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Hyssop is a strong-flavoured aromatic herb which is enjoying a revival with home gardeners. An ideal plant for use in containers or as a low hedge or border within the herb garden. Highly attractive to bees, it makes excellent honey and is a must for any wildflower garden.

Hyssop, once recognised as a medicinal herb is enjoying a revival with home gardeners. An aromatic herb similar to rosemary or lavender, it makes an excellent low hedge and more unusual alternative to box. The plants are a dark, vibrant green with a spiky, upright habit and narrow tongue-like leaves. 'Pink' Hyssop sports vibrant, pink flowers.

Hyssopus officinalis 'Alba' is a much less well known variety of hyssop. Also known as 'White Hyssop' the plants sport bright white flowers from July to October. Widely used as a 'taste enhancing' herb or wildlife plant, the plants are a dark, vibrant green with a spiky, upright habit and narrow tongue-like leaves which have a peppery scent when stroked.

A deep blue carpet of bluebells is an unforgettable sight to anyone visiting many of our native woodlands. The spring spectacle of seeing a wood not only greening, but also 'blueing' is one of the joys of the year. When bluebells are in flower, spring has truly arrived.

Humulus lupulus, is a climbing hardy herbaceous perennial. The Hops are actually the female flower cones or 'strobiles' of the plant. Hops are used as a sedative and relaxant, sleeping on a pillow filled with hops is said to help insomnia. Leaves and shoots are eaten either cooked or in salads, the flavour is said to be delicious.

Hosta are grown predominantly for their outstanding foliage, from leaves as small as a teaspoon up to those larger than a dinner plate, colours range from deep blues to silvers, darkest shiny greens to bright yellows, from a single solid hue to the myriad of variegations the choice is almost overwhelming.

‘Simply Love’ is one of the stand-out stars of the garden. The bushy plants bear lovely iridescent silver flowers, each with a chocolate-purple centre. Hibiscus trionum is an easy to grow, very ornamental bedding or border plant, with a compact and good-branching growth habit. It is drought tolerant and performs well when grown as a container plant.

Heuchera Melting Fire is a new seed variety of this charming groundcover. The new foliage emerges bright red with delightfully curled and heavily ruffled edges. As spring turns to summer the colour deepens, adding maroon highlights, The flower stems carry delicate clusters of white flowers. Pelleted Seed.

Dames Rocket was the favorite flower of Marie Antoinette. The genus name Hesperis is Greek for evening, a reference to this plant's aroma becoming ever more conspicuous towards evening. The fragrance is as sweet as a violet's. The night-scented stock is a close relative.

Dames Rocket produce flowers varying in colour from deep rich purple, through all the paler lilac shades to white. Highly attractive to bees and other beneficial insects, the fragrant flowers perfume the air in late spring and early summer evenings.

Gorgeously scented pure white flowers are held above rosettes of dark green leaves. Like all sweet rockets it is highly attractive to bees and other beneficial insects, the fragrant flowers perfume the air in late spring and early summer evenings. The night-scented stock is a close relative.

Herniaria glabra is a relatively unknown perennial that deserves to be used more often in our gardens. The nursery industry calls it ‘Green Carpet’ and well they should. This lovely bright green creeper spreads effortlessly in all directions. An excellent choice for between flagstones or as a lawn substitute.

Based on hybrids bred by the doyenne of the Hellebore world, Helen Ballard, these must be some of the finest and most beautiful of the race we have to offer. Large flowers are produced in a variety of colours from dark purple to white - often extravagantly mottled and marked.

Originating from one of the country's top hellebore breeders. Hellebore 'Black Beauty' is a choice variety. The deepest plums and purples open from slate coloured buds, many plants having the extra bonus of the dark foliage of their parents.

Hellebore 'Blackthorn Strain' is a carefully selected seed strain, with delicate pink flowers backed with pink and green, the stems, petioles and often the anthers are an enchanting ripe berry rose. The saw-toothed foliage is pewter-blue above, burgundy-grey beneath.

Heliopsis ‘Summer Nights' is a special selection made by Dale Hendricks of North Creek Nurseries, USA. Introduced in 2004 it produces a profusion of single blooms in early to mid-summer, with rich, deep golden-yellow petals and deep mahogany centres. The foliage is red-tinted and the stems are tinted dark burgundy.

Heliopsis is a great plant for the busy home gardener. ‘New Hybrids' is a selection of the newest forms, they will bloom the first year from seed with a profusion of blooms in shades in lemon, golden yellow and orange-yellow. The plants will produce arm loads of flowers all summer long and never once ask for decent soil or proper care.

From the Tian Shan Mountains of northern China comes this tough little subshrub that is among the finest expressions of silver foliage to be found. Helichrysum thianshanicum is a superb silver leaved evergreen, subshrub that forms a tight mound of eye-catching silver foliage.