If you are growing your Gardenia as a potted plant indoors, keep it out of direct, hot sun, and allow it to only get bright light. I think that your 'black mold' is more than likely an algae growth, which is a cosmetic problem for your plant rather than a health problem.
Monona is a city in Dane County, Wisconsin, United States. The population was 7,533 at the 2010 census. It is completely surrounded by Madison and is part of the Madison Metropolitan Statistical Area.
Clark County, WI Veteran Memorials. 1  Greenwood Peace Memorial. 2  Greenwood, Wisconsin American Legion Memorial. 3  Highground Memorial Park; 4  High Ground. 5  High Ground's New Water System. 6  NewVeterans Memorial at Greenwood Cemetery, March, 2015. 7  Pine Hill Cemetery Veterans Memorial. 8  Pictures of the Owen Wisconsin Veterans Memorial.