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Organic seeds

Organic seeds from seed farm DE BOLSTER.

DE BOLSTER produces organic and biodynamic seeds. These seeds are propagated at its own farm in Epe, but also in cooperation with several certified external growers. This ensures visibility of own productions and they know exactly where the seeds come from. They produce seeds of vegetables, herbs, flowers, green manures and sprouts. Besides the so-called seed multiplication, they also invest in developing new varieties.

Seed origin:

That the seeds are produced organically automatically implies that all these seeds on offer are GMO-free (free of genetic modification). GMO involves artificial interference with DNA, something DE BOLSTER certainly does not want. By controlling their own productions, they know exactly where the seeds come from and can guarantee quality.

What is organic?

There are a number of strict requirements that DE BOLSTER must meet to keep their organic label. For example, no artificial fertilisers and no pesticides may be used during the production of the seeds. Instead, natural manure is used over the fields and natural enemies are used against aphids, for example. Organic farms are inspected by the independent institute Skal Biocontrole, which ensures that productions meet strict organic standards. Companies are then issued the organic certificate.

EKO and DEMETER

All DE BOLSTER seeds carry the EKO label, which means they are organically produced. In addition, with some products you will also find the DEMETER logo, which means that those seeds come from a biodynamic company. These companies go beyond the European legislation for organic farming, marked by the previously mentioned EKO quality mark for organic farming. 

Organic seeds

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Andijvie, Cichorium endiva 'Nummer vijf 2' -zaden-
Endive 'Batavian Broad Leaved' is the most popular and most grown endive variety. This variety has a nice and well-filled heart of the plant. The leaves are broad and have a soft taste. It is very well suited for stews. Note that sowing in early...
€2.79
Bladmosterd, Brassica juncea var. rugosa 'Golden Frills' -zaden-
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...
€2.79
Rode biet, Beta vulgaris var. rubra 'Egyptische platronde' -zaden-
The relatively sweet beetroot 'Egyptian Flatround' is very suitable for storage. It is an early variety. The second half of May is the best time to sow this variety. Please note that these beets cannot be transplanted.
€2.79
Rode biet Chioggia, Beta vulgaris var. rubra -zaden-
Chioggia' beetroot, with its lovely large beets and good yield, originates in the Italian village of Chioggia. 'Chioggia' has a mild, sweet taste and beautiful flesh with red and white rings.
€2.79
Courgette, Cucurbita pepo 'Black Beauty' -zaden-
Summer squash Black Beauty is a dark green variety that will grow on every well-fertilized soil. Do not make the ground too wet after sowing. Planting is possible when three leaves are visible. Pick the young fruits when they are about 15-20...
€2.79
Bloemkool Flora Blanca, Brassica oleracea var. botrytis -zaden-
Cauliflower Flora Blanca is an old Dutch variety. It is one of the few varieties that do not produce a yellowish head, but a beautiful white one. Flora Blanca is most suited for autumn cultivation as this is easier compared to cultivation in...
€2.79
Boerenkool Roter Grunkohl, Brassica oleracea var. laciniata -zaden-
The leaves of curly kale 'Roter Grünkohl' turn deeper purple as the nights become colder. This variety is quite frost-tolerant and is also suitable as a baby leaf. Sow outdoors in May.
€2.79
Koolrabi, Brassica oleracea var. gongylodes 'Delikatess blauwe' -zaden-
Kohlrabi Delicatesse Blue gives nice blue purple tubers with white fruit flesh. Kohlrabi is a fast growing crop with a lovely taste and can be eaten both cooked as raw (in crudités). Do not let the tubes become to old or too big before...
€2.79
Paksoi Taisai, Brassica rapa var. chinensis -zaden-
Pakchoi Taisai is a fast growing leaf vegetable from Eastern Asia with grey-green leaves like a loose rosette. Remarkable are its broad white leaf stems and white veins. Note that sowing in early spring increases the tendency for early bolting. It...
€2.79
Pastinaak, Pastinaca sativa subsp. sativa 'Tender and True' -zaden-
Parsnip Tender and True is easy to cultivate and can withstand quite a bit of frost. Parsnip look like winter carrots both in terms of size and appearance they are cream-white coloured and taste a bit less sweet than winter carrots. Take caution...
