Asked on Jun 29, 2013
A neighbor bought me an astilbe chinensis "Purple Candles." I need to
get this into the ground today because the leaves are beginning to look a bit dried out. It's been on my deck for nearly a week. I just gave it a huge drink of water, hoping to help it out. I read online about this plant, but can't find just how to plant it. The plastic thingie that came in the pot with it doesn't say how to do it. I read that one variety should be planted in humus rich soil. I have some potting soil, some perlite, some sphagnum peat moss. Can I use any/all of these to make something suitable? And how deep do I plant it? Descriptions of planting another variety of astilbe said plant the crown of the plant about 2 inches underground. How quickly do these spread? I need to know how much room to leave around it. Online posts said to plant 36-42 inches apart, so I guess that allows for spreading?