[rocket_surgeron]

The state flower of California is the California Poppy Eschscholzia californica.

The poppy that produces opium is the Breadseed Poppy Papaver somniferum.

You can buy ten thousand California Poppy seeds at any Home Depot for $3.97.

https://www.homedepot.com/p/Stover-California-Poppy-Seed-790...

[JoeAltmaier]

All poppies produce opium, but of course in different concentrations.

I guess there's a critical opium threshold the law applies? Or does it just name the forbidden ones?

[rocket_surgeron]

It is a common misconception that all poppies produce opium.

They do not.

There are hundreds, if not thousands, of poppy varieties that produce no morphinan alkaloids.

Morphinan alkaloids become "opium".

https://www.poison.org/articles/what-to-know-california-popp...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10017456/