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) Email Click to share on Facebook (Opens in new window) Facebook Click to print (Opens in new window) Print Click to share on Pinterest (Opens in new window) Pinterest