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botanical name:
Xanthorhiza simplicissima
Xanthorhiza simplicissima © Deeproot Plant Base
common name:  Yellowroot
synonyms:  Xanthorhiza apiifolia
family:  Ranunculaceae
characteristics: shrub, ground-cover
height: 0.60m
width: 1.50m
growth rate:
growth habit:
leaf colour: green
flower colour: purple
main season: Autumn
aspect: part shade, shade
conditions: moist soil
preferred soil pH: any
minimum temp: -18°C
USDA zone: 7 to 9
description:
Thicket forming, suckering shrub with erect shoots. Bright green, deeply lobed and irregularly toothed pinnate leaves which are bronzy when young and turn red-purple in autumn. Brown-purple flowers in pendant racemes in spring as the leaves emerge.

cultivation:
Moist but not waterlogged soil in full or partial shade.

propagation:
By division in spring or autumn, or by seed.

usage:
Ground cover for shady woodland gardens. Strong autumn colour.

other notes:
Found in moist woodlands and stream banks in the Eastern USA.

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