Name: Anne Summerville, SC (Zone 8a) Only dead fish go with the flow!
Some throw out roots if you just show them dirt like Lady Margaret .. others can sit there for months and pout - it's usually those with hollow stems at maturity that give you problems. I don't use rooting hormone and have about a 75% success rate. My motto is ... Success with numbers! .. when it comes to rooting passies.
Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so.
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