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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.

    shrub

    Hummingbird Summersweet

    Clethra alnifolia 'Hummingbird'

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    Hummingbird Summersweet (Clethra alnifolia 'Hummingbird') at Hartman Companies

    Hummingbird Summersweet flowers

    Hummingbird Summersweet flowers

    (Photo courtesy of NetPS Plant Finder)

    Hummingbird Summersweet (Clethra alnifolia 'Hummingbird') at Hartman Companies

    Hummingbird Summersweet flowers

    Hummingbird Summersweet flowers

    (Photo courtesy of NetPS Plant Finder)

    Height:  3 feet

    Spread:  4 feet

    Sunlight:  full sun  partial shade 

    Hardiness Zone:  4

    Other Names:  Sweet Pepperbush

    Description:

    An intensely fragrant shrub with very floriferous spikes of white flowers in late summer when little else is in flower; neat, compact habit of growth and good fall color; needs moist acidic soil; some suckering

    Ornamental Features

    Hummingbird Summersweet has masses of beautiful spikes of fragrant white flowers rising above the foliage from mid to late summer, which are most effective when planted in groupings. It has green foliage throughout the season. The glossy round leaves turn an outstanding harvest gold in the fall. The fruit is not ornamentally significant.

    Landscape Attributes

    Hummingbird Summersweet is a multi-stemmed deciduous shrub with a more or less rounded form. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

    This shrub will require occasional maintenance and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. It is a good choice for attracting bees and butterflies to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

    • Suckering

    Hummingbird Summersweet is recommended for the following landscape applications;

    • Mass Planting
    • General Garden Use
    • Naturalizing And Woodland Gardens

    Planting & Growing

    Hummingbird Summersweet will grow to be about 3 feet tall at maturity, with a spread of 4 feet. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. It grows at a slow rate, and under ideal conditions can be expected to live for approximately 30 years.

    This shrub does best in full sun to partial shade. It is quite adaptable, prefering to grow in average to wet conditions, and will even tolerate some standing water. It is not particular as to soil type, but has a definite preference for acidic soils, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This is a selection of a native North American species.

     
     
    Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
    Characteristics
    Massing  Garden  Naturalizing 
    Applications
    Flowers  Fall Color  Attracts Wildlife 
    Ornamental Features
    Member, MN Nursery & Landscape Association
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