The origin of macadamia is Australia. The tree can reach a height of up to 20m. Grafted varieties take 3-4 years after planting to start producing while local varieties usually take 6-7 years.
Suitable Ecological Conditions
Macadamia are tropical trees hence do well in areas where they get full sunlight but sheltered from wind for healthy fruit production. The soil required should be deep and well drained, acidic to slightly acidic with a Ph level of 5-6.5. Rainfall should be between 800-1200mm per year. The ideal range of temperature is between 16-25C.
Historically, farmers planted macadamia trees to provide shade for coffee bushes that produce high-quality coffee; however, today, some coffee farmers have switched to farming macadamia nuts due to the fact that the price for the nuts has more than doubled so far in 2018.
Origin of our macadamia nuts
The macadamia farming has been introduced in Mbeya, Njombe and Songwe regions.
Tanzania has a very huge potential of being among the major exporters of macadamia nuts in the world due to its geographical location and the fact that macadamia grows well in all areas where coffee is doing well.
Macadamias can be produced successfully in areas where avocados, coffee, papayas, mangoes and bananas do well. Macadamia take three to four years to mature. A mature macadamia tree can produce over 300 kilos of nuts in a year.