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botanical name:
Rudbeckia fulgida var. deamii
Rudbeckia fulgida var. deamii © Deeproot Plant Base
common name:  Black-eyed Susan
synonyms:  Rudbeckia deamii
family:  Asteraceae
characteristics: perennial
height: 0.60m
width: 0.45m
growth rate: medium
growth habit: erect
leaf colour: green
flower colour: golden
main season: Summer
aspect: full sun
conditions: dry soil, moist soil, clay soil
preferred soil pH: any
minimum temp: -29°C
USDA zone: 5 to 8
description:
Very hairy stems and rough, long-pointed, toothed leaves. Very free flowing with daisy-like orange-yellow flowers with long narrow petals and black-brown centres, from late summer into autumn.

cultivation:
Moderately fertile, moist, well drained soil in full sun.

other notes:
RHS AGM

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