April

An absolute gift to flower arrangers, this is a noble and ornamental plant for the back of any border making nice clumps of foliage. It is, of course, the flowers that are remarkable: three or four inches across, “green” is one’s immediate impression on seeing them.

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.

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.

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.

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.

Ricinus communis is one of the best ways to quickly create a tropical effect in the garden. It is a remarkably architectural, fast growing plant. The huge leaves and interesting flower spikes add drama to borders and beds. The variety, gibsonii 'Red' grows to around 150cm with gorgeous dark red, metallic foliage.

Prunella vulgaris is an interesting and quite beautiful little wildflower plant. The plants produce pretty blue-violet flowers in summer, the flowers freely produce nectar and are highly attractive to bees. If you’re looking for something to add to a meadow garden, or something for those shady areas this is the plant for you.

Collected at altitude in Japan and introduced in 2006, Polemonium yezoense 'Purple Rain' is one of the best new introductions in recent years. With bronze-purple lacy foliage, dark stems and violet-blue flowers, it is the darkest flower form of Polemonium available.

The white form of the lovely Jacobs Ladder, named after the slender, fresh green leaflets arranged like the rungs of a ladder. Blooming in late spring to early summer, the bright foliage and white flowers will brighten shady locations. Both the flowers and the attractive ferny foliage are excellent for cutting.

The Cape Gooseberry is a useful small crop for the home garden. The fruit is expensive to purchase as it is labour intensive in commercial plantings. Very easy to grow from seed, it can overwinter outdoors in mild areas or when grown in favoured positions such as the foot of a sunny wall.

Phlox drummondii grandiflora 'Isabellina' is an annual flowering phlox that is very easy to grow. Fast to flower it produces abundant blooms with a light melon fragrance. The clusters of creamy, linen-yellow flowers are the colour of condensed milk. A must-have for wedding work, this delicious variety is a great addition to the garden border and bouquets.

Phlox is one of the most useful of annuals, they are extremely rewarding garden subjects and lack real competition in the late summer garden. Uniform, with outstanding weather tolerance they will flower from mid July right through the summer until October. Perfect for wedding work and bouquets, Grandiflora 'Alba' provides pure white flowers combined with a delicious scent.

'Sugar Stars' is a fabulous new annual Phlox variety that blooms with a confection of purple-blue and white clustered blooms. One of the most useful of annuals they flower from mid July right through to October. For spectacular display, romantic excess and sweet fragrance, they are without peer.

Silvery white petals are dressed in tints of blush pink that darken with age, against a darker pink eye. The blooms carry a fresh fragrance reminiscent of lilacs and make delightful cut flowers. Uniform with outstanding weather tolerance they will flower right through the summer until October. Leave the colour in your borders or cut regularly through summer for wonderful vase displays.

Russian Sage is one of the great garden plants of all time, but if you've been frustrated by their floppy nature, this new variety will be a welcome addition. Growing to about 60 to 75cm tall, Perovskia atriplicifolia 'Taiga' is also the first Russian sage available as a first year flowering perennial.

The Bees and Butterflies Mix of flowers is a carefully chosen range of over 30 annual flowers that are rich in both nectar and pollen that both bees and butterflies adore. They will flower within six to eight weeks and provide you with pleasure throughout the summer.

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.