Hidden Treasure. Seidl. 1989. Semi-double to single yellow flowers have red basal flares and pink stigmas. Flower stems can be long and are suitable for cutting. Plants are low growing, about 24 inches for us and look good at the front of the border or in a rock garden. Foliage is deep green and wider than most intersectionals. Vigorous grower. Week 5 bloom time. No fertility noted. (lactiflora x Alice Harding) Ships in late September to mid October.