Printing with natural dyes

Would like to try this out for making branded things for packaging for Sheep’s green

• Here’s a big blog post and they sell kits too. You need to mordant your fabric, then put dye on the fabric, iron it then leave it for a bit to cure.
• here’s another with some history, and another with some beautiful examples
• here’s a book chapter which I can probably find from the library if I need, and has some references I could chase.
• this person writes lots about it
• Jillian Eve has some learnings