Garden Myths Busted: Fertilizers vs. Soil Amendments

Gardening doesn’t have to be complicated, but it sure feels that way when every bag at the garden center makes big promises. One of the most common myths I hear is that fertilizers and soil amendments are the same thing. They’re not — and knowing the difference will save you time, money, and headaches.

Fertilizer = Plant Food

Think of fertilizer as a meal for your plants. It gives them nutrients like nitrogen (N) for leafy growth, phosphorus (P) for roots and flowers, and potassium (K) for strength and health. Fertilizers don’t fix your soil — they just feed what’s growing in it.

Amendments = Soil Boosters

Amendments are for your soil, not your plants directly. Things like compost, mulch, or sand improve how soil drains, holds water, and supports roots long-term. Amendments build the foundation so your plants have a healthy home.

The Myth: “More Fertilizer = Better Plants”

Overdoing fertilizers and amendments won’t make your plants thrive faster — in fact, it can burn roots and cause more harm than good. Healthy soil + the right balance of nutrients always beats a heavy hand with the fertilizer spreader.

Your Takeaways

• Fertilizers feed plants when they need a boost.

• Amendments improve soil for the long run.

• Don't overdo it or underdo it if you want it to work. Take the time to read the package labels and follow those directions.

• They’re not the same thing — but together, they make a powerful team.
  

Keep It Simple

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Because gardening doesn’t have to be complicated — it just has to make sense.