I don't know that I have much to contribute but really loved my common yellow daffodils with Muscari Armeniacum. At my daughters home, It's a rather stark mountain landscape and she loves gardening. I planted many common Stello de oro Daylilies across the front of her property. They provide a wild blaze of bright yellow for a long time in a beautiful area that doesn't have a lot of bright color. In my garden, I have over 800 hybrid bearded Iris. My favorite combinations are always when an Iris blooms with a color almost identical to the aquilegia blooming up through the Iris plant. This year I had a beautiful blue combination of those. Last year it was a blue and yellow combination that took my breath away! Carolyn in Los Gatos