Imagine harvesting tender, fresh veggies straight from your garden. Baby marrows are packed with nutrients and incredibly easy to grow.
With a bit of soil and care, you can transform your garden into a thriving space, adding a nutritious and delicious touch to your meals. It’s all about growing food that truly matters, straight from your hands to your plate.
Small but packs a big punch
Baby marrows, also known as zucchini or courgettes, are rich in various phytochemicals and bioactive compounds, explains Cape Town-based crop science specialist, Nthabeleng Pebana.
The compounds act as antioxidants, protecting the plant from oxidative stress and environmental damage.
“Baby marrows contain vitamins and minerals that support metabolic processes, further promoting plant growth and health.”
Nthabeleng Pebana
“They [baby marrows] contain antioxidants, such as vitamin C and beta-carotene, which help protect the plant cells from oxidative stress caused by environmental factors like UV radiation or pathogen attacks,” Pebana says.
However, she notes that while these defence mechanisms provide some protection, baby marrows are still vulnerable to pests and diseases without proper care and cultivation.
The perfect timing
The ideal planting time for baby marrows is spring and summer, particularly between September and November, so they can grow during the warm season and avoid frost and cold conditions in autumn and winter, says Zandile Nkolisa, a scientific technician at the Dohne Agricultural Development Institute in the Eastern Cape.
She explains that Stellenbosch, Ceres, and Overberg in the Western Cape are ideal for producing high-quality marrows due to their Mediterranean climate. The warm, dry summers allow baby marrows to flourish, while the wet winters provide the necessary moisture for the soil.
“Nevertheless, baby marrows are known to thrive best in regions with temperatures between 20°C and 30°C, with adequate rainfall of about 500mm to 700mm annually or irrigation as a substitute in regions with less,” she says.
Other provinces well-suited for baby marrow production include Limpopo (Lowveld), KwaZulu-Natal (northern and southern parts, such as Richards Bay and Durban), Gauteng (Pretoria), and Mpumalanga (White River and Nelspruit).
She notes that another key factor is fertile, frost-free soil. This suggests that baby marrows have the potential to grow in other regions, including parts of the Eastern Cape, as long as the necessary conditions for their growth and development are met.
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Getting the soil right
Nkolisa says baby marrows grow best in loamy, fertile, well-drained soils to prevent waterlogging. They prefer slightly acidic to neutral soils with a pH between 6 and 7.
She recommends taking soil samples for full analysis for soil preparation, especially for larger-scale plantings.
“This will help determine the soil’s texture and nutrient composition.”
Zandile Nkolisa
When it comes to fertilisation, Nkolisa explains that a balanced fertiliser like 10:10:10 NPK can be applied before planting, as baby marrows require high levels of nitrogen, phosphorus, and potassium.
“In cases where farmers cannot use NPK, they can apply organic compost before planting and side-dress with well-rotted manure or compost about four to six weeks after planting,” she adds.
This will ensure a steady supply of nutrients throughout the growing season and result in healthy plants, says Nkolisa.
Managing pests
The common pests found on baby marrows include aphids, cabbage moths, whiteflies, slugs, and snails, explains Nkolisa.
She suggests using organic control measures such as sticky traps to capture pests, neem oil sprays, insecticidal soap, and sprays containing canola oil, all of which can be effective.
“The vegetable takes about two to three months to grow and be ready for harvest, so for late harvest, one can still plant from February to March.”
Regarding diseases, Nkolisa notes that the most common ones affecting baby marrows are downy mildew, powdery mildew, and root rot.
“For root rot, good drainage is an effective control, as it is caused by overwatering or poorly drained soils,” she advises.
During maintenance, mulching is recommended as it helps suppress weeds that compete for nutrients and water with the baby marrows, as well as helps keep the soil moist.
If you follow these tips, you can enjoy fresh, full-of-goodness green baby marrows.
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