Bog Sage (Salvia uliginosa): Moisture-Loving Blue Spikes for Wet Sites

Bog Sage: Clear Blue Flowers for Moist to Wet Soils

Salvia uliginosa is a moisture-loving perennial producing clear blue flowers with white highlights from late summer to mid-autumn. It forms an airy clump to 6 feet tall by 3 feet wide—great for the back of a border. Unlike most salvias, it tolerates heavy soils and wet conditions.

Wet-Site Specialist

• Clear blue flowers with white highlights
• Late summer to mid-autumn bloom
• Airy 6 ft. × 3 ft. clump
• Tolerates heavy, wet soils
• Attracts butterflies and hummingbirds
• Deer tolerant

Growing Conditions

• Light: Full sun only
• Soil: Moist but well-drained (tolerates heavier soils)
• Water: Medium to wet
• Maintenance: Moderate

Propagation

Sow seed or divide in spring; take cuttings spring through fall.

Potential Problems

Powdery mildew, rust, stem rot, fungal leaf spots, whiteflies, aphids, mealybugs, spider mites.

Quick Reference

Height:	3–6 ft.
Spread:	1–3 ft.
Bloom Time:	Late summer, early fall, fall
Flower Colors:	Blue, white
Growth Rate:	Fast
Tolerance:	Deer tolerant
Uses:	Borders, cut flowers, waterside, containers, cottage gardens