Sweet Pepper

Compared with tomato, for instance, sweet pepper is a less vigorous crop that demands a different approach to crop steering. Growers are increasingly aware that improved crop steering can achieve more vigour and crop balance. In recent years Grodan has worked hard on developing slab-specific solutions aimed at earlier production, vigorous growth and fruit quality, for sweet peppers specifically.

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Case studies

Tangmere UK pepper grower
Case Studies
25 Jun 2026

How Grodan helps Tangmere to keep pepper production on track

Inspired by the company’s historic location, which played a significant role in the Battle of Britain, Tangmere Airfield Nurseries Ltd is committed to cultivating the best produce with passion and integrity. General Manager Gerard Vonk explains how Grodan supports the UK’s largest dedicated grower of bell peppers in its aim to run a high-quality and sustainable horticultural business.

20250404 RW-GR PHO 1618
Case Studies
07 Apr 2025

Propagated with Innovation, Rooted in Tradition

Discover the inspiring story of Haedamto, a family-owned greenhouse farm in Southwest Korea specializing in bell peppers, mini peppers, and sweet point peppers. Learn how their commitment to sustainable cultivation and in-house propagation meets the high standards of Korean and Japanese markets.

20181115 RW-GR-PHO 111
Case Studies
16 Nov 2018

New stone wool slab for the cultivation of sweet peppers does what it promises

Rob Moors, a Dutch grower in Asten-Heusden, praises the superior root distribution in Grodan slabs compared to his previous choice.

20181115 RW-GR-PHO 105
Case Studies
16 Nov 2018

Geert Colbers about Grodan Supreme

At the Gubbels nursery, 25 hectares of sweet peppers are cultivated on Grodan Supreme stone wool slabs.

20210416 GR PHO 5428
Case Studies
21 Apr 2021

Jeu Rutten (Wijnen Square Crops) about Grodan Supreme

Wijnen Square Crops relies on Grodan's Supreme slab for blocky pepper crops, supporting a generative approach to growing.

GR20200524 GR PHO 5193
Industrial - Other
03 Mar 2021

The right block-slab interaction ensures healthy plants

Sander Berkers of Moors sweet pepper nursery emphasizes the importance of a healthy root system with the right block-slab combination.

Products

Broad control range and generative growth

Grodan GT Master Dry

Grodan GT Master Dry is a stonewool substrate slab to grow vegetable plants in high tech cultivation, like tomato, sweet pepper, cucumber and eggplant.

20200410 GR PHO 5165
For reliable production

Grodan Vital

Grodan Vital is a stonewool substrate slab to grow vegetable plants in high tech cultivation, like tomato, sweet pepper, cucumber and eggplant.

The slab for growers who pursue a strong generative crop development.

Grodan Vital Dry

Grodan Vital Dry is a stonewool substrate slab to grow vegetable plants in high tech cultivation, like sweet pepper and eggplant.

The foundation for uniform and perfectly controllable propagation of plants.

Grodan Delta NG2.0

Grodan Delta NG2.0 is a stonewool block to grow vegetable plants in high tech cultivation, like tomato, sweet pepper, cucumber and eggplant.

20200410 GR PHO 5168
Unique stone wool slab for the cultivation of sweet peppers (V system), with wide water content (WC) and EC control ranges that promotes complete, finely branched root development and constant vigour.

Grodan Supreme

Grodan Supreme is a stonewool substrate slab to grow vegetable plants in high tech cultivation, like sweet pepper.

Vegetative and fast root development

Grodan Plantop Dry

Grodan Plantop Dry is a stonewool block to grow sweet pepper plants in high tech cultivation.

Generative & steered growth drainage

Grodan Plantop

Grodan Plantop is a stonewool block to grow vegetable plants in high tech cultivation, like tomato, sweet pepper, cucumber and eggplant.

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Blogs

20201211 GR PHO 5330
By Lynn Radford
Sustainable Growing

Grodan supports pepper grower’s sustainability ambitions

Rob Moors, owner of Kwekerij Moors, discusses how Grodan supports his pepper-growing company's commitment to quality and sustainability.

20240910 RW-GR PHO 1541
By Mona Nazari
Sustainable Growing

Walking the greenhouses of Leamington, Ontario: a journey into the heart of Controlled Environment Agriculture

Grodan's 'Designed to grow together' philosophy blends nature, tech, and human leadership in horticulture, as Mona Nazari explores Canadian greenhouses.

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20220930 RW-GR PHO 1082
Introduction to stone wool

Introduction to stone wool

Stone wool and plant cultivation align seamlessly, transforming a bountiful resource for human benefit— a magical and exciting synergy.

Grodan water drop
Designed to Grow

Designed to Grow

Grodan's soilless growing system evolves continuously, promising high yields of consistent, high-quality crops for a growing population.

20230705 RW-GR ILLUS 327
Crop Consultancy

Grodan 6-phase advice

The Grodan 6-phase model offers structured cultivation information for optimal crop results during each phase.

Grodan Newsletter

Do you want to learn more about Grodan? Feel free to sign up to our newsletter. Grodan ensures that growers can make optimum use of its products and services by interpretting the company’s knowledge of and experience with substrate cultivation in terms of up-to-date, crop-oriented advice. Ranging from tailor-made advice from crop consultants to newsletters, seminars and training courses and articles in trade journals.

Grodan, product

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We are a global leader in the supply of innovative stone wool substrate solutions for the professional horticultural based on Precision Growing principles.

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