‘May Night’ is a garden classic, producing deep indigo flower spikes in early summer, with rebloom possible if deadheaded. Compact, hardy, and reliable, it’s one of the best salvias for cool-season bloom.
Water Needs: Moderate; drought-tolerant once established
Sun Needs: Full sun
Soil Requirements: Average, well-drained soils
Growing Zone: USDA Zones 4–9
Cold Hardiness: Down to ~–30°F (–34°C)
Mature Size: 18–24 in tall x 18 in wide
Native Origin: Hybrid of European meadow sages
Best Substitutes For: Catmint, Veronica
Landscape Uses: Borders, cottage gardens, pollinator gardens
‘May Night’ is a garden classic, producing deep indigo flower spikes in early summer, with rebloom possible if deadheaded. Compact, hardy, and reliable, it’s one of the best salvias for cool-season bloom.
Water Needs: Moderate; drought-tolerant once established
Sun Needs: Full sun
Soil Requirements: Average, well-drained soils
Growing Zone: USDA Zones 4–9
Cold Hardiness: Down to ~–30°F (–34°C)
Mature Size: 18–24 in tall x 18 in wide
Native Origin: Hybrid of European meadow sages
Best Substitutes For: Catmint, Veronica
Landscape Uses: Borders, cottage gardens, pollinator gardens