Ageratum Light Requirements. A light Sumagic spray 2-5 ppm or B-9 2500-5000 have been shown to be effective on Ageratum. To -11 C 30 F USDA Zone 10b.
Moist well-drained soil Soil pH. For an early start to blooms of the ageratum flower start seeds indoors eight to 10 weeks before planting in the spring garden. To 17 C 35 F.
Growing Requirements for Floss Flower Plants The Floss Flower is an annual plant native to Mexico.
June through first frost Flower Color. Full sun part sun Bloom Period and Seasonal Color. Growth can also be controlled using Holding Temperature. Pest and Disease Management.