Blue Star (Amsonia tabernaemontana). Hardy, late-spring flowering perennialDescription: Clusters of pale blue flowers borne on 3-foot stems; dark green, peach-leaf foliage turns yellow in the fallHabit: Grows up to 3 ft high and wide, vase-shaped Culture: Prefers full sun to light shade and rich, well-drained garden loam; established plants are deep-rooted and drought resistant, requiring little careHardiness: USDA Zones 3 through 9Origin: North AmericaAttributes: Fall color, Drought tolerant,... - Blue Star (Amsonia tabernaemontana).
Delft Blue Hyacinth (Hyacinthus orientalis cv.). Early to mid-spring-flowering, hardy, pest-resistant bulbDescription: Large, single-flowered, highly-scented flowers in soft lilac-blueHabit: Flower height 8 to 12 inchesCulture: Plant bulbs 5 to 6 inches deep in well-prepare... - Delft Blue Hyacinth (Hyacinthus orientalis cv.).
Harlequin Blue Flag (Iris versicolor). Hardy, North American, spring-blooming perennialDescription: Showy, bluish-purple, wide-spreading flowers in branched clusters of two or three; falls are often blotched in yellow or purple-veinedHabit: Forms vigorous clumps of... - Harlequin Blue Flag (Iris versicolor).
Blue False Indigo (Baptisia australis). Herbaceous, spring-flowering perennial Description: Deep indigo blue, pea-like flowers in clusters above shrubby plants with bright blue-green foliage Habit: Grows 3 to 4' feet high Culture: Prefers part shade to full sun and moist but w... - Blue False Indigo (Baptisia australis).
Blue Mist Flower (Conoclinium coelestinum). Late summer flowering, North American perennial Description: Deep blue, mist-like flowers in late summer and autumn; attractive burgundy stems Habit: Plants grow to 3 feet high and 4-5 feet wide; spreads by underground runners Culture: Pr... - Blue Mist Flower (Conoclinium coelestinum).
White Shooting Star (Dodecatheon meadia 'Album'). Herbaceous, North American, spring-blooming perennialDescription: White flowers with reflexed petals are borne in clusters that rise on slender stems from a basal rosette of lance-shaped leaves Habit: Grows 10 to 14 inches high in cluster... - White Shooting Star (Dodecatheon meadia 'Album').