Once a mechanical engineer with experience abroad, Siphelele Vumisa now cultivates 32 hectares of macadamia orchards in KwaZulu-Natal, swapping out machines for trees.
Born into a farming household, Vumisa’s father, Isaac Vumisa, raised cattle and goats, while his mother focused on growing sweet potatoes and tomatoes. Despite his agricultural upbringing, Vumisa chose a different path.
“It wasn’t agriculture that I wanted to do because it was something I was familiar with,” he says.
Instead, he pursued a military course, then later continued his studies at the University of Pretoria, graduating as an engineer before working in Bristol, England, for two years.
After working for Rolls-Royce in England, he returned to Limpopo, South Africa, where his time on a military base sparked his curiosity in agriculture.
Engineering his way to a nutty success
Back in Limpopo, Vumisa began exploring the world of agriculture. The road ahead was uncertain, until a series of heartfelt conversations with Richard Ball, an experienced mentor in Louis Trichardt, helped him discover his niche – macadamia farming.
Before fully committing to macadamia farming, Vumisa decided to test the land’s potential.
“I didn’t cultivate the land right away, I planted my first batch of macadamia seeds and left it to its own devices to see what would survive. That way, I could understand what naturally thrives here and what struggles,” he says.
His approach was based on the belief that plants should be able to endure tough conditions rather than being overly dependent on human intervention.
Today, Vumisa cultivates various macadamia cultivars, including A4, Nelmac 2 (N2), A216, A16, and A214 on 32 hectares of land. “Some are just upright cultivars (8×3 spacing), and then some are broad cultivars, broadly growing cultivars (8×4 spacing), and some are just hybrid cultivars,” he explains.
He specifically chose these varieties because they are well-suited to KwaZulu-Natal’s climate and are recommended by processors. His primary processor is Coastal Macadamias, with whom he has an offtake agreement.
Vumisa started with 10 hectares after signing a contract with the government. At the time, he was already collaborating with Macadamia South Africa (Samac), which had initially committed to funding only the plant material. Samac operates on a co-funding model, where they provide 70% of the funds, and the farmer contributes the remaining 30%.
He used his government contract as leverage. The government added 10 hectares to his existing 10, and Samac funded another 12, bringing the total to 32 hectares.
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Farming with the sun
Vumisa also farms Nguni and Boran cattle, breeds known for adaptability and resilience. “Nguni cattle are the best breed for our conditions because they can thrive in harsh environments with minimal input,” he explains.
Sustainability is central to Vumisa’s approach, both in managing high operating costs and protecting the environment. His farm uses solar-powered irrigation and operates with a licensed water system that draws from a nearby dam and stream via pipeline.
Vumisa’s farming philosophy is built on resilience. He prefers to toughen his crops and livestock to adapt naturally to environmental challenges, avoiding over-reliance on inputs.
Despite being the only macadamia farmer in his immediate vicinity, Vumisa has not yet encountered significant pest problems, apart from locusts in January. However, he anticipates that pest pressures will develop as more farmers in the region begin cultivating macadamias.
In collaboration with the department of agriculture, Vumisa is also helping to introduce macadamia farming in schools – ensuring the next generation learns about the crop early. His passion for sharing knowledge is rooted in the mentorship that shaped his own journey.
Mentors, macadamias, and making it work
It was during his time back in Limpopo, while stationed at a military base, that an encounter with Ball would shape his farming journey. They met during Vumisa’s military service when he stayed at Ball’s guesthouse, and their shared love for farming quickly formed a lasting bond.
“Richard Ball is an old friend of mine. He is a passionate farmer. When we talked, I realised what I needed to do,” Vumisa recalls.
Meanwhile, Ball fondly describes Vumisa as “an enthusiastic person. He just loves farming.”
Vumisa’s journey into macadamia farming was further shaped by forestry consultant William Davidson, who guided him in orchard layout and management – knowledge that laid a strong foundation for his operations.
Building on that foundation, Vumisa also draws on his engineering background to manage and maintain his farm. “I do my own maintenance. Maintenance is a major component on the farm,” he said. He constructs basic tools and handles welding work, ensuring smooth day-to-day operations.
Managing the business side of the farm is a challenge, but Vumisa handles most aspects himself, with assistance from an administrative worker. He currently employs eight permanent workers, supplemented by seasonal staff. Looking ahead, he aims to establish proper offices for more streamlined operations.
Vumisani encourages aspiring farmers to be proactive in their learning. “They must get involved in study groups and attend farmers’ days,” he advises. He believes that networking and continuous education are essential to staying informed and overcoming challenges in the agricultural industry.
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