Regions: west

Big-leaved and happy in a wet corner; corms below, edible leaves above.

Ground cover, greens and tubers from a few cuttings pushed into soil.

The fastest useful tree there is — 3 m in a year, edible leaves and pods.

Plant single cloves in October and lift whole bulbs in March.

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

The Spanish jasmine of the perfume trade, grown widely in the north and west.

Green by day and overpowering by night; plant it away from a bedroom window.

Golden champa — a tall tree whose flowers are sold by the handful at dusk.

Flowers through the hottest months on almost no water. Every part is poisonous.

Sixty days from sowing to dal, and sproutable on a kitchen shelf.