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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


Radijs Rudolf – Raphanus sativus NEW
Radish 'Rudolf' Raphanus sativus 1731
Radish ‘Rudolf’ is flavoursome, very crisp, round and bright red. The attractive dark leaves are short and upright. An open-pollinated variety with all the uniformity and vigour of a hybrid.
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Salie
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
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
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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Cherry-pruimtomaat Bolstar Baloe F1 PRO
Deliciously sweet cherry-plum tomato, ideal for summer production in polytunnels and unheated greenhouses. ‘Bolstar Baloe’ produces both single and double trusses, with a beautiful herringbone pattern.
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Tomaat Bartelly F1 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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Tomaat Bolstar Sensatica F1 PRO
Deliciously sweet, semi-long life plum tomato, suitable for polytunnel production and slightly heated greenhouses. The plum-shaped fruits, which weigh about 80 gm, have a very good flavour, especially compared with other ‘Roma’ tomatoes. 
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temporarily unavailable
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Tomaat Bolstar Gimli F1 PRO
Beautiful, shiny truss tomato, suitable for summer production in polytunnels and slightly heated greenhouses. The fine round fruits, weighing about 75 gm, have a very good shelf life, both on the plant and after harvesting.
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Tomaat Bolstar Granda PRO
Robust, high-yielding, open-pollinated variety suitable for summer production in polytunnels and unheated greenhouses. The round fruits weigh about 100 gm and are suitable for picking loose with calyxes.
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Spinazie Renegade F1 – Spinacia oleracea NEW
Spinach 'Renegade F1’ can be grown throughout the season. Its smooth leaves are of outstanding quality and packed with flavour. Also suitable for growing as baby leaf.
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