Butterhead lettuce, Lactuca sativa ' Imperial Winter', Top view of a few heads of lettuce close together forming an overall pattern.

Tomato, Beef tomato, Lycopersicon cultivar, Studio shot of red fruit against white background.

Tomato, Lycopersicon esculentum , Studio shot or red tomatoes on wooden board.

Tomato, Lycopersicon esculentum , Studio shot or red tomatoes on wooden board.

Tomato, Lycopersicon esculentum , Studio shot or red tomatoes on wooden board.

Tomato, Lycopersicon esculentum , Studio shot or red tomatoes on wooden board.

Tomato, Lycopersicon esculentum , Studio shot or red tomatoes on wooden board.

Apple tree, Malus domestica, White flower blossoms growing outdoor.

Young Courgette and Tomato, 'Tigerella' plants in pots growing under cover in a greenhouse.

Blueberry, Vaccinium, Stem of bush showing flowers in various stages of opening.

Blueberry, Vaccinium, Stem of bush showing open flowers.

Blueberry, Vaccinium, Stem of bush showing open flowers.

Cabbage, Savoy cabbage, Brassica oleracea subauda, Green vegetable on wooden grate in shed.