Tomato Shirley F1 Hybrid This is one of the best greenhouse tomatoes. It has become one of the favourite varieties. The plants produce a heavy crop of good sized fruits which have a lovely taste and texture. It has potential as a variety for local shows. Indeterminate variety Sow the seeds indoors on a warm kitchen windowsill or a greenhouse. Sow the seeds in a pot around 0.5cm deep and cover with a thin layer of compost. Keep the pot well-watered and warm. An ideal temperature of 15 – 20C is perfect. The seedlings will start to appear after 7 – 15 days. When the seedlings are large enough to handle transplant them into individual pots. Keep them growing on in cooler but not cold conditions. If the plants get too cold they will stop growing and struggle to get going again.
