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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.


Ui Albion F1 – Allium cepa PRO
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 PRO
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 PRO
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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Knolselderij Balena F1 – Apium graveolens PRO
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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out of assortment
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Knolselderij Monarch – Apium graveolens PRO
Celeriac 'Monarch' Apium graveolens 1412
Celeriac ‘Monarch’ is a reliable variety that has proved its worth for more than 40 years. The large roots are wonderfully white on the inside and have a delicate, nutty flavour.
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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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Gele biet Boldor - Beta vulgaris subsp. conditiva PRO
Beetroot 'Boldor' Beta vulgaris subsp. conditiva 1068
Golden beetroot 'Boldor' has sturdy, healthy leaves and globe-shaped, smooth roots with an orange skin and beautiful bright-yellow flesh. Can be eaten both raw and cooked.
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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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