organic seeds for

growers' success
Premium organic seeds
100% organic, GMO-free
Fast delivery within Europe

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


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.
> Read more
Quantity
Size
Please select volume
> read more
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.
> Read more
Quantity
Size
Please select volume
> read more
Koolraap Helenor F1 NEW
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.
> Read more
Quantity
Size
Please select volume
> read more
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.
> Read more
Quantity
Size
Please select volume
> read more
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.
> Read more
Quantity
Size
Please select volume
> read more
Boerenkool Darkibor F1 – Brassica oleracea NEW
Curly kale ‘Darkibor F1’ is a high-yielding variety with dark green, strongly curled leaves that are highly resilient to yellowing.
> Read more
Quantity
Size
Please select volume
> read more
Boerenkool Redbor F1 – Brassica oleracea NEW
Curly kale ‘Redbor F1’ is super healthy! This highly productive variety is also easy to harvest.
> Read more
Quantity
Size
Please select volume
> read more
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.
> Read more
Quantity
Size
Please select volume
> read more
Koolrabi Kolibri F1 – Brassica oleracea NEW
Kohlrabi ‘Kolibri F1’ has an attractive purple skin. The flesh is pure white and nearly fibreless. The bulb has a flat-round shape.
> Read more
Quantity
Size
Please select volume
> read more
Koolrabi Konan F1 – Brassica oleracea NEW
Kohlrabi ‘Konan F1’ has a mildly sweet flavour. The attractive, green, flat-round fruits have strong leaves and are also easy to harvest.
> Read more
Quantity
Size
Please select volume
> read more
Palmkool Nero di Toscana PRO
Kale 'Nero di Toscana' Brassica oleracea 1505
Kale 'Nero di Toscana' is a typical Tuscan cabbage grown as kale. It can tolerate Tuscan winters but not Dutch winters.
> Read more
Quantity
Size
Please select volume
> read more
Rode kool Klimaro F1 – Brassica oleracea NEW
Red cabbage ‘Klimaro F1’ is perfect for autumn cultivation. An excellent variety for fresh use but also for storage. The heads are a lovely red colour and have a firm structure.
> Read more
Quantity
Size
Please select volume
> read more