Tuesday, June 8, 2010

Edgeworthia

This genus includes 2 species with heavy set woody shrubs with papery bark. The large, oval, pointed foliage is medium green and heavily felted when young.
They prefer fertile, light, moist, well drained soil in partial shade. They can be reproduced from seed, aerial layers and half hardened cuttings.

Edgeworthia chrysantha ( Paper Bush )
Native to southeastern & far eastern China ( naturalized in southern Japan ); this is a medium-sized, deciduous shrub or rarely a small tree; reaching up to 10 x 10 feet in 10 years. Some records include: 2nd year - 2.5 feet; 8 years - 7 feet.
The attractive, large, foliage is tropical looking and has a heavy midrib. The oblanceolate to oblong leaves are up to 10 x 2.3 inches in size. The foliage is deep blue-green, turning to yellow during autumn.
The flowers buds are fully developed by late autumn and open in late winter. The fragrant flowers are bright yellow aging to creamy white and are borne in rounded heads.
Small drupes follow the flowers.
The branching is heavy and coarse yet interesting.
Hardy zones 7 to 10 and possibly 6 on very protected sites including in the Philadelphia suburbs. It prefers protection from wind.

* photos taken on March 28 2010 @ U.S. National Arboretum, DC

* photos taken on Aug 25 2011 @ Scott Arboretum, Swarthmore College, PA



* photos taken on Mar 8 2013 @ Brookside Gardens, Wheaton, MD

* photos taken @ U.S. Botanical Garden, Wash., DC on Aug 25 2014

* photos taken on Oct 21 2014 @ Smithsonian Inst., Washington, DC

* photos taken on Oct 13 2016 in Annapolis, MD

* photo taken on Oct 21 2016 in Annapolis, MD

* photo taken on Nov 19 2016 @ London Town Gardens, Edgewater, MD

* photos taken on Mar 18 2017 @ Brookside Gardens, Wheaton, MD

* photo taken on Apr 2 2017 in Annapolis, MD

* photos taken on May 17 2017 in Annapolis, MD

* photo taken on May 27 2017 @ Meadowlark Botanical Gardens, Vienna, VA

* photos taken on Aug 5 2017 @ Brookside Gardens, Wheaton, MD


'Bhutan Gold'
Reaches up to 10 feet.

'Gold Rush'
Larger than average flowers; otherwise identical.

* photos taken on March 28 2010 @ U.S. National Arboretum, DC


* photo taken on 4th of July 2010 @ U.S. National Arboretum, D.C.

* photos taken on October 17 2010 @ U.S. National Arboretum, D.C.


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

* photos taken on Feb 8 2014 @ U.S. National Arboretum, DC

* photos taken on Aug 13 2017 in Columbia, MD


'Red Dragon'
Red flowers

'Snow Cream'
Averaging double the growth rate of other clones, reaching up to 10 x 8 feet but otherwise similar in appearance.
Hardy north to zone 7. Originating at Plant Delights.

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