Weylin's D. multifida 'Extrema' crown is mostly black; roots firm, some with white centers. He took root cuttings. Asks if original plant can recover and how to tell if cuttings work.
Crown is likely dead. Don't expect the original plant to recover. Discard roots without white centers. Cut firm white-centered roots into 1–2" sections, lay on peat, spray fungicide, cover, under lights. Each yields 2–3 plantlets in 3–4 weeks. Pot up at 2" tall; harden off before removing cover. Volume #2 DVD details this.
When D. multifida crown dies, propagate from firm white-centered root cuttings. Discard the mother plant; each root section yields multiple plantlets in weeks.
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