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Muddy Faces

Seed bombs

A fun way to distribute seeds & green-up neglected areas. This post also addresses responsible seed-bombing.

Art & Creating


Seed-bombing is hotly debated. Is it livening up waste ground with native plants to support wildlife? Or is it dropping unwanted seeds without permission?

We recommend a less-controversial approach – use seed bombs as a way to green your own space – growing wanted plants on authorised land makes seed-bombing a great activity.

What you'll need

  • compost
  • seeds
  • clay
  • pencil / pointed stick

Jo Phillips

Useful items from our shop

Item available from our shop

Environmental Considerations

Consider the environmental impact of preparing, carrying out & completing this activity. Could this impact be reduced? Specific considerations for this activity could include:

  • choose clay with no nylon fibres
  • don't add glitter or other non-degradable stuff

Health & Safety Considerations

Follow your usual operating procedures and carry out appropriate risk benefit assessments.
Some considerations particular to this activity include:

  • use your own site or have permission

A note on materials:

Muddy Faces recommends using natural rather than air-drying clay. Air-drying clay usually has nylon fibres in it to help reinforce it when it dries – these can get into the natural environment.
For the same reason we suggest you do not decorate with glitter (as is sometimes suggested), as the small particles are plastic and do not break down naturally.

Step #1

Mix together some garden compost and wildflower seeds.

Step #2

filling a clay pocket with seeds

Add a little water and tightly compact small handfuls into balls.

For a more sturdy ball, roll out some circles of natural clay.

Hold the circle in your hand and mold it into a pocket.

Gently fill the clay with the seeds and compost mixture, then mould the whole thing into a ball.

Step #3

Leave the clay balls in the sun to dry.

Step #4

Throw your bombs onto the area you want to seed.

clay balls with patterns scratched into them

Take it further

Use a stick to scrape patterns into the balls.

Why not use catapults or water bomb launchers to spread your seed bombs?

Take a note, or make a map of where your seed bombs go. Visit in a few weeks to see if anything has grown.

Have a discussion around ‘guerrilla seed-bombing’ (leaving them in places without permission). What are the ethical issues?

Disclaimer: Muddy Faces cannot take any responsibility for accidents or damage that occurs as a result of following this activity.You are responsible for making sure the activity is conducted safely.

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