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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

    Irish Moss

    Sagina subulata

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    Irish Moss (Sagina subulata) at Hartman Companies

    Irish Moss

    Irish Moss

    (Photo courtesy of NetPS Plant Finder)

    Height:  1 inch

    Spread:  12 inches

    Sunlight:  full sun  partial shade 

    Hardiness Zone:  3

    Ornamental Features

    Irish Moss features tiny white star-shaped flowers at the ends of the stems from mid spring to mid summer. Its tiny needle-like leaves emerge light green in spring, turning emerald green in color the rest of the year. The fruit is not ornamentally significant.

    Landscape Attributes

    Irish Moss is an herbaceous evergreen perennial with a ground-hugging habit of growth. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

    This is a relatively low maintenance plant, and usually looks its best without pruning, although it will tolerate pruning. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

    • Spreading

    Irish Moss is recommended for the following landscape applications;

    • Rock/Alpine Gardens
    • Border Edging
    • General Garden Use
    • Groundcover

    Planting & Growing

    Irish Moss will grow to be only 1 inch tall at maturity, with a spread of 12 inches. Its foliage tends to remain low and dense right to the ground. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years.

    This plant does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. Consider covering it with a thick layer of mulch in winter to protect it in exposed locations or colder microclimates. This species is not originally from North America. It can be propagated by division.

     
     
    Hardiness Zone Plant Height Minimum Sunlight
    Characteristics
    Rock  Edging  Garden  Groundcover 
    Applications
    Flowers  Texture 
    Ornamental Features
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