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Want to find the perfect plant for your landscape, or identify a mystery plant? Hartman Garden Center has an online Plant Finder to help you with your task. Remember, the best solution is always to talk to our plant and landscaping experts. Don’t hesitate to give us a call at (952) 443-2990.

    perennial

    May Night Sage

    Salvia x sylvestris 'May Night'

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    May Night Sage (Salvia x sylvestris 'May Night') at Hartman Companies

    May Night Sage flowers

    May Night Sage flowers

    (Photo courtesy of NetPS Plant Finder)

    Plant Height:  18 inches

    Flower Height:  24 inches

    Spacing:  15 inches

    Sunlight:  full sun 

    Hardiness Zone:  3

    Other Names:  Perennial Salvia, Salvia x superba

    Ornamental Features

    May Night Sage has masses of beautiful spikes of indigo flowers rising above the foliage from late spring to early summer, which are most effective when planted in groupings. The flowers are excellent for cutting. Its fragrant narrow leaves remain green in color throughout the season. The fruit is not ornamentally significant. The purple stems are very colorful and add to the overall interest of the plant.

    Landscape Attributes

    May Night Sage is an herbaceous perennial with an upright spreading habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

    This is a relatively low maintenance plant, and is best cleaned up in early spring before it resumes active growth for the season. It is a good choice for attracting butterflies and hummingbirds to your yard, but is not particularly attractive to deer who tend to leave it alone in favor of tastier treats. It has no significant negative characteristics.

    May Night Sage is recommended for the following landscape applications;

    • Mass Planting
    • Border Edging
    • General Garden Use
    • Container Planting

    Planting & Growing

    May Night Sage will grow to be about 18 inches tall at maturity extending to 24 inches tall with the flowers, with a spread of 18 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 15 inches apart. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 5 years.

    This plant should only be grown in full sunlight. It is very adaptable to both dry and moist locations, and should do just fine under typical garden conditions. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid. It can be propagated by cuttings; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

    May Night Sage is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden. Be aware that in our climate, most plants cannot be expected to survive the winter if left in containers outdoors, and this plant is no exception. Contact our store for more information on how to protect it over the winter months.

     
     
    Hardiness Zone Plant Height Minimum Sunlight
    Characteristics
    Massing  Edging  Garden  Container 
    Applications
    Flowers  Bark  Attracts Wildlife 
    Ornamental Features
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