Persian Shield Plant Care

Strobilanthes dyeriana Mast.

Strobilanthes dyeriana, the Persian shield or royal purple plant, is a species of flowering plant in the acanthus family Acanthaceae, native to Myanmar.

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Water

Every 7–10 days

Light

Bright indirect light

Temp

65–80°F

Humidity

50–70%

What Is the Persian Shield?

Persian Shield (Strobilanthes dyeriana) belongs to the Acanthaceae family within the Strobilanthes genus. Persian Shield is native to Myanmar.

Persian Shield displays an upright, bushy shrub growth habit, reaching up to 3 inches tall with a spread of approximately 2 inches. Persian Shield produces tubular flowers in shades of blue, purple, or white.

Leaf size: approximately 6 inches.

How Often Should You Water a Persian Shield?

Strobilanthes dyeriana requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–10 days

Let soil partially dry between waterings

What Light Does the Persian Shield Need?

Persian Shield thrives in bright indirect light light conditions. The optimal light range is 200–500 lux. Avoid placing Persian Shield in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

200–500 lux

What Temperature and Humidity Does the Persian Shield Prefer?

Strobilanthes dyeriana grows best at temperatures between 65°F and 80°F. Persian Shield prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

50–70%

What Soil Mix Works Best for a Persian Shield?

Well-draining, fertile soil with added organic matter. Good drainage is essential for Persian Shield to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Persian Shield?

Repot every 1-2 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Persian Shield?

Persian Shield can be propagated through stem cuttings, division.

Fertilizing

Every 4 months

During the growing season

Is the Persian Shield Toxic to Pets and Children?

Non-Toxic

Non-toxic to humans and pets

What Pests and Diseases Affect the Persian Shield?

Persian Shield is susceptible to aphids, spider mites, whiteflies. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

What USDA Hardiness Zone Does the Persian Shield Need?

Persian Shield grows outdoors in USDA Zone 13b. Native to Myanmar, Persian Shield is adapted to warm climates. In cooler regions, grow Persian Shield as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Persian Shield is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Strobilanthes genus — compare its care with other Strobilanthes species on PlantoScan.

Persian Shield thrives in bright light and direct sun — see other bright-light plants.

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