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Gardening Answers Knowledgebase

Plant Answer Line Question

Keywords: Ranunculus, Invasive plants

Can you tell me the spread of Ranunculus ficaria 'Green Petal'?

Answer:

The Royal Horticultural Society's A-Z Encyclopedia of Garden Plants (ed. Christopher Brickell; DK Publishing, 1996) indicates that Ranunculus ficaria (now known as Ficaria verna) spreads a foot or more, but the following information, from a local gardener (Paghat) who grows several cultivars of this plant, suggests that "more" may be quite a bit more. Excerpt: Due to their being potentially invasive, we placed them where it would not matter, but might even be rather nice, if they spread a great deal.

The species is considered invasive, as these sites indicate:

From the Plant Conservation Alliance's "Least Wanted" list

From the USDA site.

It is possible the cultivar is less invasive than the species, but I would certainly keep an eye on it.

Date 2016-12-30
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August 01 2017 12:36:01