€2.79
Kropsla, Lactuca sativa 'Twellose Gele' -zaden-
This lettuce variety is a real butterhead from the early days a fast growing variety. It grows well during cold weather and has tender yellow-green crops. It is well suited for early cultivation. If you would like to harvest each week, you should...
€2.79
Pluksla, Lactuca sativa 'Black Seeded Simpson' -zaden-
The lettuce Black Seeded Simpson, a cut-and-come-again type, is a fast growing lettuce that does not form a crop. The leaves are yellow-green and they have a beautiful, somewhat ribbed leaf structure. Black Seeded Simpson has the shape of a cone...
€2.79
Pluksla, Lactuca sativa ' Cocarde' -zaden-
The lettuce Cocarde, a cut-and-come-again type, has beautiful long, incised green leaves with a red-brown edge. Cocarde is an early and vigorous type, and is very tasty. In order to keep the tenderness, it is recommended to harvest regularly. It...
€2.79
Eikenbladsla, Red salad bowl Lactuca sativa -zaden-
Oakleaf lettuce Red Salad Bowl is a slightly curled loose-leaf lettuce. It is suitable as a cut-and-come-again type. It is very vigorous and decorative. It has tender leaves with a sweet taste. The colder it gets, the redder the leads become....
€2.79
Krulsla, Lactuca sativa Lollo Bionda' -zaden-
Curly lettuce 'Lollo Bionda' forms a rosette of leaves instead of a head. The bright green, tender leaves are heavily incised. This curly lettuce can be grown as a baby leaf and for cut-and-come-again production.
€2.79
Snijbiet, Beta vulgaris var. cicla 'Groene Gewone' -zaden-
Chard 'Perpetual Spinach' is easy to grow on all soil types. It is also suitable for baby leaf cultivation. This variety produces lots of green leaves with thin veins.
€2.79
Snijbiet selectie Sunset, Beta vulgaris var. cicla -zaden-
Chard 'Sunset Selection' is suitable as a baby leaf in late summer and autumn. In winter it performs well in frost-free greenhouses. It thanks its name to the fabulous orangey-yellow stems and green leaves.
€2.79
Suikermais, Zea mays convar. saccharata 'Golden Bantam' -zaden-
Cobs of 'Golden Bantam' sweetcorn are best harvested on time and consumed immediately. The delicious, sweet taste will then be at its best. Over-fertilising will reduce the sweet flavor.
€2.79
Tuinkers, Lepidium sativum 'Cressida' -zaden-
Garden cress 'Cressida' is equally happy outdoors or growing year-round on the windowsill. The shoots have a spicy flavor and taste delicious raw. Also suitable as a baby leaf.
€2.79
Basilicum, Ocimum basilicum 'Genovese' -zaden-
Basil Genovese is an annual herb with medium-sized leaves. The herb has a strong smell and does not become very high. The herb does not bolter early and prefers shelter. This variety is very well suited for pesto. When cutting, always make sure to...
€2.79
Basilicum, Ocimum basilicum 'Thais' -zaden-
Thai Basil has deep purple stems and lovely pink-lilac flowers. It tastes sweet with a hint of aniseed. This basil can be dried or eaten fresh.
€2.79
Bieslook fijn, Allium schoenoprasum -zaden-
Chives are a perennial herb and need cold to germinate. The best temperatures to sow chives are between 15 and 20 degrees Celcius. This variety shows regrowth after cutting.
€2.79
Dille, Anethum graveolens -zaden-
Dill is an annual, delicious smelling herb. The seeds are often used for making sauerkraut and pickles. Fresh parts of the plant and unripe flowers can be used in for instance fish dishes. To reduce trouble caused by greenflies, sowing it widely...
€2.79
Komkommerkruid, Borago officinalis -zaden-
Borage leaves can be used in salads or stews. This annual herb is also known as starflower. It is an ideal plant to attract bees.
€2.79
Koriander, Coriandrum sativum -zaden-
Coriander is an annual herb with a strong smell. Both the young leaves as the seeds can be used. The coriander seeds can be harvested when they turn brown, which happens usually around September. It is important to dry the seeds after they have...
