June

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.

Helianthus 'Sunfill Purple' is a novel purple sunflower with sumptuous dark centers and petals tipped with edged hints of purple. These fast-growing sunflowers produce geometric flower heads for use as bouquet greenery. Just 50 days to maturity, sow successionally, mid spring right through to mid summer.

With most sunflowers, the beauty is in the flower petals, but the multi-layered, green outer calyxes of Helianthus 'Sunfill Green' create the show. This fast growing annual source of cut fillers for bouquets produce geometric flower heads for use as bouquet greenery. Sow successionally, mid spring right through to mid summer.

Helianthus annuus 'ProCut White Nite' is a professional, pollenless cut-flower variety that is used by florists all over the world. The cream petals mature to white and contrast beautifully with the dark brown centre. They plants are uniform and vigorous in growth even under low temperatures.

An exciting addition to the ProCut line, ‘White Lite’ produces tall, ivory-petaled flowers with golden centres. This blonde beauty is sophisticated enough for use in wedding flowers and sturdy enough for market bouquets. They are uniform and vigorous in growth even under low temperatures.

Helianthus 'ProCut Red' is a stunning new dark addition to this widely grown series. Flowers are a deep, rich rusty-red, one of the best dark colours on the market. Dark chocolaty centers gradually give way to ruby ringed petals that fade to a lighter tip. Sow mid spring to mid summer for continuous blooms.

Helianthus 'ProCut Plum' is an elegant sunflower with petals the most delicious mix of soft colours. Café-Au-lait lightly brushed with dusky bronze-crimson. In the vase it mixes well with other blooms in bronze and reddish tones. Just 60 to 65 days to maturity, sow mid spring to mid summer and cut when the petals begin to unfurl from the face

Lighter than orange and darker than yellow, Helianthus ‘ProCut Peach' is the latest colour to be added to the series, a beautiful warm, pale yellow hue that shimmers towards the peach-coloured range. It produces perfectly shaped, single pollenless blooms. Sow mid spring to mid summer for continuous blooms.

If you like well-branched, free-flowering, traditional sunflowers that are not too tall, 'Holiday' is the one you've been looking for. At 120cm (4ft) tall, with golden yellow petals and dark centres, it bears armfuls of cheery 15 to 20cm blooms. Irresistible for cut flower bouquets and for a large garden planting.

Helenium hoopesii is considered by some to be the most valuable of the species. It blooms with bright golden yellow disk florets that each form a kind of rounded knob that transforms the flower from your typical two-dimensional daisy into something much more interesting and sculptural.

If there's one plant that can inject a little razzle-dazzle into the border during gloomy late summers it is Helenium. From late July 'Helena' blooms with masses of vibrant blooms in a spectrum of rich colours from gold to mahogany red. Perfect for the back of the border and wonderful for cutting.

Gypsophila paniculata 'Snowflake' is a pretty double-flowered baby’s breath that offers big airy clouds of white blooms in early summer. The flower panicles are strong-stemmed, compact and bloom a bit earlier than standard forms. Each stem has hundreds of tiny white flowers on wire-thin branches, giving an airy, soft impression.

Gypsophila has recently become rather trendy among celebrity and designer florists, even taking centre stage as the main flower focus of bouquets and arrangements. 'Covent Garden' produces hundreds of tiny, single white flowers on wire-thin branches, giving an airy impression.

One of the grandest of plants, Euphorbia characias 'Wulfenii' has upright stems clothed with whorls of fleshy, mat grey-green leaves that lend the whole plant a textural quality that is unparalleled. From March to June the plants are topped with intense chartreuse-green flowers'.

What spring garden would be complete without a bed of delightful, sweet-scented Wallflowers, harbingers of warmer weather to come? Erysimum cheiri, formerly Cheiranthus cheiri 'Ivory-White' is a fabulous form. A compact variety with a bushy habit which is ideal as an underplanting to tulips and other spring bulbs.

Erysimum ‘Fire King' is another old and tried variety, with striking, flame-like, glowing orange-scarlet flowers. They are especially valuable because they bloom in the period between primroses and summer annuals and will supply the household with an abundance of cut flowers for many weeks.