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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.

    annual

    Regatta Midnight Blue Lobelia

    Lobelia erinus 'Regatta Midnight Blue'

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    Regatta Midnight Blue Lobelia (Lobelia erinus 'Regatta Midnight Blue') at Hartman Companies

    Regatta Midnight Blue Lobelia flowers

    Regatta Midnight Blue Lobelia flowers

    (Photo courtesy of NetPS Plant Finder)

    Height:  8 inches

    Spacing:  10 inches

    Sunlight:  partial shade 

    Hardiness Zone:  (annual)

    Group/Class:  Regatta Series

    Brand:  Ball

    Ornamental Features

    Regatta Midnight Blue Lobelia features dainty royal blue flowers at the ends of the stems from mid spring to mid fall. Its tiny narrow leaves remain green in color throughout the season. The fruit is not ornamentally significant.

    Landscape Attributes

    Regatta Midnight Blue Lobelia is an herbaceous annual with a trailing habit of growth, eventually spilling over the edges of hanging baskets and containers. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

    This plant will require occasional maintenance and upkeep. Trim off the flower heads after they fade and die to encourage more blooms late into the season. It has no significant negative characteristics.

    Regatta Midnight Blue Lobelia is recommended for the following landscape applications;

    • Mass Planting
    • Rock/Alpine Gardens
    • Border Edging
    • General Garden Use
    • Groundcover
    • Hanging Baskets

    Planting & Growing

    Regatta Midnight Blue Lobelia will grow to be about 8 inches tall at maturity, with a spread of 12 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 10 inches apart. Its foliage tends to remain low and dense right to the ground. Although it's not a true annual, this fast-growing plant can be expected to behave as an annual in our climate if left outdoors over the winter, usually needing replacement the following year. As such, gardeners should take into consideration that it will perform differently than it would in its native habitat.

    This plant should be grown in a location that is shaded from the hot afternoon sun. 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 somewhat tolerant of urban pollution. This is a selected variety of a species not originally from North America. 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.

    Regatta Midnight Blue Lobelia is a fine choice for the garden, but it is also a good selection for planting in hanging baskets. Because of its trailing habit of growth, it is ideally suited for use as a 'spiller' in the 'spiller-thriller-filler' container combination; plant it near the edges where it can spill gracefully over the pot. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

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