€2.79
Salie, Salvia officinalis -zaden-
Sage is a spice used for cooking and healing and the leaves can be used both fresh as dried. This herb is effective against a sore throat and is commonly known as soporific. Insects and butterflies on the contrary, become hyperactive after...
€2.79
Argemone polyanthemos, Stekelpapaver -zaden-
The beautiful Crested Prickly Poppy is a really attractive to bees and butterflies. This unusal plant has prickly, blue-green leaves and bears large white flowers.
€2.79
Calendula officinalis, Goudsbloem -zaden-
Marigold has singular, orange flowers with a dark heart. These flowers are easy to cultivate and serve as an ornamental plant. It is used for medicinal, cosmetic and culinary purposes. Marigold flowers can serve as ornament in dishes and it can be...
€2.79
Centaurea cyanus, Korenbloem -zaden-
Cornflower blue is an old-field herb with blue flowers and is, unfortunately, not so common in wheatfields anymore. The cornflower is suited as cut flower and for drying. The plant is not suitable to replant. Cornflowers need support. Furthermore,...
€2.79
Cosmos bipinnatus, Cosmea gemengd -zaden-
Mixed Cosmos is a firm plant with fine, pinnate leaves and beautiful big flowers, varying in colour from white to dark pink. The flowers are suited as cut flower. Cosmos keeps blossoming when you pick regularly. The flowers are annual and not...
€2.79
Eschscholzia californica, Slaapmutsje, oranje -zaden-
Californian Poppy (orange) has finely incised grey-green leaves and gleaming orange single-petaled flowers. As each flower opens, it pushes its little 'sleeping cap' upward.
€2.79
Zonnebloem groot, Helianthus annuus -zaden-
The large-flowered sunflower is a gigantic cut flower that can easily reach a height of 2 meters. The large black seeds of this sunflower are edible.
€2.79
Lathyrus odoratus -zaden-
Sweet pea is a climbing flower, which should be cultivated alongside a wire netting. The flowers, which smell delicious, have short stems and different colours. By picking and preventing the plant from producing seeds (in legumes), the plant will...
€2.79
Nigella damascena, Juffertje in het groen -zaden-
Love-in-a-mist is has light blue and white flowers in a crown of delicate green. The decorative capsules appear after blossoming and are suited for drying. It can be used as a cut flower and is a good plant for bees and butterflies. The plants are...
€2.79
Papaver rhoeas Klaproos gemengd -zaden-
Mixed Poppy is a delightful mixture of poppies with a wide variety of red colours and shapes. The colours contain different shades of red, with or without white rim. There are both single as double flowers. Bumblebees visit the plants very often.
€2.79
Papaver somniferum, Slaapbol, rood -zaden-
The seed pods of the red Opium Poppy are suitable for drying at the end of August. Opium Poppy is a gray-green plant with red flowers that bloom briefly. One packet is for approximately 30m2, and the planting distance is 25x25 cm.
€2.79
Salvia horminum, Bonte salie paars -zaden-
Annual Clary sage (purple) is suitable for cutting and drying. This robust plant attracts bees. It produces striking, showy purple bracts at the top that enclose small flowers.
€2.79
Tropaeolum majus, Oostindische kers, niet-rankende -zaden-
Nasturtium (not vining) has singular flowers in different shades of yellow, orange and red. The flowers and leaves of the plants are edible. Especially the flowers are used as garnish in salads. Planting close by fruit trees keeps lice at a...
€2.79
Dipsacus fullonum, Grote kaardebol -zaden-
Wild Teasel is a robust, prickly plant. Its lilac flowers appear in a wreath around its flower head. A good plant for producing dried flowers. Attracts bees and butterflies.
€2.79
Echinacea purpurea, Rode zonnehoed -zaden-
Purple coneflower has large purplish-red petals surrounding a domed center. It is suitable as a cut flower and besides having medicinal properties, it is also very attractive.
€2.79
Tijm, Thymus vulgaris 'Duitse Winter' -zaden-
The leaves and stems of thyme can be used fresh and dried. This culinary and medicinal herb is often used in pasta dishes. Sow in March or April and plant out in May.
