A few of my leaves have different spots. Some look like they have been bleached. Some have black spots & a couple are yellow with some deterioration. Is this a disease that needs to be taken care of? Does my plant have more than one problem? I just planted it a few weeks ago. Two floweres budded and bloomed, but there are no more buds in sight. I am a terribly novice gardner and I just want my plants to not die.