I love bleeding hearts, too -- I have the old-fashioned type and have had the same experience with trying to transplant, roots are very brittle but I'm not sure it's possible to kill these plants, just stick whatever you have back in the ground and they will grow! I get tons of seedlings each year as well, and from my original pink plant I now have both pink and white-flowered bleeding hearts. The seed pods form where each flower is, so don't be too diligent about dead-heading ! (Never a problem for me
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