Arjuna (Terminalia arjuna)

Also known as: Guardian of the heart

Arjuna (Terminalia arjuna) is a large tree with striking buttress roots, giving it stability in poor soil conditions and along the riverbanks where it is often found. It plays an important role in silk production since a particular species of silk moth feeds on its leaves.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Arjuna

Lifespan

Perennial

Plant Type

Tree

Plant Height

20 m to 25 m

Spread

20 m

Leaf Color

Green Bronze

Flower Size

9 cm to 13 cm

Flower Color

Yellow

Images of Arjuna

Quickly Identify Arjuna

The Arjuna tree can be identified by its smooth, grey bark that peels off in thin, large scales, revealing a pinkish or red underbark. Its leaves are oblong and conical, and it produces small, pale yellow flowers. The fruit is a woody drupe, characterized by five hard wings.

Scientific Classification of Arjuna

Phylum

Vascular plants

Class

Dicotyledons

Order

Myrtales

Family

White mangrove

Genus

Terminalia

Species

Arjuna

Planting and Growing of Arjuna

Care Difficulty

Moderate

Watering Schedule

Every 3 days

Sunlight Requirements

Full sun

Sunshine Duration

6-10 hours

Ideal Temperature

68-86℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Arjuna?

The Arjuna tree requires about 500ml of water per session. Ensure the soil is moist but not waterlogged. It's essential to maintain consistency in moisture levels, letting the top inch of soil dry out slightly between waterings. Too much water can lead to root rot, while too little can cause the plant to wilt and weaken.

What are the symptoms of an underwatered Arjuna? ›

What should I do if my Arjuna is not getting enough water? ›

What are the symptoms of an overwatered Arjuna? ›

How to save an overwatered Arjuna? ›

What Are the Sunlight Requirements for Arjuna?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 7-9 hours daily

Terminalia arjuna thrives in a range from full sun to partial sun, preferring consistent daily illumination to enhance its growth, flowering, and resilience.

What is the ideal light condition for Terminalia arjuna? ›

How can you ensure Terminalia arjuna gets optimal light? ›

What are the benefits of Terminalia arjuna receiving ideal light? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Arjuna?

Ideal Temperature: 68 ~ 86℉

Terminalia arjuna thrives best in temperatures between 68°F and 86°F. Within this range, the metabolic processes of the plant are in full swing, ensuring healthy growth and development. It's critical to maintain this range to observe robust growth and high-quality foliage.

What Soil is Best for Arjuna?

Soil type: Sandy loam, Loam

Soil PH: 6.5 ~ 7.5

Terminalia arjuna thrives in soils that have good drainage. Adequate drainage ensures that the plant's roots do not become waterlogged, which can lead to root rot and other diseases. Well-drained soils help sustain root health and promote vigorous growth. This tree grows best in soils that are rich in essential nutrients. Fertile soil supplies the necessary macronutrients and micronutrients, supporting the plant’s overall health and boosting its resilience against environmental stresses. While Terminalia arjuna prefers moist soils, it is important to avoid overly wet conditions. Consistent moisture helps ensure that the tree remains hydrated, aiding in its growth and maintaining lush foliage.

How to Fertilize Arjuna?

Fertilizer type: Balanced

For Terminalia arjuna, apply liquid fertilizer at a diluted concentration, usually around half the recommended strength on the package. Solid fertilizers should be used sparingly. A dose of about 50 grams of slow-release fertilizer per application is adequate, ensuring the right nutrient balance without overwhelming the plant.

How to Prune Arjuna?

Pruning Time: Spring, Summer, Autumn, Winter

Begin by identifying any branches that are dead, diseased, or crossing over each other. Cut these back to the main branch or the trunk. Maintain the tree’s natural shape by making cuts just outside the branch collar, allowing the tree to heal properly. Thinning the crown of the tree helps increase light and air penetration. Remove some of the smaller branches, focusing on those with weaker angles. This not only enhances the tree's aesthetic appeal but also reduces the risk of storm damage. More About Pruning Techniques→

How to Propagate Arjuna plant?

Propagate Time: Spring,Early spring,Late spring

Choose high-quality seeds for propagation. Inspect the seeds for any signs of damage or disease. Soak the seeds in water for 24 hours to soften the seed coat, which facilitates better germination rates.

Place the prepared seeds in seedling trays filled with a well-draining potting mix. Sprinkle a thin layer of soil over the seeds and mist with water. Maintain consistent moisture and warm temperatures to encourage germination.

Identify a healthy growth shoot on the plant. Use sharp pruning shears to cut a 4-6 inch section just below a node. Remove any leaves that may contact the soil when planted. Prepare the cutting for rooting by dipping the end in rooting hormone powder.

How to Repot Arjuna plant?

Repotting frequency: Every 2-3 years

Repot your Terminalia arjuna when you notice roots circling the bottom of the pot, the plant becomes root-bound, growth slows down, or water sits on the surface after watering. These are clear signals it’s time for a new home.

Select a pot that is slightly larger than the current one, ensuring it has drainage holes to prevent waterlogging. The right pot size allows roots to expand moderately and offers better air circulation, promoting healthier plant growth.

Opt for well-draining, sandy loam soil rich in organic matter. This soil type ensures proper aeration and drainage, preventing root rot and providing optimal conditions for Terminalia arjuna's growth and nutrient uptake.

Toxicity

Ingestion of parts of the plant

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.