Answer: Trumpet vine should be hardy in Denver so unless the soil got really soggy over the wintertime, your vines should grow this spring. Cut back the obviously dead stems to promote new growth. Sometimes trumpet vines won't bloom for 2-3 years after planting so I don't think that is of concern (disappointment, maybe, but not a plant health concern). If the roots made it through the winter you should see new growth a few weeks after pruning them back. Hope so!
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