Carthusian pink, Dianthus carthusianorum, close up of flowers.

Carthusian pink, Dianthus carthusianorum, close up of flowers.

Carthusian pink, Dianthus carthusianorum, close up of flowers.

Horse chestnut, Aesculus hippocastanum, seedling showing the conker still attached.

Horse chestnut, Aesculus hippocastanum, seedling showing the conker still attached.

Holly, Ilex aquifolium leaves on a twig with melting snow against a dappled background.

Holly, Ilex aquifolium leaves with melting snow against a faded soft background.

Holly, Ilex aquifolium leaves with melting snow against a dappled background.

Close up of Holly, Ilex aquifolium leaves with melting snow against a dappled background.

Single Holly, Ilex aquifolium leaf with melting snow against a dappled background.

Single Holly, Ilex aquifolium leaf with melting snow against a dappled background.

Single Holly, Ilex aquifolium leaf with melting snow against a dappled background.