In Fjordur the plants near water give silk. Up if helpful

The little plants in Asgard give you silk. up if Helpful!

I feel like aranos should drop spider silk which is silk in every way, it’s just dropped from a spider.

In scorched earth the purple flowers give silk.

To that person who asked where to find silk on the island: That’s the neat part you don’t.

B-but, moth though. Moth cute. Moth like lämp. If kill moth, moth no find lämp. Moth be sad. Me be sad.

Spiders do not drop this. It can be harvested from the purple flowers in the highlands on rag or from killing lymantria

Not sure for any other world, but in Ragnarok

The groups of little purple flowers give you silk. (I found a lot in the corner of the map.)

On scorched earth the purple flower give some silk when grabbed