CABINET OF CURIOSITIES

Dry stone walls, and old stone walls held together with mortar, acquire a flora of resilient species that thrive in their damp crevices. In...

Thursday's Guardian Country Diary is about this remarkable 'golden' wall at Hexham, in Northumberland's Tyne valley. It...

I found this little ruby-tail wasp exploring a crevice in a south-facing house wall near Durham yesterday. First ...

This attractive little plant growing on the walls of Stanhope Castle in Weardale is fairy foxglove Erinus alpinus , a native of Cent...

Brittle bladder fern Cystopteris fragilis is one of the characteristic wall ferns of North East Englan...

Succulent leaves are common in drought-tolerant plants from arid environments but they are not a feature of many plants that are native t...

Wall pennywort Umbilicus rupestris is one of those plants that would be much less common if humans hadn't built the perfect habitat ...

Wallflowers Cheiranthus cheiri (or, to give them their more recent name Erysimum cheiri ) have been known as naturalised plants in the...