Different species, different filler

Q: We have probably 25 different species of woods from osage, mahogany, cherry, white and red oak, birch, honey locust, ironwood.. To find a wood filler to match all these, yikes. That’s why I don’t think it would look good. Is there some product that we can “pour” into the gaps, cracks and knot holes to fill all these in?

I’ve heard to leave the sawdust in the cracks and crevices, but won’t that come out during the first coat of sealer? We’re not using a stain either, don’t want to cover up any of the colors.

A: You might want to look up a company called Timbermate. They make some very serious claims about their wide range of wood fillers, and though they are more expensive, I am considering giving them a good look.