G-H

Helianthus ‘Vanilla Ice’ is one of the prettiest sunflowers varieties available. With clusters of delicate pale creamy-yellow flowers with dark chocolate centres this compact variety grows to just 120 to 150cm (4 to 5ft) tall is suitable for the border or can be left add a naturalised charm to a wildlife friendly garden.

Perennial sunflowers typically don’t grow quite as tall and large as their annual friends. However Helianthus maximiliani is a wonderful exception. It grows slowly through the summer months as a group of short stems, until late summer when the stems bolt and the flowers head for the sky.

Most gardeners are familiar with the annual sunflower, however, it is the perennial varieties that coexist most happily with other garden plants. Helianthus mollis is a lovely perennial with butter-yellow flowers. It grows 120cm tall and requires little more attention than an annual cutting to the ground.

Helichrysum bracteatum is the most well known and is probably the best of all the everlasting flowers. 'Swiss Giants Mixed' is a special selection of large flowered, double strawflowers. Vigorous and gorgeous in the garden, and perfect for drying. Fill your beds with colour, these stunning blossoms need very little to thrive other than light watering and good drainage.

Helichrysum 'King Size Creamy-White' produce creamy-white, vintage-toned blooms that are one of the finest subjects for bouquets and especially valued for wedding work. They are also an excellent dried flower, the papery flowers give an excellent natural colour.

Helichrysum 'Frosted Sulphur' is a welcome addition to the range, the colour of fresh buttermilk, soft ivory with a hint of cream. With an opalescent quality that gives them a soft glow. Very easy to grow from seed with little or no attention. They dry to a lovely creamy-ivory which blends well with everything..

Helichrysum bracteatum 'King Size Salmon Rose' is a lovely mixture of buff, peach and salmon colours. Apart from being useful for beds and borders, the papery, double flowers make one of the finest subjects for bouquets, they are also an excellent dried flower.

The cut flower grower's staple, producing tall vigorous branching plants that are filled with large papery flowers. Helichrysum 'Silvery Rose' produce large pearlescent white blooms, frosted with a delicate rose pink colour at the tips. Reminiscent of vintage mother of pearl, they bloom ten weeks after sowing and continue till first frost.

Helichrysum bracteatum is the most well known and is probably the best of all the everlasting flowers. They make one of the finest subjects for bouquets, apart from being useful for beds and borders. It is the cut flower grower's staple. 'King Size Silvery-White' produce substantial slky-white blooms that are held atop strong multi-branching bright green stems.

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.

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.

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.

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.

In spring, Dame’s Rocket lights up the woodland edges with her blossoms, providing nectar for hummingbirds, moths and butterflies, and fragrance for the soul. Very easy to grow, sow seeds directly where they are to flower in early summer.

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.

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.

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.

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.

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.