> can anyone tell me if mashua will make it up here in the cold cold north
> (zone
> 4, -20 to -30F)? & can it be used as a perennial?
It's an Andean tuber; doesn't like too much heat, needs a slow, cool fall
for good tubering. The tubers don't survive too much below 30° F. depending
on mulch and duration. It is sold as an ornamental- basically a viny
nasturtium- great hummingbird guild plant.
-Rick