Preventing Tomato Diseases

Productive backyard garden with ripe red, yellow and orange tomatoes growing in raised beds and black grow bags

Cherry, Roma, beefsteak, grape and colourful heirloom tomato varieties displayed together — Popular tomato varieties include cherry, Roma, beefsteak, grape and colourful heirloom tomatoes.

Basket filled with freshly picked red, yellow and orange homegrown tomatoes — A colourful harvest of freshly picked tomatoes grown in a productive backyard garden.

Growing tomatoes at home is a rewarding way to enjoy fresh, flavourful produce throughout the warmer months. Tomato plants can be grown in traditional garden beds, raised beds, large pots or black grow bags. This flexibility makes them suitable for suburban backyards, patios, courtyards and smaller growing spaces.

Successful tomato growing begins with choosing a variety suited to your garden and local climate. Cherry tomatoes are productive and ideal for beginners, while Roma tomatoes are excellent for sauces and cooking. Beefsteak varieties produce large slicing tomatoes, and colourful heirloom varieties add flavour and interest to the garden.

Healthy tomato plants growing in black fabric grow bags raised on small timber pallets for drainage

Tomato plants can thrive in black grow bags raised on small pallets to improve drainage and airflow.

Select a sunny position that receives at least six hours of direct sunlight each day.

Tomatoes prefer fertile, well-drained soil enriched with compost or aged organic matter. If you are planting in pots or grow bags, use a quality potting mix and ensure the container has adequate drainage.

Water tomato plants deeply and regularly, particularly during flowering and fruit development. Aim the water at the soil rather than the leaves. Consistent moisture can help reduce plant stress and prevent fruit from splitting. Applying mulch around the plants will retain moisture, suppress weeds and protect the roots from temperature changes.

Most tomato plants require support as they grow. Install stakes, cages or a trellis early to avoid damaging established roots. Gently tie the stems with soft garden ties and check them regularly as the plants become taller.

Feed tomatoes with a suitable fertiliser during the growing season. Avoid excessive nitrogen, which can encourage leafy growth rather than fruit production. Regularly inspect plants for caterpillars, aphids, fruit fly and signs of disease.

Harvest tomatoes when they develop their full colour and feel slightly soft. Homegrown tomatoes can be enjoyed fresh in salads, sandwiches and cooking, or preserved for later use.

Tomato plants supported by stakes, cages and a garden trellis with clips securing stems — Stakes, cages, trellises and tomato clips help support healthy plants as their fruit develops.