The Super Soil Recipe That Boosted My Microgreens Yields Up To 50%
- jonahkrochmalnek
- 6 days ago
- 2 min read
If you’ve ever felt frustrated by low yields, poor shelf life, or bland flavor in your microgreens, you’re not alone.
Soil might not be the most exciting part of growing, but after producing over 250,000 trays of microgreens, I’ve learned one thing: soil is everything.
In this post, I’ll share the exact super soil recipe that helped me grow stronger, tastier, and more profitable microgreens—with up to 50% higher yields. It even works wonders on fruit, veggies, and houseplants.
Let’s dig in.
🎥 Prefer to watch? Check out the full video here: Watch on YouTube
Why Use a Super Soil Mix?
✅ Boosted yields – Up to 50% more harvest compared to generic potting mixes
✅ Longer shelf life – Healthier plants stay fresh longer after harvest
✅ Stronger flavor and color – Nutrient-dense soil = nutrient-dense greens
✅ Works on any plant – From habaneros to houseplants
✅ Takes 5 minutes to mix – No complicated ingredients or steps
What You’ll Need for the Super Soil Recipe
Here’s your 2-ingredient base that outperformed everything else I’ve tested across thousands of trays:
🪴 ProMix HP or MP
🔧 Optional Add-On: 5–10% worm castings or high-quality compost (skip this for microgreens)
The Exact Super Soil Recipe
To make 1 gallon of Super Soil:
Add 40g (1.4 oz) of Gaia Green All Purpose Fertilizer
Mix thoroughly into 1 gallon of ProMix HP or MP
➡️ If you're using a full bag of ProMix (7 cubic ft uncompressed), you'll need ~2,000g (4.5 lbs) of fertilizer.
That’s it. Just two ingredients. Mix well and you're ready to grow.
Why This Soil Works So Well
🧬 Soil Structure
ProMix HP is light, fluffy, and breathable. It’s made with peat moss, perlite, and limestone—perfect for preventing soggy roots in microgreens and houseplants.
🌿 Nutrients
Gaia Green is an organic, slow-release fertilizer loaded with nutrients and micronutrients:
Glacial rock dust
Alfalfa meal
Insect frass
Bat guano
Rock phosphate
It feeds your plants for weeks and helps build long-term soil health.
I even spoke with Gaia Green’s founder years ago—he explained how it was designed to mimic nature’s diversity, not overload plants with concentrated manure. That’s why it works across crops and doesn’t burn delicate greens like other fertilizers.
What Results Can You Expect?
Here’s what I and other farmers have experienced after switching:
✅ Microgreens yields increased by up to 50%
✅ Flavor and shelf life improved noticeably
✅ Farm profits rose just from using better soil
I’ve moved every crop I grow to this soil—microgreens, peppers, herbs, even houseplants. And I’ve never looked back.
Where to Buy the Ingredients
You can find both components at:
Local hydroponics stores
Garden centers
Online retailers
Final Thoughts: The Best Soil for Microgreens and Beyond
If you’re tired of guessing what soil to use—or seeing inconsistent growth—this super soil recipe is a game-changer. Whether you’re growing microgreens, herbs, or veggies—this mix is the best I’ve found after years of testing.
📘 Get Our Free Growing Guide: Microgreens Mastery Growing Guide
🎥 Watch the Full Tutorial: Super Soil Recipe Video
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