Hardy Perennials

Asphodeline lutea is an easy to grow perennial that has great architectural form. The overall impression is distinctly upright, so it is good for adding vertical interest to the garden. In early summer leafy stems arise that bear dense, unbranched cylindrical spikes of gorgeous yellow, star-shaped flowers.

Aubrieta 'Hendersonii' is a vigorous variety that is smothered by rich lilac-purple flowers for several months in spring. It grows to only 10 to 15cm tall at maturity, but with a spread of around 45cm it makes a lively edging to a sunny border, growing over rock walls or placed in stonewalls.

Commonly called ‘Rock Cress’, Aubrieta is a traditional rock garden plant that is lovely spilling out of crevices, growing over rock walls or placed in stonewalls. 'Leichtlinii' forms a low cushion of leaves that is, throughout the summer months, smothered by wonderful deep-carmine flowers.

Aubrieta has long been treasured for its delightful spring show of brightly coloured flowers. ‘Whitewell Gem’ is smothered by large, intense reddish-purple flowers for several months. Lovely spilling out of crevices or over rock walls, the plants can also be used in paving with other ground hugging plants.

Aubrietia is a very versatile plant. They are well known for use in rockeries, but the cushion forming habit also makes it useful as a ground cover; it can be planted in beds and is perfect for underplanting shrubs. they can also be used between paving and walls, or create a wonderful foil for spring bulbs.

Bergenia cordifolia is one of the most useful of all plants and worthy of a place in any garden. No other plant offers such quality, glossy, evergreen foliage at ground level. This sturdy plant can be planted in groups as ground cover, for edging borders or to provide a foil for delicate foliage plants.

This pretty little wildflower is a slow growing, long-lived plant with attractive spikes of rich pink-mauve flowers that are very attractive to bees and butterflies as a nectar source. The flowers, which rise from dark green crinkly leaves, keep their colour throughout summer and look stunning when growing en-masse.

Calamintha nepeta is a very attractive bushy, perennial that should be in every garden. Clouds of tiny, lilac-mauve flowers appear in early summer and flower continuously from early June right through to late September. The leaves exude a lovely minty scent when crushed and the flowers are true bee pasture.

A stately plant of distinction, Campanula latifolia var. macrantha 'Alba' is an outstanding plant for the border with tall upright stems bearing large, elegant white blooms in summer. A very hardy plant and one of the most adaptable. Use it in formal borders or set it free in a wild or woodland garden.

Campanula persicifolia is an old-fashioned cottage garden flower of great charm. From late spring to early summer the tall stems of wide-open blue bell flowers appear regularly. The flowers are held above the mound of leaves on tall, straight stems, making them ideal for cutting.

Campanula persicifolia alba is earlier flowering than many other varieties, the charming flower spikes are good for cutting if you can bear to do without them in the garden. Planted en masse, this is an attractive variety to associate with many old-fashioned varieties.

Campanula punctata is a mid-sized selection that is perfect for the sun or part-shade border. Growing 30 to 60cm tall, the plant forms a mound of light green leaves. The ample-sized, pendulous blooms and buds are especially striking against the backdrop of triangular, serrated green leaves.

Amazon Mist is a graceful ornamental grass with arching silver white evergreen foliage, each ending with a slight curl. The flowing mounds of fine textured are lovely spilling over slopes and walls. It adds colour and texture to both summer and autumn displays.

Carex Prairie Fire is an outstanding specimen plant. A very ornamental grass, in full sun the fine leaved foliage erupts into colour like burning embers. In late summer, panicles of rosy flowers appear just above the foliage. For glorious colour, plant in full sun to partial shade.

Catananche caerulea 'Amor Blue' is a charming plant, with blue, star like flowers each with a dark eye and unique papery petals. They look best when grown in groupings, rather than one or two plants and don’t mind crowding. Plant en-masse in prairie style or meadow plantings, mix them up a little with other hardy perennials and grasses.

Catananche caerulea 'Amor White' produces stunning blooms of white, star like flowers each with a dark purple-blue eye and unique papery petals. The blooms rise on single stems above neat clumps of grey-green foliage. Super when planted the border, they also make a wonderful, long lasting cut or dried flowers.

Persian Cornflower is an attractive clump forming cornflower, with bushy, branched plants and the unusual characteristic of being perennial and flowering in the first year. Very adaptable to both dry and moist locations. Large deep lavender-pink blooms adorn the divided foliage throughout summer.