

Tomato Gourmansun F1
Tomato Gourmansun F1
Solanum lycopersicum Gourmansun F1
Tomato
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This plant carries a 6 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
Description
The 'Gourmansun' F1 tomato is a recent hybrid variety with charming, beautiful heart-shaped yellow fruits, streaked with red. Loved for its dense, fragrant, and very sweet flesh, this tomato is suited to various culinary uses. Wonderful in salads, it also excels when stuffed or made into coulis. Its disease resistance and productivity make it a favourite among both novice and experienced gardeners.
The 'Gourmansun' F1 tomato, resulting from cross-breeding between 'Cœur de Bœuf' and 'Ananas' varieties, combines the strengths of both parents. This vigorous plant, with an indeterminate habit, can reach 1.5 to 2 m in height. Its dark green, pinnate and lobed leaves are deciduous. The sturdy stems bear small clusters of 3 to 4 large, 100 to 300 g, heart-shaped yellow fruits, streaked with red. Their firm and juicy flesh displays similar colouring and reveals a sweet, mildly acidic flavour. Flowering occurs in June, with small yellow flowers grouped in clusters. The fruits ripen from August onwards, earlier or later depending on the climate. The 'Gourmansun' F1 thrives in full sun and humus-bearing, light, well-drained soil. Plant in open ground from May to June, after the last frosts, spacing the young plants 50 to 60 cm apart. Staking is recommended to support the stems. Water regularly, avoiding wetting the foliage to prevent disease. Removing side shoots is advised to encourage fruit development.
The tomato, native to South and Central America, is a member of the Solanaceae family. It was cultivated by the Incas before the arrival of the Conquistadors. Its name comes from the Inca word tomatl, referring to both the plant and its fruit. A herbaceous perennial in tropical climates, the tomato is grown as an annual in our latitudes. Its small yellow flowers grouped in cymes produce fruits that vary in size, colour, and shape.
Rich in lycopene, a powerful antioxidant, as well as vitamin C, provitamin A, and trace elements, the tomato is low in calories and very hydrating. In cooking, it can be used raw or cooked, in salads, stuffed, as coulis, or preserved. Harvesting varies depending on the variety: early, mid-season, or late. The fruits are picked when ripe, when coloured and slightly soft, retain their stalk for better storage.
To preserve its flavour, it is best not to refrigerate tomatoes: storing them between 10 and 15°C is ideal. They can also be preserved, dried, frozen, or canned.
In the garden, mulching with a mix of grass clippings and dead leaves helps reduce watering and weeds while keeping the soil moist.
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Harvest
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View all →Planting and care
Gourmansun F1 young tomato plants are easy to grow. Sunlight and warmth play a crucial role in the success of this crop. Tomatoes thrive in rich, well-draining, and deeply loosened soil. A few months before planting, add well-rotted compost after breaking up the soil. If your soil is heavy, add some sand at the time of planting.
Initially, grow on the plug plants by transplanting them into 8 to 10.5 cm pots filled with compost. Place them in a sunny, warm spot: temperatures should never drop below 12-14°C, or the foliage may yellow and the young plant's growth may stop. Once the young plants reach about 15 cm in height, transplant them outdoors if temperatures permit.
Plant outdoors once the risk of frost has passed, usually after mid-May. Choose a very sunny and sheltered spot. Space the young plants 50 cm apart in rows with 70 cm between rows if pruning, or 1m in all directions for unpruned cultivation. Dig a hole (three times the size of the root ball), add some well-decomposed compost at the bottom. Plant your young plant, burying it up to the first leaves, then backfill. Firm the soil, create a basin around the base, and water generously. Avoid wetting the leaves to protect your young plants from fungal diseases.
Install supports (soon after planting to avoid damaging the roots). Mulch around the base of the young plants. Water very regularly, as irregular watering can lead to calcium deficiency, resulting in apical necrosis commonly known as 'blossom end rot'.
Tomatoes, like potatoes, are susceptible to blight. This is a fungal disease caused by Phytophthora infestans. Blight thrives in warm, humid conditions. Small spots appear, white on the underside of the leaves and grey-green on top. To minimise risks, space young plants well and avoid watering the foliage. In terms of crop rotation, wait 4 years before growing another Solanaceae family plant in the same spot and avoid planting them in neighbouring rows. If needed, spray with Bordeaux mixture or preparations like horsetail decoction or garlic spray.
Growing tomatoes in pots is possible by choosing small-fruited varieties and placing the pot in a very sunny location.
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.














