Also check the 3 band vertical matching unit at qrpguys. I got a squid pole from Asia in a few weeks, or try cabellas.
I confess to owning 80m qro efhw from myantennas. But for qrp easy to make one, web has the info, main part is a ft120-43 or an order to qrpguys. The trick for all band is that loading coil near the feed.
We know an efficient antenna avoids discouragement with a few watts.