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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.

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> Brassica
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> Root vegetables
> Herbs
> Flower Mixtures
> Green Manure


1355 Courgette Ola Gabriella F1 PRO
Productive yellow courgette with a mild, sweet taste. This plant has a parthenocarpic habit so the fruits set early in the season without the presence of male flowers.
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Halloweenpompoen Owls Eye F1 PRO
Attractive, yellow squash for autumn with a firm stalk that makes it easy to harvest and prepare. Thanks to its flat base, 'Owls Eye F1' stands nicely upright. Semi-bush plant type with good mildew tolerance.
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Zomerwortel Napoli F1 NEW!
Carrot 'Napoli F1' is perfect for the earliest cultivation period. Slightly conical roots with good colour. A productive variety with strong foliage. A Nantes type.
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2059 Zomerwortel Negovia F1 PRO
Carrot 'Negovia F1' is suitable for late summer and autumn cultivation. A Nantes type. A very uniform variety with good flavour.
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Zomerwortel Yellowstone F1 PRO
Carrot 'Yellowstone' is a versatile variety with a beautiful yellow colour. Suitable for both late bunching carrots or for producing winter (storage) carrots.
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Rucola Rochelle  - Diplotaxis tenuifolia NEW!
Wild Rocket 'Rochelle' Diplotaxis tenuifolia 1766
Wild rocket 'Rochelle' has been selected on resistance for downy mildew and hardly bolts. Suitable for greenhouse and outdoor cultivation, with healthy, dark-green leaves and a pleasantly spicy taste.
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Rucola ‘Esmée’ PRO
Rocket 'Esmee' Eruca sativa 1760
Tender salad rocket with beautifully delicate pinnate leaves. The three-dimensional leaf shape helps create a firm, open structure in salad mixes and stops the leaves from sticking to the packaging.
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 Groenbemester – Fagopyrum esculentum PRO
Buckwheat - Green manure Fagopyrum esculentum 4070
Buckwheat is a fast growing crop and an excellent plant for bees. This crop requires a sunny location and a poorly fertilized ground with preferably a pH of around 5. When the plant drops its first seeds, you can cut the whole crop and let it dry.
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Akkerrandmengsel M1 PRO
Field margin mixture ‘M1’ attracts parasitic wasps that parasitise the larvae of the bean seed fly. This nectar-rich mixture therefore helps to control this fly.
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Akkerrandmengsel M2 PRO
Field margin mixture ‘M2’ brings back the look of a traditional grain field. It consists of oat, barley and buckwheat along with various meadow flowers.
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Bloemenmengsel Elegance PRO
Flower mixture ‘Elegance’ creates a colourful garden with a rich insect life.
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Tübingermengsel - 6130 PRO
Tübingen Flowers (mixture) is a proven mix for attracting bees and butterflies and is suitable for gardens or field margins. This mixture contains seeds from both non-indigenous and cultivated plants: Phacelia, Buckwheat, White Mustard, Coriander, Love-in-a-Mist, Marigold, Cornflower, Oilseed Radish, Mallow, Borage, Dille, Common Bird's Foot and Sunflower.
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