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Innovative Gardening with Recycled Whelk Shells

Gardening is evolving beyond traditional soil and plant care. Today, eco gardening materials are gaining popularity as gardeners seek sustainable, environmentally friendly options. One such innovative material is the use of recycled whelk shells. These natural shells, which would otherwise be discarded as waste, can be repurposed to enhance garden health and aesthetics.



Testimonial by Michael Perry AKA Mr Plant Geek
Testimonial by Michael Perry AKA Mr Plant Geek

The Rise of Eco Gardening Materials in Sustainable Gardening


Eco gardening materials are products derived from natural or recycled sources that reduce environmental impact. They help conserve resources, improve soil health, and promote biodiversity. Using such materials aligns with the growing global movement towards sustainability and responsible consumption.


Some popular eco gardening materials include:


  • Peat free compost and organic mulches

  • Natural stakes and supports

  • Recycled plastics and metals

  • Sustainably sourced shells from marine life, such as whelks


Among these, recycled whelk shells stand out for their unique properties and versatility. They are rich in slow release calcium carbonate, which benefits soil structure and plant growth in the long term. Additionally, their porous texture aids in moisture retention and aeration.


Close-up view of recycled whelk shells arranged in a garden bed
Recycled whelk shells used as mulch on pots containing autumn planted spring bulbs.

Benefits of Using Recycled Whelk Shells in Your Garden


  • Soil Amendment

  • Drainage Improvement

  • Pest Deterrent

  • Aesthetic Appeal

  • Sustainability



How to Incorporate Eco Gardening Materials Like Whelk Shells into Your Garden

Integrating eco gardening materials requires understanding their best uses and how they interact with your garden environment. Here are practical ways to use whelk shells effectively:


1. Mulching with Whelk Shells


Spread crushed shells around plants as mulch. This helps retain moisture, suppress weeds, and stops the soil splashing onto plants during heavy rainfall.


  • Use a 2-3 cm layer on plots & planters, flower beds or vegetable patches.



2. Soil Amendment


A finer grade of crushed shells - like the texture of coarse sand - mixed into garden soil will improve texture and reduce acidity.


  • Ideal for gardens with clay or sandy soils.

  • Apply before planting or during soil preparation.


3. Decorative Pathways and Borders


Arrange whole shells along garden paths or borders for a natural, coastal look.


  • Combine with gravel, pebbles or stepping stones for contrast.

  • Ensure shells are securely placed to avoid tripping hazards.


4. Creating Natural Pest Barriers


Place crushed shells around vulnerable plants to deter slugs and snails.


  • Replace shells regularly as they break down or migrate.

  • Combine with other organic pest control methods for best results.


High angle view of garden pathway lined with whelk shells and gravel
Shell pathway with Shell on Earth whelk shells for award winning RHS Hampton Court show garden 'Charleston 250' by Sadie May Stowell



Testimonial by Emily Crowley-Wroe, Garden Designer
Testimonial by Emily Crowley-Wroe, Garden Designer

Enhancing Your Garden’s Sustainability with Recycled Whelk Shells


Incorporating recycled whelk shells into your gardening routine supports a circular economy by repurposing natural waste. This practice reduces reliance on imported and/or quarried materials lowering your garden’s environmental footprint.


By choosing eco gardening materials like these shells, you contribute to:


  • Waste Reduction: Diverting shells from landfill.

  • Resource Conservation: Minimising extraction of non-renewable materials.

  • Biodiversity Support: Creating healthier soil ecosystems.

  • Aesthetic Harmony: Blending natural elements into garden design.


As gardeners we can experiment with different applications to find what works best for our plants and soil types. The versatility of whelk shells makes them a valuable addition to any sustainable garden.



Gardening with eco-friendly materials is more than a trend - it is a commitment to nurturing the earth while enjoying the beauty and bounty of your garden. By embracing innovative solutions like recycled whelk shells, you can create a thriving, sustainable garden that benefits both plants and the planet.



Testimonial by Simon Lycett, Floral Designer to the stars.
Testimonial by Simon Lycett, Floral Designer to the stars.

 
 
 

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