How to Make Wildflower Seed Bombs

3 Materials
$5
15 Minutes
Easy
I have no idea who first came up with the notion of seed bombs, but in the last couple of years I have seen numerous mentions of them as a tool for ‘Guerrilla gardening’. To be clear, the kids and I aren’t planning to take up breaking and entering, or any other illegal activity, and we don’t suggest that you do either! We do, however, see the benefit of spreading a few wildflower seeds about the place to support our native species.
There are a number of commercial seed bombs on the market now, but it is far cheaper and much more fun to make your own. We made ours using household flour, seed compost and native wildflower seeds. We bought our seed from the garden centre, but you could also collect your own.
We used the ratio of one cup of flour to 3 cups of compost and combined it well before adding our seed.
Once we had added our seed, we tried to handle it gently so not to damage any of it! We added just enough water so that the mixture would hold together.
And then we formed our little seed bombs making them about the size of a marble, leaving them to dry out for 24 hours.
Once dry stick a handful in your pocket, get outside and start looking for an unloved corner of your neighbourhood that would benefit from a splattering of wildflowers. Alternatively, sprinkle them on top of a few pots in the garden to grow your wildflower meadow. Before it is due to rain is a perfect time to throw your seed bombs.
We've got lots more wildlife friendly posts on our blog. Below are two of our favourites...
Support the bees in your garden while adding a pop of colour, with our DIY bee water station.
How To Make A Simple Bee Water Station For Your Garden
Our DIY window bird feeder is made from an old cake pan and allows us to watch our lovely wild birds eat their breakfast while we eat ours. It is a fantastic way to see birds close up while still keeping them safe from predators.
How To Make A Cute Window Bird Feeder

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Frequently asked questions

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3 of 21 questions
  • LINDALEE LINDALEE on Jan 29, 2020

    Would this work. Instead of drying them out, leaving a bit moist & cover with a bit of soil? Ground here is lots of clay & not sure how they would be absorbed. Also a ton of birds here might take the little balls as food?

  • Lau Lau on Jan 30, 2020

    How much seed do you add to each, and how long can they keep before the Seed bombs will no longer bloom? Do they have to be used in the same week, or is it months? Thank you, I LOVE this and can’t wait to make some.

  • Geribrinley Geribrinley on Jan 30, 2020

    what keeps the little critters from peeking the seeds out of your bomb?

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  • Geribrinley Geribrinley on Jan 31, 2020

    Yes, I really want to try it. And the chili pepper is a great idea. Thanks.

    geri

  • Gabrielle Falk Gabrielle Falk on Feb 04, 2020

    Be very careful when opening any containers of potting mix, manure, compost etc.. It's best to open the top, and let the contents 'air' for at least 1/2 an hour or so. By so doing, you can hopefully avoid being contaminated by mould spoors etc.. Which if you breath in can cause Legionnaires Disease. A respiratory disease. Also, wearing gloves is a good idea too. Or just wear a mask over your nose and mouth. I prefer leaving the top open, thus you won't get any nasties in your eyes and ears, and lungs. Happened to me once, and I had to go to hospital. They thought I might have had L.Disease. Fortunately not.But I still felt very sick for days, and was on antibiotics. From Sydney, Australia.


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