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Clethra alnifolia 'Hummingbird'

Object Details

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Smithsonian Gardens Display Collection
On Display
National Museum of African American History and Culture
Accession Number
2021-0668A
Description
This is a shorter, more compact cultivar of summersweet which also has slightly larger and denser-growing flowers. It blooms slightly earlier than the species.
Hardiness
-40 - 30 F
Attracts
Birds, butterflies to nectar
Bloom Time
July to August
Provenance
From a cultivated plant not of known wild origin
Topic
Display Gardens
Living Collections
Range
cultivated
Life Form
Deciduous shrub/sub-shrub
Bloom Characteristics
Racemes of white flowers are 4-6" (10.2-15.2 cm) long.
Fall Color
Yellow to brown
Fragrance
Sweet, strong
Plant Size
2-4' tall by 3-5' wide (.6-1.22 x .92-1.52 meters)
Data Source
Smithsonian Gardens
Common Name
Summersweet cultivar
Sweet pepperbush cultivar
Group
[vascular plants]
Class
Equisetopsida
Subclass
Magnoliidae
Superorder
Asteranae
Order
Ericales
Family
Clethraceae
Genus
Clethra
Species
alnifolia
Restrictions & Rights
CC0
GUID
http://n2t.net/ark:/65665/ax78f298616-03f3-470f-be7b-d18aa34f0f67
Record ID
ofeo-sg_2021-0668A
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