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PlantFiles: White Alder
Alnus rhombifolia

 
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Family: Betulaceae (beh-tyoo-LAY-see-ee) (Info)
Genus: Alnus (AL-nus) (Info)
Species: rhombifolia (rom-bif-OH-lee-uh) (Info)

Category:
Trees

Height:
30-40 ft. (9-12 m)
over 40 ft. (12 m)

Spacing:
30-40 ft. (9-12 m)
over 40 ft. (12 m)

Hardiness:
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)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Sun Exposure:
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Unknown - Tell us

Bloom Time:
Unknown - Tell us

Foliage:
Grown for foliage
Deciduous

Other details:
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
Unknown - Tell us

Patent Information:
Non-patented

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By palmbob
Thumbnail #1 of Alnus rhombifolia by palmbob

By palmbob
Thumbnail #2 of Alnus rhombifolia by palmbob

By margu
Thumbnail #3 of Alnus rhombifolia by margu

By margu
Thumbnail #4 of Alnus rhombifolia by margu

By margu
Thumbnail #5 of Alnus rhombifolia by margu

By margu
Thumbnail #6 of Alnus rhombifolia by margu

By margu
Thumbnail #7 of Alnus rhombifolia by margu

There are a total of 9 photos.
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Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorComment
Neutral palmbob On Mar 30, 2004, palmbob from Tarzana, CA (Zone 9b) wrote:

Fast and tall native to Southern California (and most of the rest of the west coast)... this tree gets up to 90' tall. Likes water- often find growing right in a stream- not drought tolerant tree.

Regional...

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

Clovis, California
Los Angeles, California
Rocklin, California
Winchester, California



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