€2.79
Tuinridderspoor, Consolida ajacis -zaden-
Doubtful Knight's Spur is suitable as a cut flower or for drying. This widely-branched plant bears blue spurred flowers.
€2.79
Kiemgroente Mosterdkers, Sinapis alba -zaden-
Mustard cress tastes lovely in sandwiches or with mashed potatoes or mustard soup. True to its name, this vitamin-rich sprout has a mustard flavor. Easy to grow using a special seed sprouter.
€2.79
Peterselie, Petroselinum crispum 'Gewone Snij 3' -zaden-
Parsley Flat (common cut) is the standard variety for fresh use. Usually, this variety can be cut three times per season. Parsley is used in a lot of different dishes, such as soup and dishes with carrots.
€2.79
Zonnebloem, Helianthus annuus 'Velvet Queen' -zaden-
Sunflower ‘’Velvet Queen’’ is a sunflower with branched stems and medium sized flowers with a warm, and attractive bronze colour. The plants can grow up to 2 metres high.
€2.79
Papaver somniferum 'Black Paeony' -zaden-
Opium Poppy 'Black Paeony' is a sturdy grey-green plant with deep red-black, double-petaled flowers. After flowering, it produces beautiful seed pods that can be dried.
€2.79
Basilicum 'Dark Opal' -zaden-
Red basil is an annual herb with a nice, strong smell. This variety is deep purple with medium sized leaves. Basil prefers a spot with shelter. Pick the leaves for direct use and for drying. When cutting, always make sure to cut above the first...
€2.79
Wortelpeterselie 'Halflange' -zaden-
Root Parsley 'Halflange' owes its name to the fact that the thick root is edible as well as the leaves. The plant produces smooth, dark green leaves. The roots are not hardy.
€2.79
Lavatera trimestris Lavatera, grootbloemig -zaden-
Annual Mallow is a firm, branched plant, which is a member of the Malva family. The plant is covered with big (10 centimetres), pink, dark nerved flowers. The flowers can be used as cut flower and the plant is an excellent bee and butterfly plant.
€2.79
Malva sylvestris Groot kaasjeskruid 'Mauritanica' -zaden-
Common Mallow 'Mauritanica' is a large, strongly branched plant that produces violet flowers. Its seeds resemble a cheese wheel. The flowers can be cut and also attract bees.
€2.79
Tropaeolum majus Oost-Indische kers, rankend -zaden-
Nasturtium (vining, climbing) has singular flowers in different shades of yellow, orange and red. The flowers and leaves of the plants are edible. Especially the flowers are used as garnish in salads. Planting close by fruit trees keeps lice at a...
€2.79
Papaver somniferum Blauwmaanzaad -zaden-
Opium Poppy (white) is a sturdy plant with grey-green foliage. Its white flowers with a lilac centre bloom for a remarkably short time and attract lots of bees. By late August, its decorative seed pots are suitable for drying.
€2.79
Halloweenpompoen 'Jack O’Lantern' Cucurbita pepo -zaden-
Jack O’Lantern' is the type of squash typically used for Halloween decorations. The fruits only start to change color from green to orange as they ripen. The fruits weigh about 3 kg.
€2.79
Kropsla, Lactuca sativa 'Wonder der Vier Jaargetijden' -zaden-
Butterhead lettuce 'Marvel of Four Seasons' produces tender leaves and has an attractively shaped head. This variety performs reliably in spring, summer and autumn. It can also be cultivated as baby leaves.
€2.79
Matricaria chamonilla, Echte kamille -zaden-
Chamomile bears white flowers with a yellow center under which is a hollow space. This plant is used for medicinal purposes and for chamomile tea. Sow outdoors in September or early spring.
€2.79
Slaapmutsje, geel, Eschscholzia caespitosa -zaden-
The yellow Foothill Poppy has heavily incised leaves and a lemon yellow color. Attractive to bees and butterflies. Sow directly in April or May.
€2.79
Koekruid, roze, Vaccaria hispanica -zaden-
The flowers of pink Cowherb appear after about two months. Cowherb is very easy to grow and has a strongly branched flowering habit. The short flowering period can be compensated for by staggered sowing.
