Tomatoes are a key vegetable crop in Kenya, valued both for their nutritional content—rich in vitamins A, C, and lycopene—and their versatility in fresh and processed forms. They grow best in warm, moderately humid climates with temperatures between 15°C and 25°C, and require well-drained, organic-rich soils with a pH of 5 to 7.5. Proper soil analysis is essential before fertilizer application to ensure optimal growth and yield.

Cabbage requires cool to warm temperatures (15–25°C) with well-distributed rainfall with a well-drained, fertile loamy soils with a pH of 5.5–6.8.

Papaya thrives in warm climates with well-drained soil and adequate rainfall or irrigation. Commonly propagated from seeds, papayas begin fruiting within 6–9 months after planting. Proper spacing, timely fertilization, and pest management are key to achieving optimal yields.

Damping-off is a common problem when greenhouse or field seedlings are grown in wet or infected soils.