Friday, January 21, 2011

Hay Scented Fern


Dennstaedtia punctilobula ( Hay Scented Fern )
A beautiful, rhizomatous, fast spreading deciduous Fern, reaching up to 3 x 8 feet, that is native to open woods and sandy meadows in eastern North America ( from southeast Missouri to southern Wisconsin to Jackson, Michigan to Lions Head, Ontario to Haliburton, Ontario to southern Quebec to Newfoundland; south to Arkansas to northern Georgia to North Carolina ). It is critically endangered in Michigan with a single population in Jackson County. It is also endangered in Wisconsin, Indiana, Illinois, Missouri and Arkansas.
The thin textured, hairy fronds, up to 52 x 12 ( rarely over 36 ) inches, are oblong in outline and bright green, turning to yellow in autumn.
It can spread invasively but is also an excellent groundcover when used over large areas such as a woodland understory.
Hardy zones 2 to 8, in partial to full shade on moist, acidic soil. Tolerates sun.
Deer resistant.

* photo taken on May 8 2010 @ U.S. National Arboretum, D.C.

* photos taken on May 16 2013 in Columbia, MD
* photo taken on May 19 2013 in Columbia, MD
* photos taken on Aug 3 2014 @ National Zoo, Washington, DC

* photos taken on on Aug 26 2014 in Towson, MD

* photos taken on May 30 2015 in Columbia, MD

* photo taken on Aug 13 2016 in Reisterstown, MD

* photo taken on Aug 20 2016 in Olney, MD

* photo taken on Sep 25 2016 near Reisterstown, MD

Dennstaedtia hirsuta ( Asian Hay Scented Fern )
Very similar to D. punctilobula, except that it is native to eastern Asia rather than North America.
Exact hardiness is unknown however it is likely to thrive in most temperate climate regions.

* photo taken on May 8 2010 @ U.S. National Arboretum, D.C.

* photos taken on June 23 2013 @ U.S. National Arboretum, DC

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