The yeast culture is awesome. Best of the collection of cultures. Fast and responsive and powerful, and virile, and unstoppable, cold resistant, keeps going through successive risings, handles whole wheat, uninhibited by salt, lives through freezing, complex, interesting and delicious.
Better than San Francisco starter
Better than Northwest
Better than Hawaiian
Better than Concord
Better than Alaskan
Better than South African
Better than Russian
Better than Bahrain
Better than the previous Denver collections
Better than Oregon Trail
I told you that it's awesome and I mean it.
The key? Careless collecting for more than a week and rain.
Do the same thing where you live and you'll have the same or similar result.