Absolutely – plants have no trouble growing through the shells.

Many customers have reported great results using shells to deter slugs and snails. However, no method is 100% effective – determined pests will sometimes find a way!

You can find your local stockist by visiting our stockist page here.

We’d love to hear from you! Please email caryl@shellonearth.co.uk (mailto:caryl@shellonearth.co.uk); company name, registration number, VAT status, location.

Use our handy coverage calculator - at the bottom of this page - to work out the right amount for your project.

Like any aggregate, shells placed in damp or shaded areas may turn green. For best results, use them in sunny spots – a south-facing position is ideal.

Up until 2016 we had a licence to return shells to the sea, but when this was discontinued we were tasked with finding a more sustainable solution. After some years of research and development, Shell on Earth was born in 2019 – turning what was once a by-product into a useful, eco-friendly resource.

At the moment we only sell online and at occasional events. Keep an eye on our social media for event updates!

Yes! Simply select ‘Pickup’ at checkout. Collections are available from our New Quay or Crymych sites by prior arrangement: • We’ll email you when your order is ready and arrange a convenient time • Collections are normally Monday–Friday, 9am–2pm (excluding bank holidays)

Yes! They make a great top dressing for houseplants - just make sure the soil isn’t waterlogged, as shells don’t absorb moisture.

Definitely. Mixing them into compost helps to improve drainage and aeration - especially useful for succulents, Mediterranean plants and bulbs like tulips.

Large or heavy orders may be split into multiple parcels due to weight restrictions. They can occasionally arrive on different days.

Once your order is dispatched, DPD will email or text you with a delivery slot - you can then reschedule to a day that suits you.

Yes - they’re a by-product of our family’s seafood processing business. By repurposing them, we prevent them from going to landfill and give them a second life in your home and/or garden.