How to Care for Persian Shield Plant (Strobilanthes dyerianus) Indoors

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Persian Shield Plant, Strobilanthes dyerianus

Photo Credit: Grow Joy

Botanical name: Strobilanthes dyerianus
Family: Acanthaceae
Common names: Persian Shield Plant, Royal Purple Plant, Bermuda Conehead

Persian Shield Plant Description

Persian Shield Plant (Strobilanthes dyerianus) also called Royal Purple Plant or Bermuda Conehead is an erect evergreen shrub which bears finely-toothed dark-green foliage with bright, metallic-purple stripes radiating outward from the central leaf vein.

This appearance of Persian Shield Plant declines with age as the old plants are straggly, the color fades and the foliage becomes silvery with dark veins.

At this stage discard the Persian Shield Plant and replace with new plants propagated from stem-tips cuttings.

The common name, 'Persian Shield', is in reference to the leaves which resemble feudal battle shields.

Persian Shield Plant Origin

Persian Shield Plant (Strobilanthes dyerianus) is native to Myanmar. The species name "dyerianus" is in honour to the English botanist Sir William Turner Thiselton-Dyer (1843-1928).

Buy beautiful and healthy Persian Shield Plants (Strobilanthes dyerianus) from Etsy.

Persian Shield Plant, Strobilanthes dyerianus

Photo Credit: Trees.com

Persian Shield Plant (Strobilanthes dyerianus) Care Indoors

Persian Shield Plant Light Requirements

Persian Shield Plant (Strobilanthes dyerianus) grows best in bright, indirect light inorder to maintain the leaf color.

Keep your Persian Shield Plant away from direct sunshine as it can lead to scorching of the leaves.

Inadequate light for your Persian Shield Plant will lead to a thin and leggy plant. Check out this guide on understanding light for houseplants.

How to Water Persian Shield Plant

Water Persian Shield Plant (Strobilanthes dyerianus) thoroughly during the growing season and allow the top 1-2 in. of soil to dry out between waterings.

Reduce watering during the cold season to keep the soil slightly moist as growth is minimal at this time. Read more on how to water houseplants.

Ensure the pot has a drainage hole to prevent the soil from getting soggy as it can lead in root-rot risease and eventual death of your plant.


Temperature for Persian Shield Plant

Average warmth with a minimum 100C is ideal for Persian Shield Plant (Strobilanthes dyerianus).

Protect your Persian Shield Plant from cold draughts to prevent sudden changes in temperature. Read more on understanding temperature for houseplants.

Humidity for Persian Shield Plant

Persian Shield Plant (Strobilanthes dyerianus) thrives in high humidity conditions. Set the pot on a wet pebble tray to raise humidity. Read more on how to raise humidity for houseplants.

Clean the leaves by damp-wiping with a soft cloth to keep them clean and neat. Read more on how to clean houseplants.

Fertilizer (Feeding) for Persian Shield Plant

Feed Persian Shield Plant (Strobilanthes dyerianus) with a balanced, water-soluble fertilizer every 2 weeks during the growing period.

Withhold feeding during the cold season as growth is minimal and feeding at this time may lead to fertilizer burn. Read more on how to feed houseplants.

How to Repot Persian Shield Plant

Repot young Persian Shield Plant (Strobilanthes dyerianus) annually at the beginning of the growing season. Use a rich, free-draining soil and a pot one size larger.

Ensure the pot has a drainage hole to prevent the soil from getting soggy as it can lead to root-rot disease and eventual death of your plant.

Soil for Persian Shield Plant

The best soil for Persian Shield Plant should be rich in organic matter and free-draining to prevent it from getting soggy while providing the required nutrients.

Most multi-purpose potting mixes are ideal for Persian Shield Plant. Buy quality Potting Mix for your Persian Shield Plant from Etsy.

How to Prune Persian Shield Plant

Pruning Persian Shield Plant (Strobilanthes dyerianus) involves regular removal of dead foliage to maintain your plant neat and tidy.

To control the height of the plant and encourage bushyness, pinch the growing tips. Read more on how to prune houseplants.

Persian Shield Plant (Strobilanthes dyerianus) Propagation

Persian Shield Plant (Strobilanthes dyerianus) propagation is done during the growing period from stem-tip cuttings.

How to Propagate Persian Shield Plant from Stem-tip Cuttings

The Persian Shield Plant stem cuttings root easily so there is no need for rooting hormone.

Take a stem cutting from a healthy Persian Shield of about 3-5 in. and ensure it bears at least two sets of leaves.

Insert the cutting in moist free-draining soil and place in a warm, well-lit place.

Maintain the soil moist through out until new growth emerges on the cutting.

Allow the new Persian Shield Plant to be well established before transplanting after which routine care can begin.

Persian Shield Plant, Strobilanthes dyerianus

Photo Credit: plantingman.com

Persian Shield Plant (Strobilanthes dyerianus) Problems Indoors

Persian Shield Plant (Strobilanthes dyerianus) problems indoors are caused by cultural faults like improper watering, low humidity, improper feeding and inadequate light. Read on for remedies and solutions to these problems.

Persian Shield Plant dull leaves

Dull leaves in Persian Shield Plant (Strobilanthes dyerianus) are caused by inadequate light (too low light).

The development of the beautiful purple sheen on the leaves requires adequate light.

Move your Persian Shield Plant to a brighter spot where it will receive bright, indirect light but away from direct sunlight. Check out this guide on understanding light for houseplants.

Persian Shield Plant leggy growth

There are three possible causes of leggy growth in Persian Shield Plant (Strobilanthes dyerianus).

One possible cause of leggy growth in Persian Shield Plant is too little light.

Move your Persian Shield Plant to a brighter spot where it will receive bright, indirect light away from direct sunlight. Check out this guide on understanding light for houseplants.

The second possible cause of leggy growth in Persian Shield Plant is too little water.

Maintain the soil for your Persian Shield Plant moist at all times and allow the top 1-2 in. of soil to dry out between waterings but never allow the soil ball to dry out completely.

The third possible cause of leggy growth in Persian Shield Plant is inadequate feeding.

Feed your Persian Shield every 2 weeks with a balanced, water-soluble fertilizer. However, all the stems become leggy with age therefore replace a leggy plant with young vibrant plants.

Persian Shield Plant brown, shrivelled leaf tips

Brown, shrivelled leaf tips in Persian Shield Plant (Strobilanthes dyerianus) is too dry air (low humidity).

Set the pot on a wet pebble tray to raise humidity for your Persian Shield Plant. Read more on how to raise humidity for houseplants.

Persian Shield Plant spotted leaves

Spotted leaves in Persian Shield Plant (Strobilanthes dyerianus) is caused by cold water droplets falling on the leaves during watering.

Avoid wetting the leaves of your Persian Shield Plant while watering or water from the bottom instead.

Persian Shield Plant diseases

The most common disease in Persian Shield Plant (Strobilanthes dyerianus) is root-rot disease which is promoted by soggy soil.

Ensure that the pot has a drainage hole to prevent the soil from getting soggy.

Persian Shield Plant pests

Common pests in Persian Shield Plant (Strobilanthes dyerianus) are Spider Mites, Fungus Gnats, Whiteflies and Aphids. Isolate the affected plant to prevent spread to other houseplants and treat it appropriately for the pests.

Is Persian Shield Plant (Strobilanthes dyerianus) toxic?

Persian Shield Plant (Strobilanthes dyerianus) is mildly toxic to humans and pets.

If Persian Shield Plant is ingested the plant sap causes burning in the mouth, tongue and throat.

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