Photo by Melody

PlantFiles: Monkey Thorn
Acacia galpinii

Family: Mimosaceae
Genus: Acacia (a-KAY-see-uh) (Info)
Species: galpinii (gal-PIN-ee-eye) (Info)

One member has or wants this plant for trade.


over 40 ft. (12 m)

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USDA Zone 10a: to -1.1 C (30 F)

Sun Exposure:
Full Sun

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Bloom Color:
White/Near White

Bloom Time:
Mid Summer

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Other details:
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Soil pH requirements:
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Patent Information:
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Propagation Methods:
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Seed Collecting:
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By MichaelCharters
Thumbnail #1 of Acacia galpinii by MichaelCharters

By palmbob
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1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive davidjoburg On Dec 31, 2008, davidjoburg from Johannesburg
South Africa wrote:

Acacia galpinii is one of the trees that can survive hot and dry conditions. It makes a beautiful tree where there is enough space and can grow up to 2m per year when it's happy, which my two are. It is an ideal tree for a big garden. In Africa the tree is grazed and used for shade during the hot summer by different animals including giraffe, kudu and elephant. Many birds often prefer nesting in this tree as it provides protection. It provides dappled shade on hot summer days, making it an ideal tree for planting on a lawn where some sun can penetrate.

Monkey-thorn is easy to propagate from seed. Like other plants belonging to the Fabaceae, seed of this tree must be soaked in hot water overnight and then sown the next day. Seed must be sown in a seedling tray filled with river sand. To avoid unnecessary moisture loss, the seed can be covered with vermiculite. Seedlings are fairly fast-growing but must be protected from frost probably for the first growing season. Although it is frost-tolerant, severe frost often kills off tender young branches. The tree prefers full sun. Do not plant it too close to buildings as it has aggresive roots

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