Ummm ... what? Do you want to make the old mulch a different color for aesthetic reasons? [img]https://www.pic4ever.com/images/89.gif[/img]
I don't think it would be a good idea, but I can't say I really know it would be a bad thing ... except, IMO, stains are chemicals that don't belong in the soil. [img]https://bestsmileys.com/clueless/4.gif[/img]
I don't think it would be a good idea, but I can't say I really know it would be a bad thing ... except, IMO, stains are chemicals that don't belong in the soil. [img]https://bestsmileys.com/clueless/4.gif[/img]
You might try this website:
https://www.powersourcing.com/sf/mulchcolorant.htm
If you don't find one listed for your area on the first page there, click on their link for More Mulch Colorant Suppliers. It will take you to a page where you can enter information about your local area.
I have no personal experience with the website or any of the suppliers they list, so I can't offer you any guidance in that respect.
https://www.powersourcing.com/sf/mulchcolorant.htm
If you don't find one listed for your area on the first page there, click on their link for More Mulch Colorant Suppliers. It will take you to a page where you can enter information about your local area.
I have no personal experience with the website or any of the suppliers they list, so I can't offer you any guidance in that respect.