Eggplants, also known as aubergines, are a fantastic option for container gardening, especially for those with limited space or poor soil. With the right conditions, you can successfully grow these vibrant, versatile vegetables on your patio, balcony, or even a sunny windowsill.
Choosing the Right Container
The key to growing eggplants in containers is selecting the right pot. Choose a container that is at least 30cm in diameter and has good drainage holes. Eggplants have deep root systems, so a deep container (40-50cm in height) will give the roots plenty of room to grow.
Soil and Fertilisation
Eggplants thrive in rich, well-draining soil. Use a high-quality potting mix, and consider adding compost to improve soil fertility. Eggplants are heavy feeders, so regular fertilisation is important. Use a balanced fertiliser, or one that’s slightly higher in potassium, to encourage healthy growth and fruiting.
Location and Sunlight
Eggplants need plenty of sunlight to produce their best crops. Place your container in a sunny spot where the plant will receive at least 6-8 hours of sunlight per day. In New Zealand’s temperate climate, this makes spring and summer the ideal growing seasons for eggplants.
Watering
Keep the soil consistently moist, but not soggy. Eggplants have a moderate need for water, and they will appreciate being watered regularly, especially during dry spells. Make sure your container drains well to prevent waterlogging, which can cause root rot.
Care and Maintenance
Regularly check for pests, such as aphids or caterpillars, which can affect the plant. If your eggplants start to show signs of disease or stress, remove any affected leaves to keep the plant healthy. Eggplants also benefit from occasional pruning to encourage strong growth.
Harvesting
Eggplants are ready to harvest when the fruit reaches full size, is firm to the touch, and has a shiny, vibrant skin. Gently cut the fruit from the plant using sharp scissors or pruners, leaving a small stem attached to the fruit. Harvesting regularly encourages the plant to produce more fruit throughout the growing season.