€2.79
Zonnebloem, middel, geel, Helianthus annuus -zaden-
The medium-sized, yellow sunflower is suitable as a cut flower. Bees and butterflies adore it! The variety produces flowers in various shades of yellow. The plant reaches about 170 cm.
€2.79
Slangenkruid, Echium plantagineum -zaden-
Purple Viper's Bugloss is a cut flower that blooms over a long period. It attracts bees and butterflies. The flowers come in different shades of white, pink, and blue. Toward the end of flowering they turn crimson.
€2.79
Bolderik, Agrostemma githago -zaden-
Corncockle was traditionally found in corn fields. Corncockle is a tall, wispy plant that produces large, deep pink flowers fading to a white center. The seeds are poisonous. Sow in April or autumn.
€2.79
Cosmea, oranje, Cosmos sulphureus -zaden-
The foliage of Sulfur Cosmos is slightly larger. As the name suggests, the semi-double flowers have a bright orange-red color. This plant is sensitive to frost.
€2.79
Tagetes patula, Afrikaantje wild -zaden-
The annual African Marigold, wild grows strongly bushy with lots of fresh green leaves. The single flowers are red when opening, turning to orange. Helps control soil nematodes. Suitable as an interplant in the kitchen garden. Flowering time July...
€2.79
Dianthus barbatus, Duizendschoon -zaden-
Sweet William is a very good cut flower with densely clustered heads of flowers. This old-fashioned, robust plant flowers in a host of color combinations of white, pink, red and purple.
€2.79
IJsbergsla, Lactuca sativa 'Saladin' -zaden-
Iceberg lettuce 'Saladin' is not susceptible to bolting, but is less suitable for autumn cultivation. It can be grown as baby leaves. This iceberg lettuce forms medium sized heads with thick, crispy leaves.
€2.79
Kardoen, Cynara cardunculus -zaden-
Cardoon is a very old, multiannual vegetable from the Mediterranean area. The bleached, ribbed leaves need to be cooked for consumption. In order to bleach, you can cover the plant with a burlap sack three weeks before it flowers. Most of the...
€2.79
Aubergine, Solanum melongena 'Violetta Lunga 3' -zaden-
Eggplant Violetta Lunga 3 is a quite early variety with relative slender, deep purple fruits with a green handle. Be careful with the thorns. This eggplant is most suited for growing in a greenhouse. Tip: make the plants sprout on moist paper...
€2.99
Tuinboon, Vicia faba 'Express' selectie Eleonora -zaden-
The commercial broad bean variety 'Eleonora' has long, shiny pods, is known for its high production and is not prone to damage by wind. Sowing can start from early March to mid April.
€2.99
Knolvenkel, Foeniculum vulgare 'Perfection' -zaden-
Fennel 'Géant Mammouth Perfection' has big, round bulbs. For optimal growth, this plant needs good irrigation. Sow in April and plant out in May.
€2.99
Komkommer Cucumis sativus 'Marketmore' -zaden-
'Marketmore' is a cucumber with tasty fruits. It is a prickly variety. The fruits develop from the side shoots and grow to be about 20 cm long and 5 cm thick. Sow under glass at the end of April.
€2.99
Komkommer, Cucumis sativus 'Improved Telegraph' -zaden-
The fruits of cucumber 'Telegraph Improved' develop from the side shoots. The plant needs support to produce good, straight fruits. 'Telegraph Improved' is an old English variety.
€2.99
Paprika, Capsicum annuum 'Jubilandska' -zaden-
Jubilandska is a sweet pepper with oblong fruits. The young fruits are green, while maturing they become red. Jubilandska is a variety that does not become high, so there is no need to tie the plants placing a few (bamboo) sticks to prevent the...
€2.99
Peper Capsicum annuum 'Westlandse Lange Rode' -zaden-
Hot pepper Westland Long Red has relatively small hot fruits. The pepper is oblong and pointy shaped. The young fruits are green, while maturing they become red. The plants supply a lot of fruits that can be dried as well. The germination can take...
€2.99
Pompoen Tractor F1, Cucurbita maxima -zaden-
Winter squash 'Tractor F1' produces fruits with plenty of flesh that is easy to cut and de-seed. It is a highly productive variety that yields large, spherical, orange fruits.
