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PlantFiles: Black Wattle
Acacia mearnsii

 
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Family: Mimosaceae
Genus: Acacia (a-KAY-see-uh) (Info)
Species: mearnsii (MEARN-zee-eye) (Info)

Category:
Trees

Height:
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
over 40 ft. (12 m)

Spacing:
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)

Hardiness:
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Pale Yellow

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Evergreen

Other details:
May be a noxious weed or invasive
Flowers are fragrant

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From semi-hardwood cuttings
From seed; direct sow after last frost
Scarify seed before sowing

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

By kennedyh
Thumbnail #1 of Acacia mearnsii by kennedyh

By kennedyh
Thumbnail #2 of Acacia mearnsii by kennedyh

By kennedyh
Thumbnail #3 of Acacia mearnsii by kennedyh

By kennedyh
Thumbnail #4 of Acacia mearnsii by kennedyh

By htop
Thumbnail #5 of Acacia mearnsii by htop

By htop
Thumbnail #6 of Acacia mearnsii by htop

By htop
Thumbnail #7 of Acacia mearnsii by htop

There are a total of 11 photos.
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Profile:

No positives
1 neutral
1 negative

Gardeners' Notes:

RatingAuthorComment
Neutral htop On Mar 7, 2008, htop from San Antonio, TX
(Zone 8b) wrote:

I ahve not grown this plant. Black Wattle (Acacia mearnsii) has become naturalized in Hawaii and California.

Negative tonyf On Dec 11, 2004, tonyf from Sydney
() wrote:

In Australia it is subject to borers and has a short life span of 5 to 7 years.



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