From what I've been able to find out, Hardi needs a special type of stain. Regular wood stains don't work because they must penitrate into the wood. That's impossible with Hardi priducts, so it's just a matter of time for the stain to wash away.
Hardi says that a 100% Acryilic stain is what you are supposed to use on there products. Home Depost sells this in a variety of colors, but in my test sample, it comes out like paint and doesn't add anything to the grain in the Hardi boards.
I tried a variety of paints, from oil base to exterior latex paints mixed with water and thinner. The paints all came out looking like really bad paint jobs.
Minwax has some Gel stains that are designed for metal doors and other solid materials to make them look like real wood. They are designed for indoor and outdoor use. I bought three colors of the Minwax, and one from Olympic. I don't know of any other gel stains, so this was about all I could find. Cost is $12 a quart for the Olympic and $13 a quart for the Minwax. It only seems to come in quart sizes, so it's gonna be pricey.
The colors in the picture are Honey Maple, Antique Maple, Colonial Oak and Aged Oak. There realy is no comparison for us, we're going to use the Aged Oak and see what happens.
Eddie