Varieties for professional growers

Here you will find an overview of our varieties that are especially suitable for professional herb and vegetable growers and have proven to be excellent for organic cultivation. Some of them are the result of our own breeding programme that specialises in crops such as squashes, tomatoes and sweet peppers. Additionally, other highly reliable organic varieties supplied to us by fellow breeders in our sector are also included. De Bolster offers the best range of organic seeds for successful organic cultivation. Read more about our organic breeding or discover our range of professional varieties below.

> Leaf vegetables
> Brassica
> Legumes
> Fruit vegetables
> Root vegetables
> Herbs


Bleekselderij Tango F1 NEW
Celery 'Tango F1' is suitable for cultivating throughout the growing season. This very productive variety has white to light green stalks. Very resistant to blackheart.
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Snijbiet ‘Five Colours’
Chard 'Five Colour Silverbeet' is a beautiful mixture of chard in multiple colours (red, purple, orange, yellow and white). The leafs of this chard are mostly green. Even after stir-frying or stewing the stems maintain their lovely color.
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Tuinkers
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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Bladmosterd ‘Golden Frills’
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
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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Spinazie ‘Nieuw-Zeelandse’
New Zealand Spinach belongs to the family of purslane (Portulacaceae) and looks completely different than regular spinach. The plants of New Zealand spinach have much more vigor, predominantly expressed in width.
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Zomerpostelein
Summer Purslane is a very rapidly growing summer vegetable with bright green leaves. Mixing the seeds with sand makes sowing easier. Sow only when temperatures are warm enough.
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Winterpostelein
Winter Purslane is little troubled by diseases and pests. This type is winter hardy but mulching is suggested in the event of a dry frost, since this condition can result in discoloured leaves.
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Radicchio Rosso Leonardo F1 NEW
Radicchio Rosso 'Leonardo F1' is suitable for late summer and autumn cultivation. This variety (red and white leaves) is very resistant to bolting and produces firm round heads.
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Rucola ‘Esmée’
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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Raapsteel Namenia
Turnip Top Namenia is a tasteful variety with somewhat big, tender leaves and a short growing period. It is a typical spring vegetable. The plants bolter very early during summer. The leaves can turn yellow when given too little fertilization.
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Stengelui Ishikura Long White
Onion (spring) Ishikura Long White is a Welsh onion that forms a long, white, thick shaft without forming a sphere. The leafage is light green, and the variety is resistant to damage from thunderbugs. The plants nicely stand up straight. Ishikura Long White is winter-hardy.
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