From our own production – freshly in stock
100% organic, GMO-free
High-quality seeds with excellent germination

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


Tuinkers Cressida – Lepidium sativum PRO
Garden Cress 'Cressida' germinates and grows fast, therefore it should be sown with regular intervals. It can also be grown as a sprout in a bowl on the windowsill throughout the year. The young sprouts and the first leaves are very suitable for crudités due to its spicy taste.
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Quantity
Size € 2,99
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Lavas PRO
Lovage Levisticum officinale 3160
Lovage is due to its flavour mostly used for soup. Both the stems as the seeds can be used for cooking. This herb is perennial and has a preference for moist locations. Lovage is very capable of enduring only little sunshine.
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Quantity
Size € 2,99
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Blauwe lupine - Groenbemester PRO
Blue Lupin - Green manure Lupinus angustifolius 4010
Lupin blue is a rapid growing annual member of the bean family, which is commonly used as green manure for soil-improvement. This variety is not bitter and therefore suited for consumption and as cattle-fodder. The crop freezes to death in winter.
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Quantity
Size € 3,39
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Citroenmelisse PRO
Lemon Balm Melissa officinalis 3080
Lemon balm is a winter-hardy herb with leaves that smell like lemon and are commonly used for making tea. In the second year the plants really start to blossom. It is suited for drying, as long as the leaves are cut before flowering.
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Quantity
Size € 2,99
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Anijsbasilicum Ah Nice – Ocimum basilicum NEW!
Anise Basil 'Ah Nice' Ocimum basilicum 3033
Anise Basil 'Ah Nice' is a fast grower with a pronounced aniseed flavour and a hint of basil. The plant has large, broad, spoon-shaped leaves with a bright green colour.
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Quantity
Size € 2,99
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Citroenbasilicum Sweet Lemon – Ocimum basilicum NEW!
Lemon Basil 'Sweet Lemon' grows fast and uniformly, and has firm and smooth, bright-green leaves. The strong lemon flavour offers opportunities for interesting new uses.
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Quantity
Size € 2,99
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Basilicum Rood PRO
Basil 'Dark Opal' Ocimum basilicum purpureum 3030
Red basil is an annual herb with a nice, strong smell. This variety is deep purple with medium sized leaves. Basil prefers a spot with shelter. Pick the leaves for direct use and for drying.
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Quantity
Size € 2,99
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Serradelle - Groenbemester – Ornithopus sativus PRO
Serradella is an annual member of the bean family and very well suited for green manure on the sandier soils. Seradella is a crawling plant and flowers for a long period. It is important to keep the soil free from weeds the moment the crop closes.
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Quantity
Size € 5,29
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1630 Pastinaak Tender and True PRO
Parsnip Tender and True is easy to cultivate and can withstand quite a bit of frost. Parsnip look like winter carrots both in terms of size and appearance; they are cream-white coloured and taste a bit less sweet than winter carrots. Take caution during sunny weather: touching the plant may cause skin burns.
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Quantity
Size € 2,99
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Phacelia PRO
Phacelia - Green manure Phacelia tanacetifolia 4050
Phacelia is a beautiful plant loved by bees and is also very suited as green manure. Phacelia is neither family of the Brassicaceae nor family of the bean family and therefore very well suited in crop rotation. Phacelia freezes to death in winter.
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Quantity
Size € 5,29
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Pronkboon Lady Di PRO
Runner Bean 'Lady Di' Phaseolus coccineus 1205
Vigorous, stringless runner bean with a long harvest period. ‘Lady Di’ has green pods and slow-to-develop red and black seeds. The plants look beautiful when in full flower.
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Quantity
Size € 5,29
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Stamslaboon Compass PRO
Extra-refined French bean, ‘haricot vert’ type. It is stringless and has a good flavour. Excellent plant habit with long, straight pods. Because the pods are quite thin, it is less suitable for picking by hand.
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Quantity
Size € 5,29
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