Bog sage (Salvia uliginosa) Genus:  Salvia This moisture-loving perennial produces clear blue flowers with white highlights in late summer to mid-autumn. It forms an airy clump to 6 feet tall by 3 feet wide, and is great for the back of a border. It is tolerant of heavy soils. Noteworthy Characteristics:  This species is great in a mixed border; butterflies love it. Care:  Provide moist but well-drained soil in full sun. Propagation:  Sow seed, or divide plants, in spring. Take cuttings spring through fall. Problems:  Powdery mildew, rust, stem rot, fungal leaf spots, whiteflies, aphids, mealybugs, spider mites.

Overview

Height 3 ft. to 6 ft. Spread 1 ft. to 3 ft. Growth Habit Clumps Growth Pace Fast Grower Light Full Sun Only Moisture Medium to Wet Maintenance Moderate Characteristics Attracts Butterflies, Attracts Hummingbirds, Showy Flowers Bloom Time Late Summer, Early Fall, Fall Flower Color Blue, White Uses Beds and Borders, Cut Flower, Indoor Plant, Suitable as Annual, Waterside Style Cottage Garden Seasonal Interest Summer Interest Tolerance Deer Tolerant Type Perennials