Horsenettle Posted on June 14, 2012 by Axie Reply Native. Can be up to 3 feet tall. After blooming will have round yellow fruit, like little tomatoes, but deadly to humans. Has spines along the stem. Nightshade family. Horsenettle (Solanum carolinense) Share this:Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on Pinterest (Opens in new window)