Korean feather reed grass was £5.99 now £4.99
Position: full sun or partial shadeSoil: moist, humus-rich soilRate of growth: slow-growing Flowering period: June to AugustHardiness: fully hardyA useful, clump-forming, upright grass that will thrive in sun and partial shade, this is grown for its tall, fluffy flower heads that are silvery-grey with pinkish-purpletints. Creating a gently arching fountain of grey-green foliage, which takes on buttery shades in autumn. The emerging growth can be a bit tatty, so place it in the middle of the border. Its best planted in full sun as it tends to flop over more in shade. It has been given the Award of Garden Merit by the Royal Horticultural Society.Garden care: Cut back to ground level in late winter before the new growth appears.

Mexican giant hyssop was £5.49 now £4.99
Position: full sunSoil: well-drained, fertile soilRate of growth: average Flowering period: July to OctoberHardiness: hardy (borderline)Hyssops are great for adding vertical accents to a border, with whorls of long-lasting, tiny flowers arranged like a bottlebrush and pointed, aromatic fresh green leaves that are attractive to butterflies and bees. They are short-lived though, and may need replacing every few years, especially after a cold or wet winter. Blue Fortune has loose spires of lilac-blue flowers from July to October and peppermint-scented leaves. This upright, bushy perennial is perfect for the middle of a sheltered, sunny border. Try it as part of a Mediterranean scheme, with grey-leaved plants, or among ornamental grasses.Garden care: Don't cut back the faded flower-stems in until early spring, as  they provide interest in the winter months. Lift and divide congested colonies in spring.

elephant's ears (syn. Evening Glow) was £5.99 now £5.49
Position: full sun or partial shadeSoil: any soilRate of growth: average to fastFlowering period: April to MayHardiness: fully hardyCommonly known as elephant's ears, because of their large, leathery, oval leaves, bergenias have become fashionable again, thanks both to the number of new cultivars that have become widely available and to their usefulness in the garden. Bergenias are low maintenance, evergreen, will grow in sun or shade and tolerate a wide range of soils, including dry soils and clay.'Abendglut' has vivid magenta flower spikes in spring and dark-green leaves, tinged with maroonm, that are retained throughout the year. A favourite of Edwardian garden designer Gertrude Jekyll and plantswoman Beth Chatto, this sturdy plant should be planted in groups as ground cover, for edging borders or providing a foil for delicate foliage plants. Garden care: After flowering remove faded flowerheads. Cut off damaged foliage in spring. Lift and divide large clumps in early spring.

pimpinella was £6.99 now £5.99
Position: full sun or light shadeSoil: well drained soilRate of growth: averageFlowering period: May-JuneHardiness: fully hardyAn unusual plant which adds a loose informality to early summer plantings. Flat heads of tiny flowers, like a deep pink cow parsley or Queen Anne's Lace are held on stiff, wiry stems, where they will attract passing bees and butterflies. The leaves, which are long and finely cut, grow from the base of the plant, so that the airy flowerheads are unecumbered by foliage. This perennial prefers a sunny position in a freely draining soil where it may happily naturalise and set seed.Garden care: Dislikes a waterlogged soil. Divide congested plants in spring or autumn. Leave flower spikes to mature and self-seed to expand the group.