20-30cm. Houseplants are typically 20cm - 50cm. Wild plants can reach up to 9m in height.
Native to Ethiopia, Sudan and Kenya, but now also grown in South America, the Caribbean, Asia and parts of West Africa.
Coffea arabica is native to humid high altitude locations with heavy rainfall and mild temperatures. They grow best at temperatures between 15C and 24C, and are able to tolerate temperatures down to approx. 5C, making them ideal plants for conservatories.