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Siberian Iris ‘Baby Sister’ is a perennial with violet-blue flowers that blooms in May and June. ‘Baby Sister’ grows 6 inches tall and performs equally well in full sun or partial shade:
Brunnera macrophylla (Siberian Bugloss) is a spring-blooming perennial with sky-blue flowers. It’s a cousin to forget-me-nots and grows 12 to 16 inches tall. Siberian Bugloss grows best in partial or full shade:
Borage is an annual herb with bristly leaves and stems and blue flowers. It grows 2 to 3 feet tall and prefers full sun. The flowers are a bee magnet:
Larkspurs come in various colors including blue. Their height varies by variety. This annual is a member of the delphinium family and grows well in full sun to partial shade:
