Eggshells Published April 25, 2013 at × in Grow Great Tomatoes in the NW ← Previous Next → Amend your soil with eggshells, they’re a great source of calcium. Spread the word:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)Like this:Like Loading...