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Root vegetables

On this page you will find our current range of root vegetable seeds. Have you always wanted to grow your own organic beetroots, spring onions, back radishes, or carrots? Now is your chance! Order your seeds at De Bolster. That way you are certain of creating a high-quality vegetable garden that is also completely organic. For each product in our range you can find information regarding sowing, growing and harvesting. You can also read more about the space (m2) you can fill with the content of our small seed packets.


Bosui White Lisbon
Onion (spring) White Lisbon develops a medium-long, white shaft and forms a small sphere. The leafage is light green and stands nicely upright. Sow the scallions close to each other, so that they stay fine. The onions can be harvested when they are 2-3 cm in diameter.
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Ui Albion F1 – Allium cepa
Onion ‘Albion F1’ is a lovely white, highly uniform and productive variety suitable for the fresh market and for short-term storage. It has a pungent yet slightly sweet flavour.
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Ui Hylander F1
Onion 'Hylander F1' is a middle-early, mildew-resistant variety. Nice round and uniform onions. Good skin and storage quality. High yielding.
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Ui Red Baron – Allium cepa
Onion 'Red Baron' is a somewhat flattened onion with a beautiful red colour and a strong flavour. This is a relatively high-yield onion that also stores well. 'Red Baron' is a versatile variety since it is also suitable for use as a bunching onion.
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Ui Red long of Florence
Onion Red Long of Florence is a bottle-shaped onion with a beautiful red colour. The onions taste mild and sweet. This onion is also suited for salads. The Red Long of Florence is not suited for storage. Sowing later results in onions with thickened stalks. When the leafage starts to die, the onions should be harvested. The onions have to dry out well before storage.
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Ui Redlander F1 – Allium cepa
Onion ‘Redlander F1’ is an early variety of red onion with a high downy mildew resistance. Has excellent keeping qualities and uniform, high yields.
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Ui Rijnsburger 4
White onion Rijnsburger 4 has beautiful round, straw yellow onions, which have an excellent storage capacity. When the leafage starts to die, the onions should be harvested. The onions have to dry out well before storage.
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Ui Stuttgarter
Onion Stuttgarter, also known as ‘Stuttgarter Riesen’, is a well-storable yellow, flat round onion, which can be used for the cultivation of scallions as well. Sowing later results in onions with thickened stalks. When the leafage starts to die, the onions should be harvested. The onions have to dry out well before storage.
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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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Knolselderij Balena F1 – Apium graveolens
Celeriac ‘Balena F1’ has healthy, strong, upright foliage and a fast-maturing root with lovely firm, white flesh. This breed is highly resilient to bolting and exceptionally tolerant of cold.
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Knolselderij Roem van Zwijndrecht
Celeriac Roem van Zwijndrecht forms a turnip with a diameter of about 10 cm and is smaller than the most common celeriac. This celeriac has a long growing period and especially at the end, when the growth of the turnip takes place, the plant has to have enough nutrients at its disposal.
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Kliswortel Tonkinokawa Long
Burdock Tonkinokawa is a Japanese variety of the commonly known burdock. Only the roots formed in the first year are tasty. The roots can be used like salsify. Can also be used for medicinal intentions.
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