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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


Knolvenkel Solaris F1 – Foeniculum vulgare NEW!
Fennel ‘Solaris F1’ Foeniculum vulgare 1421
Fennel ‘Solaris F1’ is an early maturing variety that is not prone to dryness or woodiness. It produces strong, heavy bulbs with a juicy texture and a fine aniseed flavour.
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Lavendel PRO
Lavender Lavandula angustifolia 3170
Lavender is a bushy herb with a strong, recognizable smell. The leaves can be used in tea. Moreover, the dried flowers can help against insects indoors. Furthermore, oil can be extracted from the leaves and flowers and be used in soap.
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Tuinkers 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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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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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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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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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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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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4050 Phacelia - Groenbemester 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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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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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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Stamslaboon Davis - Phaseolus vulgaris NEW!
Dwarf French Bean 'Davis' is particularly suitable for picking by hand. This robust variety offers an excellent range of resistances and has fine, soft and tasteful, dark green pods, as well as a high yield.
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