organic seeds for

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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


Rode biet Boro F1 – Beta vulgaris PRO
Beetroot 'Boro F1' Beta vulgaris subsp. conditiva 1055
Beetroot 'Boro F1' has a lovely red colour both on the inside and outside. The variety keeps well in the autumn and winter.
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Bladmosterd ‘Golden Frills’ PRO
Golden Frills is a mustard variety with fine incised, fresh green leaves and a spicy taste. Mustard leaf has been grown and eaten in the Himalaya region in India for over 5000 years. Also in many other countries is leaf mustard a part of the daily menu.
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Bladmosterd Purple Frills PRO
Purple Frills is a mustard variety with fine incised, deep purple leaves and a spicy taste. Mustard leaf has been grown and eaten in the Himalaya region in India for over 5000 years. Also in many other countries is leaf mustard a part of the daily menu.
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Koolraap Helenor F1 PRO
Swede 'Helenor F1' Brassica napus 1591
Swede 'Helenor F1' has a beautiful, purple color and yellow flesh that tastes sweet and is of high quality. The round bulb reaches a weight of 0.6 to 1.2 kg.
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expected late 2026
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Bloemkool Bermeo F1 PRO
Cauliflower 'Bermeo F1' is suitable for early summer cultivation. This cauliflower has a flattened, round head and good firmness. Leaves are reasonably self-covering.
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Bloemkool Liria F1 PRO
Cauliflower 'Liria F1' Brassica oleracea 1442
Cauliflower 'Liria F1' is suitable for early autumn cultivation. Good self-covering which keeps the head nice and white. A strong crop.
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Boerenkool Darkibor F1 | Brassica oleracea PRO
Curly kale 'Darkibor F1' is a high-yielding variety with dark green, strongly curled leaves that are highly resilient to yellowing.
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Boerenkool Redbor F1 – Brassica oleracea PRO
Curly kale 'Redbor F1' is super healthy! This highly productive variety is also easy to harvest.
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Broccoli ‘Belstar F1’ PRO
Broccoli 'Belstar F1' Brassica oleracea 1465
Broccoli 'Belstar F1' is suitable for growing in summer and autumn. These are compact, very productive plants. 'Belstar' is resilient to secondary growth and matures earlier than most varieties.
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Broccoli Bobby NEW!
Broccoli 'Bobby' Brassica oleracea 1461
Broccoli 'Bobby' is a fast-growing, open-pollinated variety for late summer and fall cultivation. Grows uniformly on long stems with nice green, average-sized crowns.
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Broccoli Covina F1 – Brassica oleracea PRO
Broccoli 'Covina F1' Brassica oleracea 1467
Broccoli 'Covina F1' is a reliable variety for growing in summer and early autumn. Also performs strongly in changeable weather conditions.
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Koolrabi Kolibri F1 – Brassica oleracea PRO
Kohlrabi 'Kolibri F1' has an attractive purple skin. The flesh is pure white and nearly fibreless. The bulb has a flat-round shape.
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