May Night Sage

Salvia x sylvestris 'Mainacht'

Plant Details:

Plant Type: Perennial
Plant Family: Lamiaceae
Plant Description: Upright clump-forming perennial with long-blooming deep-blue flowers starting in early summer. Mid to dark green foliage grows on upright stems which will flop over after blooming. These old stems can be cut back nearly to the ground to promote reblooming. Plant in well-drained soil and do not overwater.

Maintenance:

Maintenance Type: Perennial - Herbaceous
Plant Care: Perennial - Herbaceous (soft-stemmed plants that die back in winter and regrow in spring): Remove spent blooms to promote rebloom later. Some plants tend to flop over after the first bloom and attempt to regrow from the base; in these cases, the old stems can be cut away in summer. As plants become dormant in the fall, remove dead leaves and stems.

Plant Attributes:

Mature Size: 18-28" tall x 12-18" wide
Utah Native: No
Plant Select: No
Pollinator Friendly: Yes
Localscapes: Infill Plant
Foliage Interest: No
Foliage Colors: Green
Bloom Colors: Purple
Bloom Seasons: Early Summer, Late Summer, Summer
Bloom Period: Jun - Aug

Growing Conditions:

Hardiness Zone: 4 to 8
Light Requirement: Full Sun (6+ hrs sun), Part Shade (4-6 hrs morning sun), Part Sun (4-6 hrs afternoon sun)
Irrigation Requirement:     Low (1/2" every 10-14 days)
Salt Tolerant: Yes
Deer Resistant: Yes

Garden Location:

  • Commercial Concepts
    • Education Center Parking
    • Education Center Staff Parking
  • Design Path
    • Design Ideas-Middle
    • Winter Interest
  • Irrigation Path
    • Fragrance Garden
  • Maintenance Path
    • Outsmart Invaders
  • Neighborhood Landscapes
    • Prudent Perennials

Garden Staff Tips & Insights:

Stays more upright if watered more lightly. Cut completely to the ground after first flush of blooms fade to promote regrowth and more attractive rebloom.
  • Spring
  • Summer
  • Fall
  • Winter