Iris sericeus
Silky lupines are the most common native lupine in the Palouse region, and they put on a beautiful bloom. At first, I had a lot of trouble getting them to grow, though. They'll die if you try to transplant them, and until I discovered the proper method, I only managed to get a couple of plants to grow out a LOT of seed I had collected. The trick is that the evening before you intend to plant them (so this is in fall), you heat water up to 180º, throw your seeds in, and let the water cool overnight. The vast majority of viable seeds will germinate. This particular lupine came from seed I purchased from Thorn Creek Native Seeds.
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