Will dicentra King of Hearts show new growth in fall? Some of them look healthy; some look dead.
See photo please. 2 in foreground have greenery. 1 in background near sticker and red arrow has lost all its leaves.
Certified GKH Gardening Expert
If this area gets full sun, then this is likely the cause. These will prefer shade and consistently moist soil. This article will help you to care for these: https://www.gardeningknowhow.com/ornamental/flowers/bleeding-heart/bleeding-heart-care.htm