Vanilla Spice® Summersweet Clethra alnifolia

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  • Vanilla Spice® - Summersweet - Clethra alnifolia
  • vanilla_spice_clethra-8824.jpg
  • vanilla_spice_clethra-3225.jpg
  • a flower next to a coin
  • a close up of white flowers
  • packaged goods
Exposure
  • Part Shade to Shade
  • Part Sun to Sun
  • Sun
Flower Season
  • Summer
  • Fall
Mature Size
Height: 3' - 6'
Spread: 3' - 5'

This plant is hardy in zones 4 - 9

Zones are based on the average annual extreme minimum temperature an area is expected to receive during the winter. They are used to determine whether a plant is likely to be perennial in your area. If the number in the green box below is within the zone range listed for the plant, it will be hardy for you and thrive in your climate.

  • 4
  • 5
  • 6
  • 7
  • 8
  • 9

What is my hardiness zone?

NORTH BAY, ONTARIO 

ZONE 4

  • FEATURES

    Extra large, fragrant summer blooms.

    This delightful, deer-resistant native plant attracts butterflies and hummingbirds. The attractive, glossy dark green leaves set off the pure white summer flowers.  The flowers are wonderfully fragrant!  Plant it near the deck or patio to enjoy the sweet scent in mid-summer.  Selected for its extra large flowers - individual florets are roughly double the size of other varieties.

    Fragrant Flower
    Fall Interest
    Attracts: 
    Butterflies
    Hummingbirds
    Resists: 
    Deer
    Native to North America

    CHARACTERISTICS

    Plant Type: 
    Shrub
    Shrub Type: 
    Deciduous
    Height Category: 
    Tall
    Garden Height: 
    36 - 72 Inches
    Spacing: 
    60 - 72 Inches
    Spread: 
    36 - 60 Inches
    Flower Colors: 
    White
    Flower Shade: 
    White
    Foliage Colors: 
    Green
    Foliage Shade: 
    Dark Green
    Habit: 
    Upright
    Container Role: 
    Thriller

    PLANT NEEDS

    Light Requirement: 
    Part Shade to Shade
    Part Sun to Sun
    Sun

    The optimum amount of sun or shade each plant needs to thrive: Full Sun (6+ hours), Part Sun (4-6 hours), Full Shade (up to 4 hours).

    Maintenance Category: 
    Easy
    Blooms On: 
    New Wood
    Bloom Time: 
    Mid Summer
    Hardiness Zones: 
    4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
    Water Category: 
    Average
    Uses: 
    Landscape
    Uses Notes: 

    Ideal for mixed borders and naturalizing, especially wet and semi-shady sites.

    Maintenance Notes: 

    Prune to shape in late winter. Fertilize with a controlled release fertilizer in spring. Supplemental fertilizing with liquid fertilizer may be needed in summer. Tolerates damp soils.

    Vanilla Spice® Clethra alnifolia 'Caleb' USPP 21,589, Can 4,167
    PICTURES AND INFORMATION COPIED FROM PROVEN WINNERS 
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