Hummingbird Summersweet

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Clethra alnifolia 'Hummingbird'
Flowers attract butterflies and hummingbirds. Clethra alnifolia is rarely bothered by deer! Mass in mixed shrub borders for dramatic summer blooms. Great flowering shrub for shade or woodland gardens or along stream banks or ponds.
Product Details
Botanical Name Clethra alnifolia 'Hummingbird'
Common Name Hummingbird Summersweet
Family Clethraceae
Foliage Type Deciduous
Mature Height 3 - 4 ft.
Mature Width 3 - 4 ft.
Preferred Zones Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9
Bloom Time July - August
Bloom Type White / Silver Flower
Preferred Soil Type Widely Adaptable
Sun Exposure Full / Part Sun
Growth Rate Medium
Drought Tolerance Medium
    x

    Average Annual Low Temp (°F)

    1
    Below -50°F
    2
    -50°F to -40°F
    3
    -40°F to -30°F
    4
    -30°F to -20°F
    5
    -20°F to -10°F
    6
    -10°F to 0°F
    7
    0°F to 10°F
    8
    10°F to 20°F
    9
    20°F to 30°F
    10
    30°F to 40°F
    11
    40°F to 50°F
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