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botanical name:
Symphytum x uplandicum
Symphytum x uplandicum © Deeproot Plant Base
common name:  Russian Comfrey
synonyms:  Symphytum x uplandica, Symphytum peregrinum
family:  Boraginaceae
characteristics: perennial, ground-cover
height: 1.00m
width: 0.60m
growth rate: fast
growth habit:
leaf colour: grey-green
flower colour: mauve
stem/bark: green
main season: Spring
medicinal symbol medicinal
aspect: full sun, part shade, shade
conditions: moist soil, clay soil, sandy soil
preferred soil pH: any
minimum temp: -29°C
USDA zone: 5 to 9
description:
Upright stems bear large felty greyish green leaves. Mauve-purple or blue flowers in late spring and early summer, opening from reddish buds.

cultivation:
Grows best in moist, reasonably fertile soil in partial shade or full sun if not too dry. Adaptable to most soils and a range of conditions.
Can become invasive, though this hybrid does not set viable seed.

propagation:
By root cuttings or division, usually very easy.

usage:
Woodland and shady wildflower gardens. Herb gardens.

The leaves are rich in potassium and can be used as an organic fertiliser.
Has various medicinal uses.

other notes:
Naturally-occurring hybrid of Symphytum officinale x Symphytum asperum.
Naturalised wildflower of wasteground, where escaped from cultivation .

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