New England Harvester Tool

Organic Fertilizer
Solutions

Select your plant and deficiency to get product recommendations that actually work — every one personally used by Mike Baker.

→ Prefer homemade kitchen remedies? Try the Homemade Calculator
1 What are you growing?
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Not sure what's deficient? Start with a soil test.
A soil test takes the guesswork out — it tells you exactly what's missing and in what quantity before you start amending. Two good options:
🏫 UNH Extension Lab — $20 Mail-In Test Most accurate. Results in ~1 week. Best for New England soils. 📦 Instant Soil Test Kit on Amazon Results in minutes. Great for a quick baseline before mail-in.
2 What symptoms are you seeing?
A note from Mike Every product listed here is something I've used in my own garden. I've linked to Amazon for convenience — these are affiliate links and I earn a small commission if you buy through them, at no extra cost to you. I only list products I'd recommend to a neighbor. If you'd rather make your own remedies from kitchen ingredients, check out the Homemade Fertilizer Calculator.