I've had my single-flowered Kerria for about ten years. I admired a mature one, and was gifted a yanked-up clump to take home. Branches are thin, green and smooth, mostly in an upright spray, a lot of stems from the ground rather than having a lot of side branching. Mine does put out suckers. It is growing nicely in shade under trees, guessing it might sucker more aggressively with no root competition. It is 4-5 feet tall and wide, blooms dependably.

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I love the very open, airy structure of this shrub! Mine was started from a tall, rooted shoot from a friend. For several years, it just continued as a couple of gangly branches, then suddenly it became this arching shrub, dripping with blooms like golden pompoms. I noticed that a couple of its shoots had sprung up a foot or so away from the main plant, so I dug down with a sharp little shovel and separated the shoot -- basically a single stem with a few roots at its base. I potted up the rooted shoots so they could get decent rootballs before being passed along, and they seem to be doing well. I also potted up several cuttings without roots, taken just as the plant was starting to leaf out, and I think some of them may "take" also.

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