The Scotts Florida Select Natural Mulch does not contain any colorant.
We appreciate your interest in Scotts Florida Select Natural Mulch. While we have indeed changed the formula of this product, it is still that same quality product that you and other consumers have come to know and love. Please contact us at http://tinyurl.com/mds8zo5 if there is anything else we can help you with.
Molly, it is not necessary to put down plastic or landscape fabric before laying mulch down. We recommend waiting until the temperatures are ideal for growing and that you have weeded the area. You can certainly rake the mulch to make sure it is level.