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


Cherrytomaat Bronzy NEW!
Cherry Tomato 'Bronzy' Solanum lycopersicum 1956
Cherry Tomato 'Bronzy' produces deliciously sweet, juicy fruits in a distinctive, beautiful brown colour.
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Tomaat Bolstar Sensatica F1 PRO
Deliciously sweet, semi-long life plum tomato, suitable for polytunnel production and slightly heated greenhouses. The plum-shaped fruits, which weigh about 80 gm, have a very good flavour, especially compared with other ‘Roma’ tomatoes. 
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Snacktomaat Ormato – Solanum lycopersicum NEW!
Snack Tomato 'Ormato' Solanum lycopersicum 1955
Snack Tomato 'Ormato' is an open-pollinated variety with deliciously sweet, attractive orange fruits weighing 12 g.
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Tomaat Bolstar Gimli F1 PRO
Beautiful, shiny truss tomato, suitable for summer production in polytunnels and slightly heated greenhouses. The fine round fruits, weighing about 75 gm, have a very good shelf life, both on the plant and after harvesting.
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Tomaat Bolstar Granda PRO
Robust, high-yielding, open-pollinated variety suitable for summer production in polytunnels and unheated greenhouses. The round fruits weigh about 100 gm and are suitable for picking loose with calyxes.
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Spinazie Renegade F1 – Spinacia oleracea PRO
Spinach 'Renegade F1’ can be grown throughout the season. Its smooth leaves are of outstanding quality and packed with flavour. Also suitable for growing as baby leaf.
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1610 Nieuw-Zeelandse spinazie PRO
New Zealand Spinach Tetragonia tetragonioides 1610
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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Tijm PRO
Thyme 'German Winter' is a herb that is used in cooking and also for its medicinal characteristics. The leaves and tops of the stalks are used freshly as well as dried. Cut the plants after flowering to make sure they form new sprigs and survive the winter better. Purple-like tube-shaped flowers characterize thyme and moreover each flower has four petals and a sepal. Flowering starts in the second year in the beginning of the summer.  
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Zomertijm PRO
Summer Thyme Thymus vulgaris 3275
Summer Thyme is a perennial kitchen herb that produces tender stems studded with aromatic leaves. Essential in Mediterranean cuisine. Rapid growth. Limited hardiness.
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Inkarnaatklaver PRO
Crimson Clover is a soft and hairy clover with dark red flower plumes of 4 centimetres long. The crop is used as green manure and as a ornamental flower. Crimson flower is very suited for natural gardens and serves excellent as bee and bumblebee plant.
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Tuinboon Eleonora PRO
A selection from ‘Express’ which stays short, so the crop is not prone to falling over. ‘Eleonora’ is about 10 days later than ‘Ratio’ and has excellent long pods with a splendid flavour. The beans are ideal for freezing. These beans are brown-cooked.
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Tuinboon Ratio PRO
Early, productive broad bean with an excellent pod shape, good pod set and a delicious flavour. Thanks to its branching habit, the crop stays short and is at less risk of lodging. Very flavoursome and suitable for freezing. 
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