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Shrub

Persian Shield

Strobilanthes dyerianus

Persian ShieldRoyal Purple PlantBurmuda Coneflower

A stunning tropical foliage plant renowned for its iridescent purple leaves with metallic sheen. Native to Myanmar, it's grown for dramatic ornamental foliage rather than its modest flowers.

Plant Family

Acanthaceae (Acanthus family)

Blooming

Fall to winter (October-December) in mild climates; flowers insignificant compared to foliage

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Persian Shield with iridescent purple foliage
Persian Shield with iridescent purple foliage

Symbolism & Meanings

Key Meanings

Exotic beauty
Royalty
Dramatic elegance
Tropical luxury
Bold expression

Perfect For

Tropical gardensFoliage displaysBold landscape statementsExotic themed events

Color Meanings

Purple:Royalty, luxury, and sophistication
Silver:Elegance and refinement

Similar flowers: red hot pokers and holmskioldia (chinese hat flower)s also share similar meanings.

Cultural Significance

Named after Sir William Turner Thiselton-Dyer, Director of the Royal Botanic Gardens at Kew (1885-1905). The iridescent purple foliage with silvery sheen resembles a Persian warrior's shield, hence the common name. Grown since Victorian times for ornamental purposes.
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Botanical Information

Physical Characteristics

Flower Size: 0.5-0.75 inches long (1-2 cm), funnel-shaped
Plant Size: 3-5 feet tall (1-1.5 meters), 2-3 feet wide (0.6-1 meter)
Flower Shape: Small, tubular, funnel-shaped with five lobes

Natural Habitat

Native to: Myanmar (Burma)
Habitat: Cultivated in gardens, containers; native to tropical forests of Myanmar
Climate: Tropical, Subtropical, Warm temperate (as annual)

Growing Guide

Sunlight

Bright indirect light to partial shade; full sun in northern areas, shade in hot southern climates

Water

Consistent moisture; water when top inch of soil dries; avoid waterlogged soil

Soil

Rich, Well-drained, Humus-rich, Slightly acidic to neutral (pH 5.5-7.5)

Expert Growing Tips

1

Plant after last frost when temperatures exceed 60°F (15°C)

2

Space plants 18-24 inches apart

3

Pinch back stems to encourage bushier growth

4

Thrives in hot, humid conditions

5

Fertilize every 2-3 weeks during growing season

6

Take cuttings in late summer to overwinter indoors

7

Color fades in low light or cool temperatures

Uses & Benefits

Ornamental Uses

  • Foliage accent in borders and beds
  • Container and patio plantings
  • Mass plantings for color impact
  • Tropical-themed gardens
  • Indoor houseplant in bright locations
  • Mixed container combinations

Traditional Uses

  • Not known for medicinal uses; primarily ornamental

Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.

Frequently Asked Questions about the Persian Shield

Is Persian Shield a perennial or annual?

Persian Shield is a tender perennial native to Myanmar, but it's grown as an annual in most climates. It's only hardy in zones 10-12 and must be overwintered indoors elsewhere.

Why is my Persian Shield losing its color?

Persian Shield loses its vibrant purple color in low light conditions, cool temperatures, or as the plant ages. Move it to brighter light and maintain warm temperatures above 60°F.

Does Persian Shield like sun or shade?

Persian Shield prefers bright indirect light or partial shade. In northern areas it can take full sun, but in hot southern climates it needs shade to prevent leaf scorch.

How do you propagate Persian Shield?

Persian Shield is easily propagated from stem cuttings. Take 4-6 inch cuttings in spring or summer and root them in water or moist potting mix.

Available Colors

Pale blue
Lilac
Light purple

Quick Facts

Type:shrub
Family:Acanthaceae (Acanthus family)
Native to:Myanmar (Burma)
Blooms:Fall to winter (October-December) in mild climates; flowers insignificant compared to foliage

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