Aubergines Growing Problems and Solutions

Common aubergine issues and how to fix them

August 31, 2025 | 10 min read
Healthy aubergine plants growing in a UK garden

As an experienced gardener based in Staffordshire, I've spent over 15 years cultivating a variety of vegetables in our unique Midlands climate. Aubergines, or eggplants as some might call them, can be a rewarding crop but they do come with their challenges. Let's delve into the common problems you might encounter when growing aubergines and how to tackle them effectively.

Quick Answer

The key to healthy aubergines is proper watering, pest control, and attention to temperature. Ensure your plants have warm conditions, are kept moist but not waterlogged, and are protected from common pests like aphids and spider mites.

Understanding the Climate Needs

Aubergines thrive in warm climates, which can be a bit tricky here in the UK, particularly in Staffordshire. They need temperatures above 20°C to grow properly. Consider starting your seeds indoors around February or March, using a heated propagator if possible, to give them a good head start.

Planting Calendar

Task Month Details
Start Seeds Indoors February-March Use a heated propagator
Transplant Outdoors May-June After last frost
Harvest July-September When fruits are glossy and firm

Common Problems and Their Solutions

Poor Fruit Development

If your aubergines aren't developing as expected, it might be due to insufficient pollination or low temperatures. You can hand-pollinate using a small brush to transfer pollen between flowers. Ensure they are kept warm, especially during cooler nights.

  • Use small brushes for hand-pollination.
  • Maintain temperatures above 20°C.
  • Provide support for plants to avoid damage.

Pests and Diseases

Aphids and spider mites are common pests that can affect your aubergines. Regularly inspect your plants and use a gentle spray of water or homemade insecticidal soap to manage small infestations. For diseases like blight, ensure good air circulation and avoid overhead watering.

  • Inspect plants weekly for pests.
  • Use insecticidal soap for pest control.
  • Ensure proper spacing for air circulation.

Yellowing Leaves

Yellow leaves often indicate nutrient deficiencies or water issues. Ensure your plants are well-fed with a balanced fertiliser high in potassium, and maintain consistent watering. Avoid waterlogged conditions by ensuring good drainage.

Frequently Asked Questions

Why are my aubergine leaves turning yellow?

Yellowing leaves can be due to nutrient deficiencies or improper watering. Ensure your soil has adequate nutrients and that you are watering consistently without overdoing it.

When is the best time to plant aubergines outdoors in the UK?

It's best to transplant aubergines outdoors in May or June, once the risk of frost has passed and temperatures have stabilised.

How can I prevent pests on my aubergine plants?

Regular inspection and early intervention are key. Use natural insecticidal soaps and encourage beneficial insects that prey on common aubergine pests.

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