Acacia mearnsii
- Families: Fabaceae Caesalpinioideae Acacieae
- English name: Mearns wattle
- Plant ID : 639
- Author : Émile Auguste Joseph De Wildeman
- Zone : Australia
- Biological type : tree
- Adult size (h x w) : 82,02f x 32,81f
- Sun exposure : full sun
- Evergreen : evergreen
- Growth : very 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
- Gravelly soil : very much
- Clay soil : very much
- Sandy soil : very much
- Coastal zone : a little
