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botanical name:
Inula helenium
Inula helenium © Deeproot Plant Base
common name:  Elecampagne, Alant, Elfwort, Elf Dock, Velvet dock, Scabwort, Yellow starwort, wild sunflower, Horseheal, Horse elder
synonyms:  Helenium grandiflorum, Aster officinalis, Aster helenium
family:  Asteraceae
characteristics: perennial
height: 2.00m
width: 0.75m
growth rate: fast
growth habit: erect
leaf colour: green
flower colour: yellow
stem/bark: green
main season: Summer
edible symbol edible
medicinal symbol medicinal
aspect: full sun, part shade
conditions: dry soil, moist soil, clay soil, sandy soil
preferred soil pH: any
minimum temp: -20°C
USDA zone: 6 to 9
Tough, erect, sparsely branched stems growing from thick, cylindrical, branching rhizomes. Large, oval, stalked basal leaves and alternate, stem-clasping stem leaves, finely toothed and softly hairy underneath. Large, bright yellow, dandelion-like flowerheads held singly or in small clusters on long stalks, in July and August.

Most soils in sun or part shade.

By seed or from root cuttings in spring or autumn.

The dried roots are used as a medicinal herb for the treatment of respiratory problems and also for skin diseases.
Can also be used as a culinary herb, to flavour sauces and deserts.
Attractive to insects.

other notes:
Native to south-eastern Europe and western Asia, naturalised elsewhere, including Britain, Ireland and parts of the USA. Often found on waste land, woods and rough pastures.
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