Growing tomatoes in a greenhouse



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Growing tomatoes indoors can mean an earlier crop. For greenhouse tomatoes grow recommended varieties such as 'Sungold', 'Money Maker' or 'Country Taste'. If you’re after tomatoes to make soups and sauces with then tomato ‘Roma VF’ is the variety for you. Sow as directed on the individual seed packet. This is generally from February onwards and in 7.5cm (3in) pots.

Plant the young plants when they are about 15-20cm (6-8in) tall and the flowers of the first truss are just beginning to open. If you are planting into your greenhouse border make sure you have dug in plenty of garden compost or well-rotted manure during the winter. If you have used the border before for tomatoes, it is better to change the soil before growing tomatoes in it again. This will help avoid soil pests and root diseases becoming a problem. Just before planting, rake in a general purpose fertilizer.

If you are growing tomatoes in pots or a grow bag remember they will require a lot more watering and care. Plant approximately 45cm (18in) between the plants and 75cm (30in) between the rows. In a grow bag, generally plant no more than two plants per bag. Make sure you ventilate the greenhouse regularly to reduce the risk of pests and diseases. Tomatoes prefer a temperature of 21 - 24C (70 - 75F) and will perform poorly at temperatures above 27C (81F) or below 16C (61F).
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