Adathodai / Malabar Nut

Justicia adhatoda

Common Names: Malabar Nut, Adathodai, Vasaka

Local Name: ஆடாதோடை (Tamil), Adusa / Vasaka (Hindi)

Family: Acanthaceae

Origin: South Asia

Plant Type: Perennial evergreen shrub

Average Lifespan: Perennial; long-lived shrub

🌿 Botanical Description

Growth Habit	Erect, branching evergreen shrub
Plant Size	1–2.5 meters tall
Leaves	Large, lanceolate, 10–20 cm long; dark green, bitter taste
Flowers	White with purple markings; in dense spikes
Root System	Fibrous root system; well-anchored in soil

☀ Growing Conditions

Climate	Tropical to subtropical; tolerates dry conditions
Temperature Range	15–40°C
Soil Type	Well-drained loamy or sandy soil; tolerates poor soils
Soil pH Preference	6.0–7.5
Sun Requirement	Full sun to partial shade
Water Requirement	Low to moderate; drought-tolerant once established
Can it Grow in Pots?	Yes, in large containers

🌾 Cultivation & Care

Fertilizer Schedule	Monthly with compost; minimal fertilizer needed
Common Pests	Generally pest-resistant; occasional leaf spot in humid conditions

🌱 Pollination & Propagation

Propagation by Seeds	Seeds germinate readily; sow in well-drained seedling mix
Propagation by Cuttings	Stem cuttings root easily; preferred method for propagation

💧 Environmental Impact & Sustainability

Water Usage	Low; drought-tolerant once established
Biodiversity Benefits	Flowers attract bees and butterflies; provides dense cover for small birds

🌿 Medicinal Uses

Immune Support	Leaves used for respiratory conditions, asthma, and bronchitis; contains vasicine alkaloid
Anti-inflammatory Properties	Anti-inflammatory and expectorant; used in cough syrups and herbal formulations
Digestive Health	Used for fever, skin diseases, and as an antispasmodic in traditional medicine

Disclaimer: Information provided is for educational purposes only and not a substitute for medical advice.

📝 Orchard Observation Notes

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