One of the best for mountain Gardens. Dianthus barbatus Sweet William Pink, red, white Forms low, colorful mats at higher elevations. May not be dependable over 9,000 feet. Flowers appear in second year. Gaillardia aristata Gaillardia, blanket flower Yellow-red Start seed indoors.
Flowers appear first year.
Various May not flower until July at higher elevations. Iris siberica Siberian iris Violet, white Observed no higher than 9,300 feet elevation but probably hardy above 10,000 feet. Lathyrus latifolius Perennial sweet pea Pink Tolerates shade. Useful for trellis cover. Orange Other lilies also may thrive, but this is hardy and has reliable bloom.