Vitex negundo, widely known as Nirgundi or Sambhalu, is a large aromatic shrub native to India and other parts of Asia. It grows quickly into a dense, spreading bush with distinctive palmately compound leaves, usually carrying five slender leaflets that release a pungent, sage-like scent when crushed.
From the monsoon through autumn it produces slender terminal spikes of small lavender to bluish-purple flowers that attract bees and butterflies. Extremely tough and adaptable, it thrives across most of India in full sun and poor soils, tolerating drought once established.
Nirgundi is one of the most respected medicinal plants in Ayurveda and traditional Indian medicine, and is also grown as a low-maintenance hedge, windbreak and pollinator-friendly garden shrub.
Specifications
| Family |
Lamiaceae (formerly Verbenaceae) |
| Native region |
India and tropical/subtropical Asia |
| Mature height |
2-5 m |
| Mature spread |
2-4 m |
| Growth rate |
Fast |
| Foliage |
Deciduous to semi-evergreen; aromatic palmate leaves with 3-5 leaflets |
| Flower colour |
Lavender to bluish-purple |
| Flower season |
Monsoon to autumn (roughly June-October) |
| Climate zone |
Tropical and subtropical; suits most Indian plains |
Care guide
| Sunlight |
Full sun to light partial shade; flowers and stays compact best in full sun. |
| Watering |
Moderate while establishing; drought-tolerant once mature. Let topsoil dry between waterings; avoid waterlogging. |
| Soil / mix |
Adapts to most soils including poor and sandy ground; prefers well-drained loam. Tolerates a wide pH range. |
| Temperature |
Thrives at 20-38 C; established plants tolerate heat well and recover from light cold. |
| Humidity |
Tolerant of a wide range; handles both dry and humid Indian conditions. |
| Fertilizer |
Light feeder. A dose of compost or balanced fertilizer once or twice a year is sufficient. |
| Pruning |
Responds well to hard pruning; trim after flowering to maintain shape and a dense hedge. |
| Repotting |
If container-grown, repot every 1-2 years into a larger pot; usually grown in the ground. |
| Propagation |
Easily from semi-hardwood/hardwood stem cuttings; also from seed. |
| Pests & problems |
Generally pest-resistant due to aromatic foliage; occasional leaf-eating caterpillars or scale. |
| Difficulty |
Easy |
Uses
Nirgundi is one of India's most widely used medicinal and utility shrubs:
-
Ayurvedic medicine: leaves, roots and seeds are traditionally used in preparations for joint pain, inflammation and respiratory complaints (use only under qualified guidance).
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Garden hedge: fast, dense growth makes it an excellent informal hedge, screen or windbreak.
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Pollinator plant: the flower spikes attract bees and butterflies.
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Natural repellent: aromatic leaves are traditionally placed among stored grain to deter insects.
Growing tips
Plant at the onset of the monsoon (June-July) so seedlings establish on natural rainfall. Choose a sunny spot; it tolerates poor soil but grows fastest in well-drained ground enriched with compost.
Water regularly for the first few months, then cut back as it becomes drought-hardy. Prune hard after the autumn flush to keep it bushy and encourage fresh flowering wood. In cooler North Indian winters it may shed leaves and reflush in spring.
