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PlantFiles: Hazel Alder, Smooth Alder, Tag Alder, Swamp Alder
Alnus serrulata

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Family: Betulaceae (beh-tyoo-LAY-see-ee) (Info)
Genus: Alnus (AL-nus) (Info)
Species: serrulata (ser-yoo-LAY-tuh) (Info)

Synonym:Alnus incana var. serrulata
Synonym:Alnus noveboracensis
Synonym:Alnus serrulata var. subelliptica

2 vendors have this plant for sale.

3 members have or want this plant for trade.

Category:
Shrubs
Trees

Height:
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)

Spacing:
12-15 ft. (3.6-4.7 m)

Hardiness:
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Inconspicuous/none

Bloom Time:
N/A

Foliage:
Deciduous

Other details:
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By Jeff_Beck
Thumbnail #1 of Alnus serrulata by Jeff_Beck

By Jeff_Beck
Thumbnail #2 of Alnus serrulata by Jeff_Beck

By Jeff_Beck
Thumbnail #3 of Alnus serrulata by Jeff_Beck

By Jeff_Beck
Thumbnail #4 of Alnus serrulata by Jeff_Beck

By Rickwebb
Thumbnail #5 of Alnus serrulata by Rickwebb

By Rickwebb
Thumbnail #6 of Alnus serrulata by Rickwebb

By Rickwebb
Thumbnail #7 of Alnus serrulata by Rickwebb

There are a total of 12 photos.
Click here to view them all!

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Rickwebb On Dec 28, 2013, Rickwebb from Downingtown, PA wrote:

I've seen it wild in a few spots along watercourses or ponds in southeast PA and northern Delaware. Seems like a nice native plant that would work in informal or naturalistic landscapes. It has handsome foliage and smooth gray bark. There is a very similar species of Speckled Alder that mostly grows farther north, though there is some overlap of range. The Speckled tends to be larger, has whitish lenticels on the stems, and has less even teeth on the leaf margins.

Neutral escambiaguy On Aug 30, 2007, escambiaguy from Atmore, AL (Zone 8b) wrote:

Hazel Alder grows in wet areas along streams in my area. It commonly grows along with Sweetspire, Buttonbush, and Elderberry.

Regional...

This plant has been said to grow in the following regions:

Atmore, Alabama
Morrilton, Arkansas
Winterthur, Delaware
Lawrenceville, Georgia
Monroe, Georgia
Downingtown, Pennsylvania



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