Works well if you can get it started
I originally tried Yukon for a southwestern Missouri site with poor soil and poor turf during August / September drought. Only a little of the first planting grew, but where it took hold, the Yukon is a very nice bermuda grass, dark green, short, and fine. We did a second planting with more care, but none of it took hold. Then I carefully planted some in greenhouse trays and raised it with considerable care. It is very slow to gain size. I set it out as plugs in a portion of my sandy yard in Michigan (zone 5) where august burn-out is a problem. Some of it took hold, and works well, surviving winter and spreading at a moderate rate, not taking over as bad as the giant northern-acclimated bermuda that also grows here. Wish it was easier to start. It handles heat and drought very well.