Answer: For deep shade and spring bloom on a tall plant you might like the old fashioned bleeding heart or Dicentra spectabilis. This plant goes dormant in midsummer, so you would want it in a spot where that is not a problem. For late season interest you might like Tricyrtis, some of the cultivars are fairly tall. I am a little concerned about growing the astilbe in deep shade -- if it is truly deep, they will not bloom very well. Good luck with your flowers!
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