With its clumps of pristine white flowers set above vibrant green leaves and its need for full sun, perennial candtytuft (Iberis sempervirens) is an easy-going must-have for a rock garden.

As its name suggests, Basket of Gold lights up the garden with clusters of bright yellow flowers in spring. It’s a sun-lover, growing well in rock gardens or along sunny borders. ‘Compacta ...

Alpines such as conifers and creeping plants hail from exposed, challenging habitats, making them hardy choices for UK gardens ...