First commandment: Wait for the soil to warm up. If you mulch too early, the ground stays cold and your tomatoes sulk. They need that earth to feel like a cozy bath, not a cold shower.
I mulched in early May last year because I was excited. My neighbor's plants were already fruiting in July. Mine were still having an existential crisis. Patience, young gardener.
Second commandment: Never, ever create a “volcano” of mulch around the stem. That is the number one way to invite rot, slugs, and a fungal disaster that looks like a horror movie.
Leave a little breathing room—like a donut hole around the base. The stem needs to see the light of day. It’s not a vampire; it doesn’t hide from the sun.
Third commandment: Use the right material. Straw is great (not hay—hay has seeds that will laugh at you). Shredded leaves work wonders. Grass clippings are fine if you dry them out first, or they turn into a slimy green swamp.
How to Prevent Weeds From Growing in Your Garden—for Good
I tried using fresh grass clippings once. It smelled like a college dorm room after a bad party. My wife banned me from the garden for a week.
The Secret Sauce (My Funny Anecdote)
Last summer, I was showing off my mulched tomatoes to my father-in-law, who is a master gardener. He looked at my setup—perfect red straw, neatly raked—and just nodded.
Then he walked over, dropped a handful of newspaper on the ground, and covered it with leaves. “Cheaper,” he grunted. My expensive organic straw suddenly felt like a designer handbag that does the same job as a grocery bag.
He was right. Newspaper works. The ink is non-toxic these days. It breaks down into carbon. Your tomatoes don’t care if it’s fancy or free—they just want comfort.
Now, I mix straw with old comic strips. It’s like your garden is reading the funny pages while it grows. Don’t judge my quirks.