Wisteria, Mauves coloured flowers gowing outdoor as arch in a garden.

Arch with climbing roses, Heirloom Gardens, St Paul, Oregon, USA.

Arch with climbing roses, Heirloom Gardens, St Paul, Oregon, USA.

Tunnel through climbing roses, Heirloom Gardens. St Paul, Oregon, USA.

Clary sage, Salvia viridis 'Marble Arch mixed', Side view of several stems backlit, showing purple tinged bracts.

Alexanders, Smyrnium olusatrum, Flowering stems growing under an arch with minaret of a mosque against the blue sky behind.