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Varieties for professional growers

Here you will find a selection of varieties that have proven themselves in organic cultivation, and so are especially suited for professional growers. Some varieties result from our own breeding program, among which our specialisms squash, tomatoes and peppers. Furthermore, we also offer other proven varieties, in close co-operation with co-breeders from the field. At De Bolster you can find the best assortment of organic seeds for a successful organic cultivation.

> Leaf vegetables
> Brassica
> Legumes
> Fruit vegetables
> Root vegetables
> Herbs
> Flower Mixtures
> Green Manure


Sugar snap Nairobi – Pisum sativum PRO
Early, productive sugar snap with straight pods 8-9 cm long. Pods are usually stringless at harvest. In north-west Europe, ‘Nairobi’ can be grown supported by climbing mesh or freely on the ground.
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2040 Zomerpostelein PRO
Summer Purslane Portulaca oleracea 2040
Summer Purslane is a very rapidly growing summer vegetable with bright green leaves. Mixing the seeds with sand makes sowing easier. Sow only when temperatures are warm enough.
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Bladrammenas - Groenbemester – Raphanus sativus PRO
Green manure fodder radish can grow up to 80-110 cm in height. This crop adds a lot of organic matter to the soil when ploughed in. This versatile soil improver suppresses weeds.
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Salie PRO
Sage Salvia officinalis 3250
Sage is a spice used for cooking and healing and the leaves can be used both fresh as dried. This herb is effective against a sore throat and is commonly known as soporific. Insects and butterflies on the contrary, become hyperactive after consuming sage.
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Bonenkruid PRO
Summer Savory Satureja hortensis 3050
Summer savory is an annual, low and bushy crop. The leaves and young sprouts are harvested just before flowering and taste a little spicy. This herb can be used freshly or dried. It can be used excellent in dishes with beans, but also in soups, salads or dishes with cabbage.
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Schorseneer Verbeterde Reuzen Nietschieters PRO
Scorzonera 'VRN-Enorma' Scorzonera hispanica 1770
One of the most productive varieties with remarkable length and smoothness of root. ‘VRN-Enorma’ has attractive foliage and is resistant to hollow crown. A uniquely delicious vegetable.
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Winterrogge - Groenbemester – Secale cereale PRO
Forage Rye can be sown as a green manure until late in the season (August-October). This crop is tolerant to frost, provides a quick effective groundcover, and is deep rooting.
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Gele mosterd - Groenbemester – Sinapis alba PRO
Yellow mustard is a rapid growing, annual crop and is very suited as green manure. It is mostly used for the supply of organic matter to the soil and practically never for consumption. The crop freezes to death in winter.
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Cherrytomaat Bartelly F1 – Solanum lycopersicum PRO
Cherry Tomato 'Bartelly F1' Solanum lycopersicum 1948
Very flavoursome cherry tomato, ideal for summer production in polytunnels and unheated greenhouses. ‘Bartelly’ is a favourite with many growers.
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Cherrytomaat Bronzy PRO
Cherry Tomato 'Bronzy' Solanum lycopersicum 1956
Cherry Tomato 'Bronzy' produces deliciously sweet, juicy fruits in a distinctive, beautiful brown colour.
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Cocktailtomaat BOL-T-5302 F1 – Solanum lycopersicum NEW!
Cocktail tomato 'BOL-T-5302 F1' is a variety with intermediate resistance to Phytophthora. For outdoor cultivation or cold greenhouses. Produces deliciously juicy fruits.
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expected in October
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Midi San Marzano-tomaat BOL-T-5505 F1 – Solanum lycopersicum NEW!
Midi San Marzano Tomato 'BOL-T-5505 F1' produces approximately 12 tomatoes per truss. Suitable for outdoor cultivation in cold greenhouses, with intermediate resistance to Phytophthora.
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