorbanitradingco.com/dill/?lang=en|url-status=dead}}</ref>

These plants, like their fennel and parsley relatives, often are eaten by [[Papilio polyxenes|black swallowtail caterpillars]] in areas where that species occurs.<ref>{{Cite web|url=http://edis.ifas.ufl.edu/in906 |title=Eastern Black Swallowtail: ''Papilio polyxenes asterius'' (Stoll) (Insecta: Lepidoptera: Papilionidae)| language=en| last=Hall |first=Donald |date=23 October 2017 |website=AskIFAS |publisher=University of Florida |access-date=12 November 2017}}</ref> For this reason, they may be included in some [[Butterfly gardening|butterfly gardens]].<ref>{{cite web|url=https://sustainablefoodcenter.org/latest/gardening/plant-dill-for-you-and-your-butterflies |title=Plant Dill for You and Your Butterflies |last=Albornoz |first=Sari |date=March 7, 2014 |website=Sustainable Food Center |access-date=<!-- unknown, might be too far back -->}}</ref>