Anyone who has grown Angel Trumpets for more than a season understands how environmental conditions can have a major influence on a bloom's appearance.  Brugmansia Angel's Golden Dreams is a great example of this.  Here's a photo of what the typical color of AGD blooms look like during our warm growing season.Now that the temps have cooled off during the day and night, the blooms have turned a nice yellow/orange color.  This color deepened even more when the nighttime temperature dropped ...