€2.99
Pompoen Cucurbita pepo 'Sweet Dumpling' -zaden-
Delicata squash 'Sweet Dumpling' has a delicious, sweet taste. The fruit is small and white with dark green stripes and deep ribs. Each fruit weighs about 300 grams.
€2.99
Prei, Allium ampeloprasum var. porrum 'Blauwgroene Herfst' -zaden-
Leek 'Blauwgroene Herfst' is quite strong and does not suffer wear and tear in the late autumn/winter. Moreover, it can withstand frost quite well. Leek requires a nutritious and deeply loosened soil. Plant when the leek plants are as thick as a...
€2.99
Meiraap Milanese witte roodkop, Brassica rapa var. majalis -zaden-
Turnip Milan White Red Top is an old vegetable with a beautiful bicoloured turnip that tastes very good when it’s still raw. Turnip can be sowed in spring as well as in autumn. Harvest the tubers when they are about 6-8 cm in diameter.
€2.99
Raapsteel, Brassica rapa subsp. campestris 'Namenia' -zaden-
Turnip green 'Namenia' is a spring vegetable and tastes delicious mashed or in a salad. 'Namenia' can also be grown for baby leaves. It has a short growing period and produces tender leaves.
€2.99
Radijs, Raphanus sativus 'Cherry Belle' -zaden-
Radish Cherry Belle is a beautiful round radish, which does not rot very quickly. If the sowing happens regularly, one gets a pleasant well spread harvesting period. Using nets can prevent damage caused by larvae of the cabbage fly or cabbage maggots
€2.99
Rucola, Eruca sativa ' Coltivata Esmee' -zaden-
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. ‘Esmee’ is a fast growing variety that can be...
€2.99
Veldsla, Valerianella locusta 'Vit' -zaden-
Corn salad 'Vit' is a variety that forms rosettes of short, dark leaves. It can be grown as baby leaves. The crop is very tolerant and can withstand frost.
€2.99
Spinazie Vroeg Reuzenblad, Spinacia oleracea -zaden-
Spinach 'Early Giant Leaf' is exactly what the name suggests. A fast growing variety, especially for early cultivation. Spinach is not very frost-sensitive, so it needs no cover.
€2.99
Spinazie Winterreuzen, Spinacia oleracea -zaden-
Spinach 'Winter Giant' tolerates frost rather well. This makes it the classic spinach variety for winter cultivation. It has large, deep green leaves. Also suitable as a baby leaf.
€2.99
Tomaat, Solanum lycopersicum L. 'Bolstar Granda' -zaden-
Tomato 'Bolstar Granda' is highly productive and especially suitable for unheated greenhouses or polytunnels. This vigorous variety produces clusters of 5-10 fruits with a lovely, mild taste.
€2.99
Tomaat, Solanum lycopersicum L. 'Zuckertraube-type' -zaden-
Cherry Tomato 'Zuckertraube' is very vigorous and produces large trusses with tasty, sweet tomatoes. The fruits are, with a weight of 15-25 grams, just a little bit bigger than cherry tomatoes. The stem needs support and the suckers need to be...
€2.99
Bosui, Allium cepa 'White Lisbon' -zaden-
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...
€2.99
Watermeloen Sugar baby, Citrullus lanatus -zaden-
Watermelon 'Sugar Baby' is best grown in a greenhouse or a cold frame. Make sure the plants can be visited by insects for pollination. Watermelon 'Sugar Baby' is a beautiful small watermelon weighing about 1.8 kg. Growing on flat fields in a...
€2.99
Witlof Hollandse Middelvroeg, Cichorium intybus var. foliosum -zaden-
Grow chicory 'Hollandse Middelvroeg' at a shallow depth in soil that is low in nitrogen to slow growth. This chicory variety is ideal for traditional cultivation, i.e. cover with soil to force.
€2.99
Zomerwortel, Daucus carota sativus 'Nantes 2' -zaden-
Nantes 2' carrots produce cylindrical carrots. The wider apart, the larger the carrots will grow. This variety produces nice cylindrical carrots that taste sweet. Sow in the soil, preferably in ridges.
€2.99