Gunnera manicata

DampGardenMan

This is the big Gunnera. I have a very wet area alonside a stream. Buttercups thrive there, but little else (at the moment). Architecturally a big Gunnera would work well in this spot. But ... I read that the Irish class this plant as "invasive not-native" and while not banning it outright do seem to discourage using it.

Has anybody grown G. manicata? Did it spread? I'm slightly worried that it might chuck seeds into the stream which might then spring up elsewhere in the area. Are there any sterile versions?

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DampGardenMan

Freddies Dad said:

There are several Gunnera species and Gunnera Manicata is not invasive. Gunnera magellanica is the invasive plant in very wet and mild places. They also massively differ in size.

I already have the small, carpetting, G. magellanica, closer to the stream, hoping for a bit of bank stabilisation. I'd better keep an eye on it!, though they're looking pretty sorry for themselves at the moment.

Pleased to hear that G. manicata is not invasive.