Regions: North India

Flame of the forest — bare branches and orange flowers through the dry spring.

Neat glossy shrub with pinwheel white flowers; the easiest good hedge there is.

Orange jessamine — flushes of scented white flowers after every rain.

The garden chrysanthemum of the north-Indian winter, sold by the crate at Diwali.

Bulbs planted in March give heavily scented white spikes through the monsoon.

Grown from sets or seedlings; needs depth, sun and patience.

A Himalayan ginger relative with scented white flowers and aromatic rhizomes.

Companion-planting workhorse: keeps nematodes down and feeds bees all season.

Flowers nearly all year in a warm city, and sunbirds find it within a week.

A pot by an open window does more for a summer evening than any air freshener.