A reader learns why their tomatoes are turning black on the bottom. Grumpy’s tip about reusing potting soil for growing vegetables.

You can find us online at southernliving.com/askgrumpy

Ask Grumpy Credits:

Steve Bender aka The Grumpy Gardener - Host

Nellah McGough - Co-Host

Krissy Tiglias - GM, Southern Living

Lottie Leymarie - Executive Producer

Michael Onufrak - Audio Engineer/Producer

Isaac Nunn - Recording Tech

Jennifer Del Sole - Director of Audio Growth Strategy & Operations

Learn more about your ad choices. Visit megaphone.fm/adchoices