Globe Flowers

Trollius
A genus of highly ornamental perennials that are part of the larger Buttercup ( Ranunculacaeae ) family.
Clumps can be divided during autumn. It can also be grown from seed sown in trays immediately upon ripening but they may take up to 2 years to germinate.

Trollius altaicus
A perennial, reaching up to 32 inches x 2 foot, that is native to swampy soils from eastern Europe to Altay Mountains in Siberia, western Mongolia and northwestern China.
The orangish-yellow, buttercup flowers, up to 2 inches across, are borne late spring to early summer.
Hardy zones 3 to 8 in full sun to partial shade on moist soil. Clay tolerant.

* photos of unknown internet source

* excellent photo links
http://www.fotomontaro.com/flora/ranuncula/trollius_altaicus.shtml
http://www.jelitto.com/Seed/Perennials/TROLLIUS-altaicus-Gram.html

Trollius asiaticus ( Asian Globeflower )
A perennial, reaching up to 32 inches x 2 foot, that is native to moist meadows/open woods in Siberia, central Asia, Mongolia and northwestern China.
The fine-toothed leaves are bronze-green.
The orangish-yellow, buttercup flowers, up to 2 inches across, are borne late spring to early summer.
Hardy zones 3 to 8 in full sun to partial shade on moist soil. Clay tolerant.

* photo of unknown internet source


Trollius chinensis ( Chinese Globeflower )
Also called Trollius ledebourii. A fast growing, clumping perennial, reaching up to 4 x 4 ( rarely over 3 ) feet, that is native to eastern Siberia and northern China.
The finely-toothed, deeply-lobed leaves, up to 8 x 4 inches in size, are bright green.
The golden-yellow, bowl-shaped flowers, up to 4 inches across, are borne during late spring to early summer.
Hardy zones 3 to 8 ( tolerating as low as -50 F on protected sites ) in full sun to partial shade on consistantly moist to wet soil. Propagation is from division or seed.

Golden Queen
Deep orangish-yellow flowers.

* photo taken by Milan Havlis, owner of central Europes premier plant nursery

Imperial Orange
Deep orangish-yellow flowers.

Trollius x cultorum
Also called Trollius x hybrida
A group of perennials, reaching a maximum size of 3.3 x 3.5 feet.
The leaves, up to 6 inches in length, are finely divided into 5 or 6 toothed leaflets. The foliage is deep green.
The yellow to orange flowers, up to 2.4 inches across, are borne during late spring to early summer.
Hardy zones 5 to 9 in full sun to partial shade on moist, well drained soil.
Plants can be sheared back during mid summer.

* photos of unknown internet source



Canary Yellow
Pale yellow flowers.

Cheddar
Creamy-white to pale yellow flowers.

Etna
A perennial, reaching a maximum height of 5 feet, with deep orange globe flowers.

* photo of unknown internet source


Fireglobe
Intense orange-yellow flowers.

Goldquelle
Deep yellow, very large flowers.

Lemon Queen
Vigorous, reaching up to 3 x 2 feet, with pale yellow, double flowers.

Orange Crest
Reaches up to 3 feet, with deep orange flowers.

Orange Princess
Reaches up to 3.4 feet, with orange-yellow flowers.
Exceptionally hardy, it thrives even in much of Alberta, Canada.

Salamander
Vigorous with deep orange flowers.

Trollius europaeus ( European Globeflower )
A perennia, reaching up to 3 x 3.5 feet, that is native from western Europe to Russia.
The leaves, up to 6 inches in length, are finely-diveded into 5 leaflets. The foliage is bright green.
The large, pale-yellow globe-flowers, up to 2 inches across, are borne during late spring.
Hardy zones 3 to 8, it thrives in harsh climates, even including Alberta, Canada.

Trollius laxus ( American Globeflower )

* photo of unknown internet source


Trollius pumilus ( Dwarf Globeflower )
A small perennial, reaching up to 1.5 x 1.5 ( rarely over 1 ) feet. A great plant for the rock garden, it can also be used for edging.
The showy, flat, golden-yellow flowers are borne all summer long.
Hardy zones 3 to 6 in full sun to partial shade on well drained soil, it thrives in harsh climates even including Alberta, Canada.

Trollius yunnanensis
An upright perennial, reaching a maximum size of 32 x 18 inches, that is native to southwestern China.
The leaves are up to 4 inches in length.
The single, bright yellow flowers, up to 2 inches across, are borne during early summer.
Hardy zones 5 to 8 in full sun to partial shade on fertile, moist, well drained soil.

Related Plants

Ranunculus

* photo taken on April 9 2012 in Columbia, MD

Ranunculus aconitifolius A perennial, reaching up to 2 x 1.5 feet, that is native to Europe. The toothed and lobed leaves are mid-green. The small white flowers are borne late spring into early summer. Flore Pleno Double flowers, otherwise similar.
Ranunculus repens Ranunculus acris
A very fast growing to rampant perennial, reaching up to 3.5 x 3 feet.
The yellow flowers are borne during late spring.
Hardy zones 3 to 7 in full sun to partial shade.

* USDA-NRCS PLANTS Database

Multiplex
Double yellow flowers, otherwise similar.

Ranunculus constantino Plenus
An impressive perennial, reaching a maximum size of 30 x 32 inches, that is native to southeastern Europe.
The very handsome, deeply-incised foliage, up to 15 inches tall, is very glossy green.
The double flowers are golden-yellow.
Hardy zones 4 to 9 in partial to full shade. Wet tolerant.

Ranunculus ficaria ( Lesser Celandine )
A very fast spreading perennial, reaching up to 1 foot in height.
Hardy zones 5 to 9. It is easy to propagate from seed and often doesnt need much help to do so.
The bright yellow flowers appear very early spring and often last for 1.5 months or more. The entire plant goes dormant soon after blooming, not appearing again until the following year. They are great to mix with perennials that are late emerging in spring.
Hardy zones 3 to 8 in full sun or deciduous shade. It requires moist soil while actively growing but is drought tolerant during the remainder of the year.

* USDA-NRCS PLANTS Database

Brazen Hussy
Foliage is purplish-black.
The pale yellow flowers contrast nicely.

Coppernob
Foliage is purplish-black.
The flowers are orange at first, turning to pale yellow then finally fading to white.

Primrose
Flowers open pale yellow then fade to creamy-white.

Randalls White
A single flowering white form.

Tortoiseshell
Foliage is handsomely marbled green, purple and gray.

Ranuncularis repens

Buttered Popcorn
A very fast growing, low, spreading perennial, reaching up to 1 x 10 feet in size.
It makes an excellent vigorous groundcover and is known to reach as much as 6 feet across in just 6 weeks. .
The striking, toothed foliage is variegated yellow in the center as well as on the broad margin.
Hardy zones 3b to 9 in full sun to partial shade, requiring consistently moist to wet soil.

Pleniflorus
A very fast spreading, mat-forming, groundcover perennial, reaching a maximum size of 1 x 10 feet. The stems root as they touch the ground.
It makes a great groundcover for wet swampy sites.
The foliage is glossy bright green.
The double, bright yellow, buttercup flowers are borne during summer.
Hardy zones 4 to 9 in full sun to partial shade on fertile, moist to wet soil.

Ranuncularis yakusimanus
A mat-forming perennial, with deep green foliage that is veined silver.
It makes a great rock garden plant.
The bright yellow flowers, up to 0.5 inches across, are borne atop stalks up to 3 feet high. The flowers are borne over a long season.
Hardy zones 3 to 7 in full sun to partial shade.