Make the Best Seed Starting Mix for Dirt Cheap (It’s Organic Too)
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Feb 10, 2026, 07:09 PM
Photo: Unsplash - Gabriel Jimenez
About This Resource
The article Make the Best Seed Starting Mix for Dirt Cheap (It's Organic Too) appeared first on Garden Betty. The best seed starting mix needs only three ingredients, and you can find them all in your local garden center. Save money with this simple recipe you can easily make at home (without complicated soil amendments and fertilizers). Read other Garden Betty articles from Linda Ly.
Key takeaways
What to know before you act on this, from the SteadScape editors.
- Use a 1:1:1 ratio of sphagnum peat moss, perlite, and vermiculite for your seed starting mix, adjusting quantities based on your needs.
- Sphagnum peat moss can absorb 16 to 26 times its weight in water; ensure it is thoroughly moistened before filling pots.
- Avoid using unbuffered coco coir; always choose triple-washed coir to prevent salt issues that can harm seedlings.
- Fill seedling pots with the mix within 4 weeks of your last frost date to ensure optimal germination for spring planting.
- Best for
- Beginners starting seeds indoors; prepare mix in late winter before planting.
- Pairs with
- Garden Planner for your zone and frost dates.
Source Information
Domain: gardenbetty.com
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