Long Bloom

Pennisetum alopecuroides is an especially appealing species, it changes its appearance and colour throughout the growing season. In late summer graceful fountain-like plumes emerge in profusion, they slowly change colour to a blend of green, soft pinks and light-colored maroons before maturing to light tan.

Pennisetum alopecuroides var. viridescens has broader leaves and darker flower heads than the regular species and, growing to around 60cm tall, it is also slightly smaller. It has graceful smoky purple-black plumes that contrast nicely with the slender arching, glossy, deep green foliage.

Awarded a Fleuroselect Medal for striking colour, plant habit, and flowering performance, Penstemon barbatus 'Twizzle Blue' is a first year flowering perennial that will add height and high-impact colour to the border, giving superb flowering performance from mid to late summer.

Penstemon barbatus 'Twizzle Coral' adds a graceful twist to the garden. A first year flowering perennial, that is hardy and vigorous, it boasts twice the length of flowering stems, giving longer, more elegant wands for the vase while preserving the natural elegance of Penstemon barbatus.

A winner of both an AAS and Fleuroselect Awards, Penstemon ‘Twizzle Purple' is a first year flowering perennial that boasts twice the length of flowering stem. Strong, trouble-free plants produce trumpet shaped magenta-violet blooms that flutter all along tall, slender stems.

The physostegia has prolific dazzling tubular flower spikes which are arranged on distinctly square stems. This oddly named perennial is perfect for the middle of a mixed or herbaceous border. The flowers are on swivels that can be bent right or left on the stem - a useful feature for floral displays.

Potentilla 'Helen Jane' is a beautiful new semi-dwarf cultivar that displays gorgeous crimson-eyed, bright pink flowers, with petals that are attractively crinkled just like crepe paper. Flowering over a long period, new buds open repeatedly in a long succession, from late June to September.

Venerating a former plant curator at the Royal Botanic Garden in Edinburgh, Scotland, 'Ron McBeath' is a beautiful new semi-dwarf cultivar. This diminutive potentilla repeat-flowers for months, sending up wands of rosy carmine flowers even in shade. It outlasts other potentillas by far.

Considered by many gardeners as the most complete border flower, when Rudbeckia ‘Cherry Brandy’ was first introduced, it took the plant world by storm. This stunning cultivar is the world’s first red Rudbeckia, it produces a mass of spectacular cherry-coloured blooms all summer long.

Rudbeckia hirta 'Denver Daisy' has large, golden daisies with chocolate brown centres and marks at the base of each petal. Growing to around 75cm (30in) tall, this lovely variety performs well, is exceptionally heat tolerant and blooms for a long time in summer.

The heavy blooming ‘Irish Eyes’ has fantastic bright yellow and gold daisies with emerald green eyes, a far cry from your typical black-eyed Susan. It is easy to grow, great for cutting and offers lots of blooms in the heat of summer. This popular ornamental is at home in wildlife gardens, cutting gardens and mixed borders.

Rudbeckia hirta ‘Maya’ is a fabulous award winning variety, bearing beautifully doubled golden daisies with petals so dense they almost look like pincushions. Golden yellow, with a kiss in the centre — almost like a Zinnia in appearance. An outstanding cut flower and wonderful in mixed containers.

Semi-double and double velvety blooms in subtle shades of pale cappuccino, deep caramel, copper and dusty raspberry and everything in between. Rudbeckia 'Sahara' is one of the most spectacular blooms in the late summer border, coming to its peak just as others are starting to fade.

Salvia farinacea ‘Fairy Queen’ is an attractive new variety that bears multiple spikes of bicolour blue and white flowers on dark distinctive flower stems from June to October. With a bushy, compact habit and thick stems. A small white spot on each sapphire blue flower creates the illusion of fairy dust.

Salvia Victoria White is a companion to the more well known Victoria Blue. Flowering in less than four months from seed, it produces its white flowers from summer to autumn. Like all Salvia, it brings butterflies into the garden by the dozen, and makes a wonderful cut or dried flower.

Salvia patens is undoubtedly one of the very best blue flowering plants and one of the truest blues found in nature. 'Patio Deep Blue' is a compact variety that is perfect for containers or for the front of the border, there is little else that can compete with the richness of its colour.