organic seeds for

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  • Organic seeds for growers' success

    Welcome to De Bolster – organic seeds for professional growers and home gardens. Discover a wide range of varieties.

  • Organic seeds for growers' success

    Welcome to De Bolster – organic seeds for professional growers and home gardens. Discover a wide range of varieties.

  • Organic seeds for growers' success

    Welcome to De Bolster – organic seeds for professional growers and home gardens. Discover a wide range of varieties.

  • Organic seeds for growers' success

    Welcome to De Bolster – organic seeds for professional growers and home gardens. Discover a wide range of varieties.

  • Organic seeds for growers' success

    Welcome to De Bolster – organic seeds for professional growers and home gardens. Discover a wide range of varieties.
Premium organic seeds
100% organic, GMO-free
Fast delivery within Europe
Specialist in Cucurbita breeding

Our winter squash varieties are developed for organic cultivation. The bush types are particularly productive and allow for longer mechanical weed control. Browse our organic squash varieties to discover all benefits.

PRO Pompoen 'Amoro F1' - Cucurbita maxima

Winter Squash 'Amoro F1'

PRO Pompoen 'Solor'

Winter Squash 'Solor'

PRO Pompoen 'Fictor' – Cucurbita maxima

Winter Squash 'Fictor'

PRO Pompoen 'Tractor F1'

Winter Squash 'Tractor F1'

NEW! Pompoen 'Leckør F1' – Cucurbita maxima

Winter squash ‘Leckør F1’

PRO Klimcourgette ‘Ola Escaladora’ - Cucurbita pepo

Courgette (climbing) 'Ola Escaladora'

PRO 1355 Courgette 'Ola Gabriella F1'

Courgette 'Ola Gabriella F1'

PRO Bolcourgette 'Ola Redonda' – Cucurbita pepo

Round courgette ‘Ola Redonda’


Exclusive organic varieties

Our varieties perform very well when grown in soil, even under low fertiliser conditions. We offer a wide range of Tomato and Pepper varieties for organic cultivation.

PRO Cherrytomaat 'Bartelly F1' – Solanum lycopersicum

Cherry Tomato 'Bartelly F1'

PRO Tomaat 'Bolstar Gimli F1' – Solanum lycopersicum

Round Tomato 'Bolstar Gimli F1'

PRO Mini-pruimtomaat 'Bolstar Baloe F1' – Solanum lycopersicum

Mini-Plum Tomato 'Bolstar Baloe F1'

PRO Pruimtomaat 'Bolstar Sensatica F1' – Solanum lycopersicum

Plum Tomato 'Bolstar Sensatica F1'

PRO Blokpaprika 'Elsa F1'

Blocky pepper 'Elsa F1'

PRO Snackpaprika 'Arwen'

Snack pepper 'Arwen'

PRO Zoetpuntpaprika 'Kyra'

Pointed sweet pepper 'Kyra'

PRO Peper 'Koh Chang'

Hot pepper 'Koh Chang'


Home garden favourites

De Bolster supports seed companies worldwide with organic seeds. We produce more than 300 varieties of vegetables, herbs and flowers, all certified organic and GMO-free.

PRO Snijbiet 'Fireworks' - Beta vulgaris subsp. cicla

Chard 'Fireworks'

PRO Tübingermengsel - 6130

Tübingen Flowers, mixture

PRO Rucola 'Esmee' – Eruca sativa

Rocket 'Esmee'

PRO Tuinboon 'Eleonora' – Vicia faba

Broad Bean 'Eleonora'

PRO Salie

Sage

Winterwortel Flakkeese 2

Carrot 'Autumn King 2'

Stamdoperwt 'Kelvedon Wonder'

Pea 'Kelvedon Wonder'

Tropaeolum majus

Garden Nasturtium, non-trailing

Radijs 'French Breakfast 2' – Raphanus sativus

Radish 'French Breakfast 2'

Goudsbloem – Calendula officinalis

Pot Marigold

PRO Stokslaboon 'Cobra'

Climbing French Bean 'Cobra'

1630 Pastinaak 'Tender and True'

Parsnip 'Tender and True'