Thursday, February 2, 2012

Geum

Geum

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


Geum chiloense ( Chilean Avens )
An evergreen groundcover perennial, reaching up to 2.5 x 3 ( rarely over 2 x 2 ) feet, that is native to the region of Conception and Chiloe Island in Chile.
The pinnately-lobed leaves, up to 12 ( rarely over 8 ) inches in length, form a basal rosette. The foliage is rich mid-green.
The bright red, bowl-shaped flowers, up to 2 inches across, are borne during late spring, often repeating during summer if deadheaded.
Hardy zones 4 to 7 in full sun to partial shade on just about any fertile, well drained soil. Propagation is from division during autumn/early spring or seed.

'Blazing Sunset'
Reaches up to 2 feet, with intense orange-red, double flowers. The flowers appear late spring through much of the summer if deadheaded. They are larger than most other cultivars.

* photo taken on May 5 2017 in Elkridge, MD


'Borisii'
Reaches a maximum size of 2 x 2 ( rarely over 1.5 ) feet, with abundant, bright orange-red, semi-double flowers, up to 2 inches across, borne during late spring into early summer.

* photos taken on May 3 2012 in Columbia, MD
* photos taken on June 14 2012 in Columbia, MD
* photos taken on Apr 23 2017 @ Brookside Gardens, Wheaton, MD


'Dolly North'
Reaches up to 2 x 2 feet, with orangish-yellow, double flowers. It is also among the most hardy and longer lived cultivars.

'Farncombe'
Semi-double, orange-yellow flowers.

'Fire Opal'
Reaches up to 2.5 feet with orange-red, semi-double flowers up to 3.2 inches across.

'Fire Storm'
Intense orange flowers.

* photos taken on Apr 23 2017 @ Brookside Gardens, Wheaton, MD


'Lady Stratheden'
Reaches up to 2.5 x 2 feet, with double, bright yellow flowers.

'Mrs. J. Bradshaw'
Reaches up to 2.5 x 2 feet, with semi-double, scarlet-red flowers.

* photos taken on June 12 2013 in Columbia, MD

* photo taken by Milan Havlis, owner of central Europe's premier plant nursery


'Totally Tangerine'
Reaches up to 3.3 x 2 feet in size, with very abundant, large, bright orange, semi-double flowers from early summer to early autumn. It does not produce seed.
The foliage clump is up to 16 inches in height.

Geum coccineum ( Scarlet Avens )
A compact, clumping, semi-evergreen perennial, reaching only 1.7 x 1.4 feet in size, that is native to the Balkan Mountains in southeastern Europe. It looks best used in mass plantings rather than singly.
The deeply-veined, lightly-toothed, rounded leaves, up to 2 inches wide, are hairy, mid-green.
The intense orange-red flowers, up to 0.7 inches wide, are borne early summer until early autumn.
Hardy zones 4 to 8 in full sun to partial shade on just about any moist, fertile, humus-rich, well drained soil.

* excellent photo link found on internet
http://plants.nature4stock.com/?page_id=3183

'Red Wings'
Reaches up to 2 feet, with semi-double, scarlet-red flowers.

* photos taken on Apr 23 2017 @ Brookside Gardens, Wheaton, MD


Geum montanum
A creeping, rhizomatous perennial, reaching up to 16 x 20 ( rarely over 12 ) inches, that is native a widespread native of high mountain meadows from central to southern Europe. It does not form above ground runners.
The pinnate rosette leaves, up to 6 inches in length, are bright green. The terminal leaflets is usually larger than the other leaflets, unlike closely related Geum reptans.
The bright golden-yellow flowers, up to 1.5 inches across, are borne in small heads from mid spring into early summer.
Hardy zones 4 to 8

Geum reptans ( Creeping Avens )
A perennial, reaching up to 9 inches x 2 feet, that is native to high mountains in Europe. It spreads by aerial stolons that may reach as much as 32 inches in length.
The bright yellow ( to rarely orange ) flowers, up to 1.6 inches across, are borne during late spring into early summer.
Hardy zones 4 to 8 in full sun to partial shade on moist, sandy, well drained soil.

Geum rivale ( Purple Avens )
A clumping, rhizomatous perennial, reaching a maximum size of 3.3 x 2.5 ( rarely over 2 ) feet, that is native to most of Europe, northern Asia and North America ( from Smithers, British Columbia to Northwest Territories to far northern Ontario to Labrador & Greenland; south to Washington State to Wyoming to Wisconsin to southern Michigan to Pennsylvania ). In the Windsor/Essex County, Ontario region; it was locally common around Windsor during the 1800s. It is found in swampy woods in the wild.
The pinnate leaves, up to 12 inches in length, are composed of 7 to 13 toothed leaflets. The hairy foliage is deep green.
The nodding, pink ( with purple sepals ), bell-shaped flowers are borne late spring into early summer.
Hardy zones 2 to 7 in full sun to partial shade, thriving on wet soils ( often found in marshland in the wild ). It does not enjoy hot summers. Propagation is from division during autumn/early spring or seed.



* photo taken on May 27 2017 @ Meadowlark Botanical Gardens, Vienna, VA
* USDA-NRCS PLANTS Database

* photo taken on Feb 8 2015 @ U.S. National Arboretum, DC


'Album'
White flowers, otherwise identical.

'Leonardii'
Pale orange-red flowers.

Geum rossii ( Ross's Aven )
A rapid stoloniferous spreading perennial, reaching up to 1 x 1 feet, that is native from northern Alaska to Greenland and also south of the Arctic in the High Rockies ( south to eastern Oregon to northeast Nevada to far northern Arizona & New Mexico ).
The dissected, basal leaves, up to 4 inches in length, are green.
The yellow, bowl-shaped flowers, up to 1.6 inches across, are borne during late spring into early summer.
Hardy zones 2 to 5 in full sun to partial shade on moist, cool, well drained soil. It does not enjoy hot summers.

Geum triflorum ( Prairie Smoke )
A slow rhizome spreading perennial, reaching up to 16 x 18 inches, that is native to prairies and dry woodlands of central North America ( from the southwestern Yukon to south-central Northwest Territories to The Pas, Manitoba to Kenora, Ontario to Manitoulin Island, Ontario to Belleville, Ontario; south to Montana to Nebraska to Illinois to New York State and also much further south in the high Rockies ).
The ferny leaves, up to 8 inches in length, are downy gray-green. The foliage turns to deep red during autumn.
The rosy-red, nodding flowers are borne during late spring.
They are followed by smoky silvery-pink seed plumes up to 2 inches long, during early summer.
Hardy zones 1 to 6 in full sun to partial shade on just about any moist, well drained soil. Tolerant of drought, extreme heat and sand. Deer resistant. Propagation is from seed or division. The seed should be planted out immediately in a cold frame though it will not emerge until the following spring or stored in a refrigerator over the winter.

* photos taken by Sheri Hagwood @ USDA-NRCS PLANTS Database


Geum urbanum
A perennial that is native to upland deciduous forests in Europe. It has naturalized locally in eastern North America to as far north as Wiarton, Ontario.

* photo of unknown internet source

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