Symphytum asperum

Symphytum asperum subsp. var.

Prickly comfrey

Habit:		herbaceous
Height:	⇕	to
Width:	⇔	to
	4ft5ft	5ft7ft
Height:	⇕	4 ft to 5 ft
Width:	⇔	5 ft to 7 ft
Lifespan:	⌛
Origin:	✈
Poisonous:	☠
Bloom:	❀	early summer, mid summer, late summer

Exposure:	☼	sun
Water:	◍
Features:	✓	flowers
Hidden fields, interally pass variables to right place
Minimum Temp:	☃	°Fwarning.png"°F" is not a number.
USDA Zones:		5 to 10
Sunset Zones:
Flower features:	❀	red, pink

asperum

var.

,

Symphytum asperum is a flowering plant of the genus Symphytum in the family Boraginaceae.

Common names: Rough Comfrey, Prickly Comfrey.

Standard Cyclopedia of Horticulture
Symphytum asperum, Lepech. (S. asperrimum, Donn). Prickle Comfrey. Perennial, 2 1/2 - 5 ft. or even more high: root thick: st. branched, uncinate: lvs. hispid or prickly on both surfaces, ovate or elliptical, acuminate; lower petioled base cordate or rotundate upper subpetioled, base cuneate: fls. at first rose then blue, smaller than those of S. officinale. Russia, Caucasus, Persia. B.M. 929.—Has some forage value. There are horticultural forms with yellow-variegated or -margined lvs. known as S. asperrimum aureo-variegatum, and S. asperrimum var. variegatum. ^CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

Cultivation

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