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Yellow-green leaves contrast deep, sky-blue flowers in late spring-fall. The overall form is dense & upright and it spreads via rhizomes. Though the common name 'Bog Salvia' indicates that it requires constant wet, this plant is unusual in that it tolerates wet to dry soils and everything in between. It...

Try this show-stopping Salvia, thought to be a cross between S. leucantha and possibly S. chiapensis, which was found in the UC- Santa Cruz Arboretum, and named for Phyllis Norris. Foot-long flower stalks are graced with charming, fuzzy lavender-tinted white flowers which create a lovely contrast to their dark-purple bracts. Provide a bold...

A large perennial Salvia — to three feet tall in a single season — blooms from spring to frost with dark purple flowers. Mature size: 3 ft tall x 4 ft wide Minimum temperature: 10° F

A hale and hearty perennial salvia, with dark purple-blue flowers, that performs continuously from early summer until frost! Similar to the well-known cultivar 'Black and Blue'. Hummers will salivate for this Salvia. Mulch well to encourage overwintering. 3 ft tall x 3 ft wide and sturdy. Minimum temperature: 10° F

Large flowers, the color of faded blue jeans, bloom on 20-inch stems from spring until frost, particularly if given well-draining, rich soil. Once again, another Salvia for the bees, butterflies, and hummingbirds. Mature size: 2 ft T x W Minimum temperature: 10° F

Shorter in stature at 14 inches tall and spreading, this Salvia extends its season of interest with colorful whorled purple calyces like so many pom-poms lining the stems. Mature size: 14 inches T x 18+ inches W; spreads where happy. Minimum temperature: -10° F

Loose sprays of tubular, deep magenta flowers burst forth summer through fall on this perennial native to Mexico. Forms a compact mound that grows by almost a foot when in bloom. Prune after bloom to keep it looking tidy. Mature size: 3 ft T x W Minimum temperature: 10° F

A small salvia, thick with tiny, midnight-purple blooms flowers late in summer and continues until frost. 'Nuevo Leon' quickly forms a clump. Place against light green or its complement of yellow-orange for a little visual excitement, or with other blues and purples for deep, dark richness—a saturated and glowing color that holds its...

'Hot Lips' attracts bees and hummingbirds! Prolific white blooms, kissed boldly with crimson, cover the plant from late May until frost. Mature size: 2 ft T x W or wider if well-situated. Minimum temperature: -10° F

A candelabra effect of deep purple flowers on upright stems from a central rosette. Mature size: 1-2 ft T x 1-2 ft W Minimum temperature: -20° F

shrubby perennial; mature size 3 ft T x 4-6 ft W Minimum temperature: 25° F

A charcoal-black calyx ensconces deep purple-blue, double-lipped flowers for an elegant, romantic combination. Its deep, dark, saturated color is exhilarating against its light green leaves! Reliably hardy, growing 3' x 3' and sturdy. Hummers will salivate for this Salvia. Minimum temperature: 10° F

This biennial sage is an annual source of wonder for customers who are astounded by its huge, showy, glowing lavender-pink bracts. Mature size: to 5 ft tall x 2 ft wide in its second year. Minimum temperature: -20° F

This compact, semi-evergreen woody perennial can pump out dark purple-lavender (not really azure-blue) blooms spring through fall given good conditions. Well-draining soil, occasional water once established, and a warm, sunny site will make it happy. If the blooming slows down, give it a light pruning and a side-dressing of compost and it should...

In late spring through early summer, violet flower spikes attract bees, butterflies, and hummingbirds. Deadhead for longer bloom; cut back to basal leaves if it becomes floppy. A good cut flower. Mature size: 1.5 ft T x 18 – 24 in W Minimum temperature: -30° F

'Guanajuato' was discovered in 1991 during an English botanical expedition in the Sierra de Guanajuato in Mexico. Two-inch-long Gentian-blue parrot's beak flowers bloom in mid to late summer on this branching clumper. Contrary to what you might think, it prefers bright or dappled shade. Mulch heavily for winter in the...