Where to grow
Dobbies offers a range of tomato varieties to suit every growing space, whether you have a greenhouse, a sunny patio or a sheltered outdoor spot.
For the most reliable results in the UK climate, Nigel recommends growing tomatoes under cover, where warmth, light and protection from the elements help produce strong, healthy plants and consistent crops.
If growing outdoors, choose a sunny, sheltered position with rich, well-draining soil. Nigel notes that during warmer months, this can still produce great results.
Varieties to grow
Nigel explains that tomatoes are a rewarding choice for gardeners of all experience levels. For beginners, compact patio or hanging basket varieties are a great place to start, particularly for smaller spaces.
If space is limited, tomatoes grow very well in containers. Use a large pot with good drainage, add a quality peat-free compost, and position in a sunny spot for best results. With the right care, you can enjoy delicious homegrown tomatoes in just a few months.
For indoor growing, Nigel recommends ready-to-enjoy options like Pick-N-Joy plants, which are perfect for windowsills and offer a simple way to enjoy fresh, sweet cherry tomatoes with minimal effort.
How to get started
To help gardeners kick off the growing season, Nigel shares four key steps for success when growing tomatoes in a greenhouse or grow house.
Harden off your plants
Gradually acclimatise young plants to their growing environment by introducing them to greenhouse conditions over a few days. This helps reduce transplant shock and encourages strong early growth.
Plant with care
Tomatoes are commonly grown in growbags, which are a simple and effective option for greenhouse cultivation. Alternatively, use large pots filled with quality compost. Plant deeply, with the final set of leaves just above the soil, to encourage strong root development.
Care for your crop
Support plants with canes or strings and keep them well watered. Greenhouse-grown tomatoes require consistent moisture, and watering should be directed at the base of the plant to keep foliage dry and reduce the risk of disease.
Feed and maintain
Start feeding with tomato fertiliser once the first trusses appear, and pinch outside shoots on taller varieties to encourage better fruiting - regular feeding will help produce a more abundant crop.
Looking after your tomato plants
Nigel says that while tomatoes are relatively easy to grow, regular care is essential. Watering should be consistent, ideally in the early morning or late afternoon, ensuring the soil remains moist but not waterlogged. Supporting taller plants and training growth will also help maximise your crop.
Tomatoes thrive in warm conditions but should be protected from extreme heat, particularly in greenhouses where ventilation is important. Gardeners can also improve plant health by regularly checking for pests and removing any damaged leaves.
When to harvest
Most tomato varieties will be ready to harvest between July and October, depending on your location and growing conditions. Nigel advises using colour as your guide - when tomatoes are rich, vibrant, and come away easily from the vine, they’re ready to enjoy. For the best flavour, allow tomatoes to ripen fully on the plant where possible.
To explore Dobbies’ full range of grow your own plants and gardening products, and for more inspiration, visit www.dobbies.com or pop into your local store.