Tomato San Marzano Seeds

Additional Details

When to Sow San Marzano Tomato Seeds

January to April

Where to Sow

Sow seeds underglass 0.5cm (1/4 in) deep in pots or trays of good seed sowing compost and lightly cover with a sprinkling of vermiculite or compost. Place containers in a propagator at a temperature of 18–21°C.

What to do Next

Prick out seedlings, once large enough to handle, into 9cm (3 1/2in) pots. Transplant to the greenhouse, in borders soil, in individual large pots, or in a grow bags with 3 plants per bag, when the tomato plants have reached  20cm (8in) high. Can also be planted outdoors once all risk of frost has past. If planting outdoors, plant in a warm sunny position with 45-60cm spaces. Plants require sideshooting and support for the best yields. Water and feed plants regularly with a high potash feed once the first truss has set.

Maturity

July to October

Handy Tip

To obtain the earliest crops, grow tomatoes in a polytunnel or greenhouse.

Nutritional Values

High in Vitamin C and lycopene.

Type

Indeterminate - single stem, remove side shoots.