Can you have a nice weed in the garden? Courtesy of one of the birds that have pasted through, I have this monster sized Datura, or moon flower. This is almost seven feet tall and just as wide. It has a dozen blooms that open in the evening. That’s where moon flower comes from. It has seed pods that are the size of limes but heavily spiked. The juice inside is poisonous. I told you it’s a monster.