Answer: Dicentra (Bleeding Heart) is root hardy in USDA zones 3-9. You're in zone 8, so your plants should be quite happy left in the ground. Expect the tops to die back, if they haven't already. After they wither and yellow, cut them off at ground level. Then place a layer of mulch material over the soil. You can use fallen leaves, pine boughs, or even compost as mulch material. In the early spring remove the mulch and new sprouts will appear from the crowns of your plants.
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