Answer: Poor drainage can clog the vascular system of your echinacea and cause it to turn black; check to make sure you are not overwatering and that the soil drains quickly. If everything appears to be okay, you may be dealing with a fungal disease. Lots of sunshine and good air circulation all around your plants will help them avoid fungal diseses. Unopened flowers on Baby's Breath is normal. Some cultivars open their flowers fully and others do not. You might want to determine which cultivar you are growing.
Best wishes with your garden.
Q&A Library Searching Tips