Pea, Pisum sativum 'Purple podded'. Harvested peas with purple and green pods.

Pea, Pisum sativum. Purple pea pod hanging from bent stem.

Houseleek, Sempervivum tectorum. Rosette of pointed, fleshy leaves growing with other varieties on grey, stone wall. Exterior of house part seen behind.

Veronicastrum virginicum 'Album'. Spires of small, white flowers amongst green, feathery foliage.

Echinacea purpurea 'Sunset'. Group of Echinacea or coneflowers with orange, recurved petals and central, dark brown cones.

Purple Basil, Ocimum basilicum purpurescens growing in bright pink wellington boot at Hampton Court 2009. Capital Growth Incentive volunteers edible balconies.

Lavender, Lavandula augustifolia. Spikes of small, purple blue flowers with Large White butterfly, Pieris brassicae in sunlight.

Lavender, Lavandula augustifolia. Spikes of small, purple blue flowers with Large White butterfly, Pieris brassicae in sunlight.

Pea, Pisum sativum 'Purple podded'. Bi-coloured purple and white pea flower on bent stem.

Pea, Pisum sativum 'Purple podded'. Bi-coloured purple and white pea flower on bent stem.

Carrot, Daucus carota 'Egmont Gold'. Green, feathery leaves of carrot seedlings.

Hogweed, Heracleum sphondylium. Drying, skeletal stems of Hogweed silhouetted against pale blue sky.