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Symphytum asperum
Common Name: prickly comfrey
Type: Herbaceous perennial
Zone: 4 to 8
Height: 2.00 to 4.00 feet
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Symphytum 'Goldsmith'
Common Name: comfrey
Type: Herbaceous perennial
Zone: 4 to 8
Height: 0.75 to 1.00 feet
‘Goldsmith’ is generally rather restrained and can be easily controlled.
Synonym(s)
Symphytum 'Variegatum'
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Symphytum grandiflorum
Common Name: comfrey
Type: Herbaceous perennial
Zone: 5 to 8
Height: 1.00 to 1.50 feet
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Symphytum 'Hidcote Blue'
Common Name: comfrey
Type: Herbaceous perennial
Zone: 4 to 8
Height: 1.00 to 1.50 feet
‘Hidcote Blue’ spread aggressively by creeping rhizomes.
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Symphytum officinale
Common Name: comfrey
Type: Herbaceous perennial
Zone: 4 to 8
Height: 1.00 to 3.00 feet
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Symphytum × uplandicum
Common Name: comfrey
Type: Herbaceous perennial
Zone: 4 to 8
Height: 3.00 to 4.00 feet
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