Photo by Melody

PlantFiles: Long-spine Acacia
Acacia macracantha

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Family: Mimosaceae
Genus: Acacia (a-KAY-see-uh) (Info)
Species: macracantha (mak-ra-KAN-tha) (Info)

Synonym:Acacia flexuosa
Synonym:Acacia lutea
Synonym:Acacia macracantha var. glabrens
Synonym:Acacia macracanthoides
Synonym:Acacia obtusa

Category:
Tropicals and Tender Perennials

Height:
15-20 ft. (4.7-6 m)

Spacing:
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

Hardiness:
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Bright Yellow

Bloom Time:
Blooms repeatedly

Foliage:
Evergreen

Other details:
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping
This plant is resistant to deer

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
Direct sow as soon as the ground can be worked

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive olddude On Jul 23, 2011, olddude from Big Pine Key, FL (Zone 11) wrote:

Other synonyms are: Mimosa lutea, Poponax macracantha, Poponax macracanthoides

Regional...

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

Cudjoe Key, Florida



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