Tulip tree 'Aureomarginatum', Liriodendron tulipifera 'Aureomarginatum', Backlit yellow leaves against a blue sky.

Delphinium, Delphinium elatum cultivar, Blues coloured flowers growing outdoor.

Delphinium, Delphinium elatum cultivar, Blues coloured flowers growing outdoor.

Honeywort 'Blue Kiwi', Cerinthe major 'Kiwi Blue', Unusual shaped flowers growing outdoor.

Honeywort 'Blue Kiwi', Cerinthe major 'Kiwi Blue', Unusual shaped flowers growing outdoor.

Agapanthus, Agapanthus 'Castle of MeyÕ, Mauve coloured flowers growing outdoor.

Agapanthus, Agapanthus 'Queen Elizabeth The Queen Mother', Mauve coloured flower growing outdoor.

Rose, Rosa, Red, White & Blue Roses as a colourful artistic representation.

Lobelia, Mass of blue coloured delicate flowers growing outdoor.

Lobelia, Mass of blue coloured delicate flowers growing outdoor.

Lobelia, Mass of blue coloured delicate flowers growing outdoor.

Lobelia, Mass of blue coloured delicate flowers growing outdoor.