Bio Tomaat Matina seeds, in the Organic seeds for sale category of Seeds4Garden, comes in a 60 size that you can plant in March to get it in July.
Organic seeds for sale
Tomatoes love the warmth; also suitable if you have a sunny sheltered spot in the garden. Early spring in protected seedbed at 20°C or late outdoors in frames; prick out once and plant out in pots under glass.
View this product on http://www.seeds4garden.com.
Bio Tomaat Matina Features
Seeds pack size: 60
Flowering Month: July
Planting Month: March