Dicentra Seeds - Bleeding Heart2nd Year Maturity. Bleeding Heart dicentra seeds grow cool hardy perennials that thrive in a variety of shaded temperate climates. Bleeding Heart dicentra seeds promise well branched 24 36 tall bushy uprights draped in delicate pink and white heart shaped blooms. Bleeding Heart seeds are an ideal grow indoors for adding accents and excitement to any bedroom, living room, or office. Bleeding Heart is easy to grow from seed and will deliver year round