Vachellia karroo
- Families: Fabaceae Caesalpinioideae Acacieae
- English name: Sweet thorn
- Plant ID : 2263
- Author : (Friedrich Gottlob Hayne (1763-1832)) Enrico Augusto Banfi (1948-) & Gabriele Galasso (1967-)
- Zone : South Africa
- Biological type : tree
- Adult size (h x w) : 39,37f x 32,81f
- Sun exposure : full sun
- Evergreen : deciduous
- Growth : fast
- Hardiness : 14°F
- Leaf color : dark green
- Flower color : yellow
- Formerly of wild origin : yes
- Native : no
- In danger : no
- Edible : no
- Precipitation : > 900mm
- FrostResistance >-5°C : yes
- FrostResistance >-8°C : yes
- Clay soil : very much
- Sandy soil : very much
- Limestone soil : very much
- Ornamental : a little