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botanical name:
Strobilanthes dyeriana
Strobilanthes dyeriana © Deeproot Plant Base    view larger image
common name:  Persian Shield
synonyms:  Strobilanthes dyerianus
family:  Acanthaceae
characteristics: perennial, evergreen
height: 1.20m
width: 0.90m
growth rate: medium
growth habit: bushy
leaf colour: purple & green
flower colour: violet
main season: Summer
aspect: full sun, part shade
conditions: moist soil, sandy soil
preferred soil pH: any
minimum temp: -1°C
USDA zone: 9 to 11
description:
Very showy tender foliage plant. Subshrubby habit with square sectioned stems and glossy, metallic irridescent, green and purple leaves, all purple on the undersides. Short spikes of small funnel-shaped, pale violet flowers. Evergreen unless subjected to low temperatues, which may kill top-growth.

cultivation:
Needs good light and warm humid conditions. Best in light part-shade, avoiding strong mid-day sun. Consistantly moist, fertile compost. Not frost hardy, although well established rootstocks may re-sprout. Best kept above 7°C.

Pinch out shoots to encourage bushy growth.

propagation:
From stem cuttings or seed

usage:
Conservatory plant, summer bedding, tropical and sub-tropical gardens.

other notes:
Native to Myanmar (Burma)

RHS AGM
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