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Fronds arise from the rhizome.
Dennstaedtia punctiloba is a beautiful fern and a real thug. It spreads rapidly in suitable conditions by means of rhizomes that are just below the soil surface. It is not all that hard to pull them out if you don t want them, but if you don t get all of the rhizome, they will soon be back. Hay-scented fern is native to eastern North America and is rated hardy to USDA zone 3. This is one of the ferns that lives in our woods and just invited itself into my borders.