This low-growing, long-flowering perennial has dense flower spikes and is excellent in front of the border or in rock gardens.

Varieties:

Darwin’s Blue - tiny, purple-blue flowers, summer bloom, 12-18” tall

Georgia Blue - blue flowers, late spring-mid summer bloom, 3-6” tall

hybrida Sunny Border Blue - dark violet-blue flowers, June bloom until frost, 18-20” tall

Icicle -  white flowers, July-September bloom, 18-24” tall

Incana - deep blue flowers, June-August bloom, 12” tall

longifolia - blue to white flowers, 18” tall

Nester - baby-blue flowers, May bloom, 2” tall

Sightseeing Mix - white, pink, and blue flowers, July-August bloom, 24-28” tall

spicata Alba - white flowers, late summer bloom, 12-24” tall

spicata Blue - blue flowers, July-August bloom, 12-20” tall

spicata Noah Williams - white flowers, summer bloom, 18” tall

spicata Rosea - rose-colored flowers, summer bloom, 6-18” tall

teucrium Royal Blue - blue flowers, summer bloom, 36” tall

Water Perry - deep blue flowers, late April-May bloom, 3” tall