It was the Dutch people who improved the carrot so it was a tasty food. The English liked its looks and used it as an ornamental flower, but even they started eating the improved ones. It came to our shores with the first settlers and did great here. Perhaps too well as it is now considered a pain in the neck weed by many people. I think it is a beautiful garden flower.
Insects like to hang out in the protection of the nest.
Look for tiny spiders. You can collect seeds when it all turns brown. Make sure they are dry before putting them in a jar or zip-top bag to save for cooking.