Lobelia From Seed To Flower. 01032015 as soon as enough seeds through uncover and grow on watering immediately soon as they appear dry. It is nice to be able to pull apart clumps of Lobelia for later transplanting.
DONT however leave them to dry for very long. Be sure to sow seeds on top of the soil and leave uncovered so that they can germinate properly. But the flower loves moisture so the soil should hold it well.
In the South it is best to grow it in partial shade.
09102018 How to Save Cardinal Flower. Spread the seed evenly over a tray filled with a starting mix. Great blue lobelia Lobelia siphilitica also called blue cardinal flower is another native perennial wildflower that bears long-lasting bright blue flowers. 01032015 as soon as enough seeds through uncover and grow on watering immediately soon as they appear dry.