Attractive creeping ’evergreen’ perennial with pewter-grey leaves. Will form dense mat of foliage. Height 8-12cm spread to 90cm  Sun or part shade

ACANTHUS mollis

'Bear`s Breeches' Large glossy leaves. Tall, purple & white flower spikes in late summer. Height up to 1.5m Spread 90cm. Sun or part shade

ACANTHUS spinosus 

'Bear`s Breeches'. Large spiny leaves. Tall, purple & white flower spikes from late spring to midsummer. Height 1.5m Spread 90cm. Sun or part shade

ACHILLEA 'Moonshine' 

Light yellow flowerheads  above beautiful grey foliage from early summer to early autumn. Height and spread 2ft. Sun 
RHS Award of Garden Merit

Tight button-like double white flower heads from June to September. Height and spread 75cm. Sun 
RHS Award of Garden Merit

ACONITUM 'Sparks Variety'

'Monkshood'. Upright stems of very dark blue ‘hooded’ flowers in mid and late summer. Height 1.2m Spread 45cm Prefers part shade but will tolerate sun. Toxic if eaten 
RHS Award of Garden Merit

Dark purple deeply cut leaves and stems topped with elegant slender spires of cream flowers in early autumn. Does best in retentive soil. Part shade or sun . Height 1.2m spread 60cm

'Grand bellflower' A showy perennial with masses of blue bells in summer. Height 90cm Spread 45cm Sun or part shade.

Creeping semi-evergreen with purple leaves and spike-like blue flowers from spring to early summer. Height 15cm. Spread 45cm. Prefers part shade but tolerates sun. 
RHS Award of Garden Merit

Spikes of pink flowers contrast with the dark purple leaves from spring to early summer. Good ground cover. Height 15cm. Spread 45cm. Prefers part shade but tolerates sun. Evergreen

A pretty little plant making low mounds of silver edged leaves. Clusters of tiny, lime green flowers appear from early summer to early autumn. Sun or part shade. Height 40cm Spread 30cm

ALCHEMILLA mollis

‘Lady’s Mantle’ Clump forming perennial. Greenish yellow flowers from early summer to early autumn. Excellent ground cover. Good for cut flowers. Hardy. Sun or part shade. Height 60cm(24in) Spread 75cm(30in)  
RHS Award of Garden Merit

'Nodding Onion'. Mid- to deep pink nodding flowers in summer . Height 40cm . Sun 
RHS Award of Garden Merit

A fine dwarf species with deep violet-purple coloured hanging bell-shaped flowers in summer. Suitable for rockery, trough or raised bed. Height 20cm spread 5cm Sun.

Compact evergreen mound of tiny grey leaves smothered in little rose-pink flowers in June. Height 10in Spread 15in Sun 
RHS Award of Garden Merit

Heads of small star shaped blue flowers in summer. Neat and clump forming with narrow grey-green leaves. Height 50cm Spread 30cm Sun  

'Pearl Everlasting'. White woolly leaves and clusters of pearly white ‘everlasting’ daisies. Good for cutting and drying. Flowers from mid-summer to early autumn. Height and spread 60cm. Sun or part shade  
RHS Award of Garden Merit

Heads of intense, gentian-blue flowers are produced in summer. Height 90cm. Needs well drained soil in sun.

Numerous bright deep blue flowers in early summer Height 90 cm Spread 60cm Sun 
RHS Award of Garden Merit

Wood anemone with blue flowers in spring. Height and spread 15cm. Sun or part shade. 
RHS Award of Garden Merit  

Double pink flowers in late summer to early autumn. Height 60-90cm and spread 40cm. Sun or part shade 
RHS Award of Garden Merit

A much admired woodland perennial for partial shade or shady moist soils. Large pale lavender-blue flowers are produced from April to May. Height 15cm (6in) Spread 30cm (12in) Partial shade 
RHS Award of Garden Merit

Single white flowers in late summer to early autumn. Height 120cm Spread 60cm. Sun or part shade 
RHS Award of Garden Merit

Single pink flowers in late summer to early autumn. Height 3ft and spread 2ft. Sun or part shade

Semi-double white flowers from late summer to mid-autumn. Height 1.2m Spread 60cm. Sun or part shade

Creamy-yellow daisies appear endlessly from summer until the first frosts. Lovely grey ferny foliage. Sun Height 30-60cm spread 60-90cm

ANTHEMIS tinctoria 'E C Buxton'

Lemon-yellow daisies appear freely from summer until the first frosts. Flowers good for cutting. Height and spread 60cm Sun

ANTHEMIS tinctoria 'Sauce Hollandaise'

Very pale cream daisy flowers in summer. Height and spread 60cm. Sun.

