Symphytum uplandicum (Comfrey)


Botanical Information

FamilyBoraginaceae
GenusSymphytum
Speciesuplandicum
CategoryPerennials

Details

USDA Hardiness Zone4 - 7
USDA Hardiness Ref.
Canadian Hardiness Zone2a - 6b
Canada Hardiness Ref.
RHS Hardiness ZoneH5 - H7
RHS Hardiness Ref.
Temperature (°C)-34 - (-15)
Temperature (°F)-30 - 5
Height60 - 120 cm
Spread60 - 90 cm
GrowthFast
Flowering PeriodMay, June

Description and Growing Information

Photographs