Ivy is only invasive in certain climates in the US. It is definitely
invasive in the coastal parts of the Pacific Northwest. It is less so where
I live (in the inland Northwest), and in fact I don't know anywhere it has
"invaded" the native forest in my city, because it's simply too dry to
support it without irrigation. I would say that Denver, being dryer, would
have even fewer problems with invasiveness. It WILL grow, and grow
vigorously, anywhere it receives irrigation, but you could keep it in check
by simply not giving it water at the margins. In other words, it will send
out runners, and they won't root, because the ground will be too dry.
"Carolyn LeCrone" wrote in message
...
English Ivy, though lovely and tenacious is on the non-native invasive
plant list. It is a parasite and will eventually kill trees if left to
its own devices. It damages the mortar on brick houses and spreads via
seeds that birds drop. I don't have any planted in my yard, but pull up
seedlings often.
Carolyn
"Popcorn Lover" wrote in message
news:1119638636.e5459ce9e5b159b53f7a228fb5c8dba1@t eranews...
I understand that ivy is great for preventing erosion and has very
deep roots. But will it hurt trees if it climbs them? Or will it
hurt buildings, like if it climbs the wall of a wood shed or house?

Can it be easily started from seeds? That would be the lowest cost
way to go.


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