25 June 2006. http://xrl.us/np5j Four O'clock Pictures. These plants get so heavily laden that they need support or they fall over. I started these two plants in March indoors to extend the season, but they also grow quickly from seed when planted outdoors when it warms up. They tolerate no frost. Bugs seem to dislike them. Mirabilis multiflora plant information. http://www.desertusa.com/mag00/feb/papr/4oclock.html Durgan.