Make your own seed bombs: The guide for DIY enthusiasts

Seed bombs, also known as seed bombs, are an important tool in your arsenal as a guerrilla gardener. They offer you an effective and environmentally friendly way to green the urban landscape and promote biodiversity. This comprehensive guide will take you step by step through the process of making your own seed bombs.

Where do seed bombs come from?

Seed bombs come from the guerrilla gardening movement and were developed to green up waste areas in cities. They are a simple and effective way to beautify the environment with flowers and support the local ecosystem. The main ingredients are soil, clay powder, water and seeds, which are formed into small balls.

The philosophy of seed bombs

The idea of ​​seed bombs goes back to the Japanese rice farmer Masanobu Fukuoka, an advocate of natural farming. After the Second World War, he used his Nendo Dango (seed balls) primarily to sow rice and barley. In the 1970s , active guerrilla gardening emerged in New York. Movement.

Why seed bombs?

Seed bombs offer a simple and effective way to green urban areas and promote biodiversity. They are ideal for hard-to-reach places such as traffic islands, green areas or brownfields. A targeted throw is enough to cause plants to sprout from the ground.

Responsible use of seed bombs

It is important to note that seed bombs should only be used in urban areas. They have no place in nature reserves, on agricultural land, on private property or similar. Planting in public spaces is considered damage to property by law. That's why it's important to act responsibly and respect local laws.

The right seeds for your seed bombs

Choosing the right seeds is crucial to the success of your seed bombs. It is advisable to use seeds from native plants. Non-native plants can pose a problem because they have no natural competition here and can therefore spread uncontrollably.

Instructions for making seed bombs

Making seed bombs is easy and requires only a few ingredients. Here is a simple guide on how to make your own seed bombs:


  • 200 g clay (optionally also healing clay from the drugstore)
  • 200 g soil (normal potting soil, also mixed with compost)
  • 3 bags of seeds
  • Water


  1. Sieve the soil finely and mix it with the seeds and clay in a large bowl.
  2. Gradually add water and knead the mixture into a smooth "dough".
  3. Form the dough into walnut-sized balls and let them dry in a cool, well-ventilated place. This takes about two days.

Once dry, the seed bombs can be tossed immediately or stored in a cool, dry place for up to two years.

The use of seed bombs

The best time to use seed bombs is in spring, preferably just before it rains. Then you simply throw the seed bombs onto the desired area and wait for the plants to grow. In principle, seed bombs can be used all year round. A litter in autumn is also ideal. Then the flowers bloom the following spring.


Seed bombs offer a simple and effective way to green the urban landscape and promote biodiversity. With a little effort and the right ingredients, you can make your own seed bombs.

Become part of the movement! Make your own seed bombs and help make the world a little greener.