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Cape Thorn Tree

Vachellia karroofam. Fabaceae
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edibletreesdrought tolerantedibleedible seednative africatree
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pressed specimen — cape thorn tree
Pl. 6605 — Vachellia karroo
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Overview

The Cape Thorn Tree, scientifically known as Vachellia karroo and belonging to the Fabaceae family, is a hardy tree native to southern Africa, including Angola, Botswana, Caprivi Strip, Free State, KwaZulu-Natal, Lesotho, Malawi, Namibia, and Zimbabwe. This tree thrives in full sun and adapts to various soil types, from medium to heavy clay, making it resilient in dry, moist, or wet conditions. Known for its ornamental value and as a source of edible seed, the Cape Thorn Tree can grow up to 10 meters tall. Its distinctive feature is the presence of sharp thorns, which provide protection while adding to its striking appearance. The tree is also valued for its utility, serving as a fire starter, dye, fiber, gum, pioneer plant, soil conditioner, soil reclamation agent, weaving material, tannin source, lumber, and nitrogen fixer. Introduced into regions such as Algeria, Argentina Northeast, Bolivia, Chile Central, Corse, Cyprus, India, Iraq, Italy, Libya, Mauritius, Morocco, Myanmar, Palestine, Paraguay, Portugal, Queensland, Sicilia, Spain, St. Helena, Tunisia, Turkey, and Western Australia, the Cape Thorn Tree has shown adaptability and utility in diverse environments. However, it is important to note its potential as a weed in some areas.

Quick answers

What is Cape Thorn Tree?

The Cape Thorn Tree, scientifically known as Vachellia karroo and belonging to the Fabaceae family, is a hardy tree native to southern Africa, including Angola, Botswana, Caprivi Strip, Free State, KwaZulu-Natal, Lesotho, Malawi, Namibia, and Zimbabwe.

Compare with:Acacia colei→Acacia holosericea→Acacia mearnsii→all comparisons →
Growingconditions · propagation · uses
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Cultivation

The Cape Thorn Tree (Vachellia karroo) thrives in full sun and is adaptable to various soil types, from medium to heavy clay. It can tolerate dry to wet conditions, making it versatile for different garden settings. Hardy in temperate regions, it grows to a height of 10 meters. For propagation, seeds are the recommended method. Ensure the soil is well-draining to prevent waterlogging, which can be a challenge in heavy clay soils. Regular watering is necessary, especially in dry conditions, but the tree can also withstand periods of moisture.
Light
Full sun
Water
Dry, Moist, Wet
Soil
Medium, Heavy (clay)
Hardiness
10-12
Mature size
10.0 m tall
For first-time growers

How to grow Cape Thorn Tree for the first time

8steps

Start with a simple and hardy Cape Thorn Tree for your first gardening project.

  1. 1

    What you'll need

    Cape Thorn Tree seeds, potting soil, a container or garden bed.

  2. 2

    Best time to plant

    Plant in spring when the weather starts warming up.

  3. 3

    Soil and container prep

    Use well-draining soil. For containers, choose one at least 30 cm wide.

  4. 4

    Sowing or transplanting

    Direct sow seeds into the ground or start them indoors in small pots before transplanting.

  5. 5

    First two weeks

    Water sparingly to avoid waterlogging. Keep soil moist but not wet.

  6. 6

    Ongoing care

    Provide full sun and minimal watering, especially once established. Prune lightly if needed.

  7. 7

    Harvest or pruning

    Prune in late winter or early spring to maintain shape and health of the tree.

  8. 8

    Common mistakes

    Overwatering, planting in heavy soil, not providing enough sunlight.

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Edible & utility

Edible parts:Seed
Edible uses: Coffee, Gum
Other uses:Fire starterDyeFiberGumPioneerSoil conditionerSoil reclamationWeaving materialTanninLumberNitrogen fixer
Contextrange · companions · related
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Distribution

14 native · 23 introduced
Distribution across4 continents· 14 native· 23 introduced
Europe5 regions
introduced (5)CyprusFranceItalyPortugalSpain
Asia5 regions
introduced (5)IndiaIraqMyanmarPalestineTurkey
Americas2 regions
introduced (2)BoliviaParaguay
Africa14 regions
native (9)AngolaBotswanaEswatiniLesothoMalawiMozambiqueNamibiaZambiaZimbabwe
introduced (5)AlgeriaLibyaMauritiusMoroccoTunisia
Broader regions
native:Cape Provinces, Caprivi Strip, Free State, KwaZulu-Natal, Northern Provinces
introduced:Argentina Northeast, Chile Central, Queensland, St.Helena, Western Australia
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See also

8 related
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Explore further

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