Seed Bombs: Be a Garden Rebel

Seed bombs are designed to be launched over fences, out of car windows, or when passing by on foot or bike. They are a stealthy way to plant an array of seeds in places that are neglected or devoid of greenery. Abandoned lots, roadside strips, dismissed patches of soil (between houses, under trees, and deserted yards) are perfect opportunities to be a garden rebel. Resist practicing your throwing skills onto private properties.

Seed bombs or seed balls are not a new idea. Research shows that many Native American tribes used seed balls to protect their newly planted corn from drought and birds. A few decades ago, Japanese’s gardeners started fashioning clay seed balls as a beneficial way to plant their next crop without unsettling the current crop. Now a days, rebel gardening is a great way to introduce plants into areas that are lacking vegetation, thus attracting bees, butterflies, and birds to otherwise barren plots.

The clay protects the seed from hungry animals and absorbs water from dew and rainfall. The soil or compost gives the roots something to dig into when the seed sprouts. As the seedling grows, the seed ball breaks down slowly. This provides the plant a flourishing platform for continued growth. The best time to “plant” your seed bombs are in the spring or the fall seasoning.

clay powder (flour)

You can use any seeds you want. Many gardeners recommend using native plant seeds. However, garden rebels do not limit themselves to just native seeds. There is nothing wrong with mixing in pumpkin seeds, beans, non-native flower seeds, maple tree seeds, etc. Blue Rock Herbs collects many seeds over the years. Every couple of years, we “clean-out” older seeds (because the germination rate decreases over time) and seeds that we have decide not to plant in the garden. We take those unwanted seeds and give them a new life as tenacious seed bombs.

collected seeds

Making seed bombs is fun and simple. Adults and kids alike will enjoy both the making and launching of their very own seed bombs.

Seed Bomb Recipe with clay flour (powder)

Needed items:

  • plant seeds (1/2 cup)
  • clay flour or powder (2 1/2 cups) –find at any craft shop or online
  • potting soil or compost (3 cups)
  • water (1 cup)
  • large mixing bowl or tub
  • large flat tray or pan (like a baking tray)
  • measuring cups

clay powder seed bomb ingredients

Instructions:

Place the seeds, clay flour, soil, and water into the mixing bowl or tub. Use your hands and blend them together in a squeezing motion, until you get a consistency that allows you roll a blob of the mixture between your palms into small clay balls. Place the clay balls onto the flat tray or pan to air dry. Let the seed bombs dry for two or three days in a shady location.

clay powder seed bomb ingredients combined

After they have dried, it’s bombs away time!

You can toss them onto your desired location or store them in a dry, dark container.

seed bombs (clay powder recipe)

Seed Bomb Recipe with air dry clay

Needed items:

  • plant seeds (1/2 cup)
  • air dry clay (1 1/2 cups) –find at any craft shop or online
  • potting soil or compost (1 cup)
  • water (1/4 cup)
  • large mixing bowl or tub
  • large flat tray or pan (like a baking tray)
  • measuring cups

air-dry clay seed bomb ingredients

Instructions:

Place the seeds, air dry clay, soil, and water into the mixing bowl or tub. Use your hands and blend them together in a kneading motion, until you get a consistency that allows you roll a blob of the mixture between your palms into small clay balls. Place the clay balls onto the flat tray or pan to air dry. Let the seed bombs dry for two or three days in a shady location.

air-dry clay seed bomb ingredients combined

After they have dried, you can toss them onto your desired location or store them in a dry, dark container.

seed bombs (air-dry clay recipe)

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4 Comments

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    This is cool

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