Various insects are happy to accept them, including the neighbors' honeybees with his bee colonies. Except that I enjoy the sight and try to photograph the insects in it, I will not use them any further. Apart from the fact that I will harvest the seeds for the next year. The plant should be edible but I haven't tried it yet.
The individual plants should not be too close together. Sown early, their offspring can bloom in the bed in the same year. They then bloom well into autumn while other flowers have given up. In my garden it also grows between the vegetables. It is said that it works against nematodes and is compatible with many types of vegetables.