🌏 Habitat and Ecology
​Strobilanthes auriculata var. dyeriana, popularly known across the globe as the Persian Shield, is a stunning evergreen tropical shrub native to the warm, humid, and shaded riverbanks and forest understories of Myanmar (Burma).
​It thrives in moist, organic-rich lowland tropical forest ecosystems. It is perfectly adapted to dappled canopy shade and consistent warmth, using its highly reflective, metallic foliage to maximize light absorption under dense forest canopies.
​🌿 Description and Distinguishing Features
​This is one of the most celebrated foliage plants in horticulture, widely grown for its unparalleled, metallic purple coloration that looks almost artificial.
​Habit: It grows as a bushy, soft-wooded, erect shrub that can reach 1 to 1.2 metres in height in optimal conditions, though it is easily kept more compact through pinching.
​Foliage: The leaves are the main attraction. They are oppositely arranged, elliptic-lanceolate, and measure up to 15–20 cm long. The leaf surface is deeply textured with a quilted, puckered appearance. The coloration is extraordinary: a brilliant, shimmering metallic violet-purple dominates the center of the leaf shield, bordered by a deep, contrasting olive-green margin and highlighted by dark green veins. The underside of the leaf is a solid, rich purple.
​Flowers: In late autumn or winter, if conditions are favorable, it can produce short spikes of small, pale violet, funnel-shaped flowers. However, the blooms are secondary to the spectacular foliage and are often pinched out to maintain the plant's bushy shape.
​🔬 Taxonomy and Ethnobotany
​Taxonomy
​According to Kew Plants of the World Online (POWO), the accepted scientific name is Strobilanthes auriculata var. dyeriana (Mast.) J.R.I.Wood. It belongs to the acanthus family, Acanthaceae. It was previously recognized under the species synonym Strobilanthes dyeriana Mast., a name that remains highly prevalent in the horticultural and retail trade. The variety name honors Sir William Turner Thiselton-Dyer, a prominent 19th-century British botanist and director of the Royal Botanic Gardens, Kew.
​Ethnobotany
​There are no major traditional medicinal or culinary uses recorded for this variety. It is cultivated purely as a high-impact, premium ornamental foliage subject. Its striking color contrast makes it an essential tool for landscape designers looking to add dramatic, non-green depth to tropical borders, green walls, or mixed indoor conservatory displays.
​💧 Cultivation and Care
​Because it is a native understory dweller from the hot, humid regions of Myanmar, the Persian Shield requires constant moisture, high humidity, and protection from intense sun to prevent its metallic colors from fading.
​Light: Requires bright, filtered indirect light or partial shade. While it needs good light to develop its intense purple pigment, direct, harsh midday sun will quickly scorch the foliage and wash out the vibrant metallic sheen into a dull, pale silver-gray.
​Substrate & Soil: Thrives in a rich, loose, and highly organic soil mix. A premium blend of peat moss or coco coir, well-rotted leaf mold, and coarse perlite ensures a moist but free-draining environment that mimics a forest floor.
​Temperature: It is a tender tropical species that loves heat and cannot tolerate frost.
​Daytime Range: 20–28°C (68–82°F).
​Nighttime Range: 16–21°C (61–70°F). Growth slows significantly if temperatures drop below 15°C (59°F), and it should be kept strictly indoors or in a heated greenhouse during UK winters.
​Watering & Humidity: High humidity (60% to 80%+) is essential to prevent dry, crispy brown leaf margins. Keep the soil consistently and evenly moist throughout the active growing season. While it resents waterlogged, anaerobic conditions, it is highly sensitive to drying out; if the soil becomes bone-dry, the soft stems will rapidly collapse and wilt. Water with soft rainwater or tepid tap water.
​🏷️ Specifications
​Plant Size: (user input)
Plant Family: Acanthaceae
Plant Passport: A Strobilanthes auriculata dyeriana B 140084 C use the number written on the plant label D GB