Regions: South India

Bolts in heat, thrives in the cool months. Sow every fortnight for a steady supply.

Grows from a cutting in a glass of water. Keep it in its own pot — it will take over any other.

Thick scented leaves on a succulent stem; one plant fills a windowsill pot for years.

A clump of scented grass that mosquitoes avoid and tea drinkers cannot do without.

Drought-tolerant root herb for a hot sunny corner; needs almost nothing once established.

A climbing vine of the monsoon, long used in home remedies and generous with shade.

A creeping marsh herb happy in a wide bowl of wet soil — the one plant you cannot overwater.

The pennywort of damp corners; spreads by runners and asks for shade and moisture.

A fine-leaved climber with tuberous roots, happiest scrambling up a partly shaded wall.

A small shady-forest shrub, historically important and now scarce in the wild.