Tall spikes of white lily-like flowers in late spring and early summer. Height 2-3 ft spread 1ft. Sun

Purple-brown leaves contrast lacy heads of white flowers which continue in succession for several weeks in early summer.  Easy in sun or shade. Height 75 cm

'Columbine'. Large flowers with spurs in a wide range of  colours, including combinations of white, blue, yellow, crimson and scarlet. Sun or partial shade.  Height 75cm Spread 60cm

Double pompom flowers in a mixture of pink, white and green. Height 75cm Spread 45cm. Sun or partial shade. 
RHS Award of Garden Merit

Mat forming plant covered in large pure white cup-shaped flowers in  late spring and early summer Sun. Height 5cm Spread 30cm 
RHS Award of Garden Merit

Sea Pink. Compact, deep rose-pink flowers on very short stems. Height 5cm Spread 15cm 
RHS Award of Garden Merit

Neat grassy hummocks covered with small drumheads of pure white flowers in midsummer. Ideal for rock garden, trough or well drained site. Sun. Height 15 cm Spread 25cm

Bright pink flowers on wiry stems over cushions of grassy foliage. Height 10cm Spread 20cm. Sun

ARTEMISIA lactiflora 'Guizhou Group' 

White Mugwort. Clump-forming perennial with purple-flushed green leaves and stems. Panicles of creamy white flowerheads. Height 1.4m. Spread 60cm. Flowers from August to October. Evergreen dark bronze/green foliage. Sun.

Clump-forming perennial grown for its beautiful foliage. Yellow flowers are produced in summer. Height 1.2m. Spread 60cm. Sun 
RHS Award of Garden Merit

Jacob's Rod. Star-like flowers of bright yellow. Height 90cm Sun

Prolific and long-lasting show of violet-purple daisy flowers in late summer and well into autumn. Compact variety. Attractive to bees and butterflies. Height and spread 45cm Sun. 
RHS Award of Garden Merit

ASTER novae-angliae 'Andenken an Alma Potsche'

Bright cherry-red daisy flowers in September and October. Height 90cm Spread 60cm. Sun or partial shade.
RHS Award of Garden Merit

Bright rose-pink flower-heads on strong tall stems make an impressive sight in early autumn. Needs little or no staking. Height 1.3m Spread 60cm Sun or partial shade.

Double, lilac-blue flowers are born over a tight hummock of leaves. Late summer to early autumn. Open site and good soil. Sun or part shade Height 30cm Spread 45cm

Panicles of red flowers above bronze foliage in summer. Sun or part shade. Retentive soil. Height 40cm Spread 60cm

Unusual late flowering astilbe. Fluffy rosy-mauve flowers in late summer. Height 1.2m Spread 75cm. Sun or part shade. Retentive soil.

Feathery spikes of small, shell-pink flowers in summer contrast wonderfully with the glossy dark green foliage. Height 30cm (12in) Spread 45cm (18in) Sun or part shade. Retentive soil. 
RHS Award of Garden Merit

Architectural plant suitable for a woodland garden or growing beside a pond or stream. Height 1.5m Spread 1.2m. Partial shade.

Large clusters of rich wine-red flowers are produced over a very long period in summer. Height 60cm spread 45cm Sun or partial shade. Hardy.

ASTRANTIA major

Green-veined white/pink pincushion flowerheads in early and midsummer. Will thrive in a woodland garden or sunny border. Height 60cm (2ft) spread 45cm (18in) Sun or partial shade. Hardy.

Large white green-veined pincushion flowerheads in early and midsummer. Will thrive in a woodland garden or sunny border. Height 60cm (2ft) spread 45cm (18in) Sun or partial shade. 
RHS Award of Garden Merit

ASTRANTIA maxima

Soft rose-pink flowerheads in early and midsummer. Height 60cm Spread 30cm Sun or partial shade.