I purchased my Korea japonica Plentiflora last year. I was delighted with it because it bloomed through November here in northeastern Oklahoma. My question is regarding pruning it. It had a beautiful spring bloom and then a lot of new growth. I want to encourage the second bloom, but I don't know if it wouof be on the new growth or the old growth. I don't want to remove the old growth at this time if I have any chance of having late summer/fall blooming. Does anyone have any experience in this?
Also, I have many friends who would like to get this shrub; it has very limited availability here and is quite expensive. I read that you can just brutally cut the roof in half and it will not damage the existing plant. Has anyone done this? At what time of the year should be done? Thanks so much for any information.