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Penstemon Sour Grapes
A semi-evergreen perennial with lance-shaped leaves and bearing tubular purple-blue flowers over a long period in summer into autumn.
Penstemon White Bedder
Shorter variety with lance-shaped foliage and spikes of small, foxglove-like, white flowers throughout summer.
Persicaria affinis Superba
Soft spires of light pink flowers held on tall stalks above a mass of leaves.
Persicaria Blackfield
A clump-forming perennial with heart-shaped leaves producing narrow spikes of blood-red flowers, opening from black buds on long stalks from summer into autumn.
Persicaria Donald Lowndes
A mat-forming, semi-evergreen perennial with dark green, elliptic leaves, producing erect spikes of small pink flowers, darkening as they mature.
Phlomis russeliana
A vigorous, spreading perennial with dramatic, grey-green, heart-shaped leaves and bearing pale yellow, hooded flowers from May right through until September.
Phlox Clouds of Perfume
A semi-evergreen perennial bearing loose clusters of fragrant, pale blue flowers in early summer.
Phormium Gold Ray
An evergreen , clump-forming perennial with arching, sword-like green leaves with grey-green stripes and creamy-yellow margins, occasionally tinged orange.
Phormium Jester
A clump-forming, evergreen perennial with arching, strap-like leaves of pink with bright green margins.
Phormium Maori Maiden
A clump-forming, evergreen perennial with arching, pink, strap-shaped leaves with darker pink to red margins.
Phormium Pink Panther
An evergreen perennial with arching, strap-like pink leaves with deep-red edges.
Phormium Pink Stripe
An elegant variety with dark olive-green strappy leaves with distinctive pink stripes.
Phormium tenax Variegatum
A large, clump-forming perennial with arching, linear, green and cream striped leaves, in hot summers producing panicles of red flowers.
Phormium Tricolor
A clump-forming, evergreen perennial with arching, sword-like leaves, striped green and creamy-yellow with a thin red margin.
Phormium Yellow Wave
A clump-forming, evergreen perennial with arching, strap-like leaves of golden yellow margined green.
Polemonium Bressingham Purple
Clump-forming herbaceous perennial with attractive dark purple leaves. Produces large, single blue flowers from early to mid summer giving contrast to the dark stems and foliage.
Potentilla Monarch's Velvet
A clump-forming perennial with strawberry-like foliage and bearing rich, raspberry-red flowers in summer. A real beauty!
Potentilla Ron McBeath
Perennial producing cup-shaped raspberry-pink flowers made up of five heart-shaped petals with a dark red central flame and dark red veining above strawberry-like foliage.
Pulmonaria Trevi Fountain
A clump-forming perennial perfect for shady areas of the garden, with clumps of oval, green leaves with silver botches, producing drooping clusters of funnel-shaped, blue and purplish-pink flowers in spring.
Rudbeckia Goldsturm
A clump-forming herbaceous perennial with tall stems bearing golden yellow flowers with black centres in summer and into autumn.
Rudbeckia Little Goldstar
A compact form with an abundance of bright yellow flowers on shorter stems over a long period. A particularly noteworthy variety.
Rumex acetosa
A clump-forming perennial with edible, green leaves producing narrow panicles of red flowers in summer.
Salvia Amethyst
A dense, bushy perennial with aromatic foliage producing erect stems holding racemes of small, reddish-purple flowers in summer and early autumn.
Salvia Amethyst Lips
A sub-shrub with aromatic, evergreen leaves, producing whorled spikes of purple and white flowers in summer and early autumn.
Salvia Amistad
A tall, upright perennial with bright green, slender, aromatic leaves producing masses of large, deep purple, tubular flowers from summer into autumn.
Salvia argentea
A biennial or short-lived perennial forming a rosette of silvery-woolly leaves to 20cm in length with erect stems bearing panicles of blush white flower sin late summer.
Salvia Blue Queen
An upright and clump-forming perennial with lance-shaped, hairy green leaves producing spikes of violet-blue flowers in summer.
Salvia Caradonna
A wonderful cultivar of ornamental sage with erect stems bearing masses of small, violet-blue flowers throughout summer and into autumn.
Salvia Cherry Lips
A bushy, evergreen perennial with aromatic foliage producing flowers opening reddish pink then becoming pink and white as they mature.
Salvia East Friesland
A clump-forming herbaceous perennial with intensely violet-blue flowers in summer and aromatic foliage.
Salvia Hot Lips
A bushy perennial with aromatic foliage producing stunning bright lipstick-red and white flowers throughout the summer and into autumn.
Salvia Icing Sugar
A really attractive cultivar producing racemes of bicolour, pink and pale lilac flowers with purple calyces in summer and early autumn.
Salvia Kisses and Wishes
A tall and elegant perennial with elongated tubular pink flowers with darker streaks throughout the summer and into autumn.
Salvia Love and Wishes
An upright perennial with aromatic foliage producing masses of reddish-purple flowers from summer into autumn.
Salvia Mainacht
A compact, herbaceous perennial with deep green, aromatic foliage and bearing racemes of deep violet-blue flowers in summer.
Salvia Purple Rain
An upright herbaceous perennial with softly hairy leaves and bearing erect spikes of reddish-purple flowers on reddish stems over a long period throughout the summer.
Salvia Royal Bumble
A lovely variety with bright cherry red flowers on purple-flushed stems in late summer. Best grown in plenty of light but with shelter from the hot sun.
Salvia Schneehugel
A short-growing perennial with short, upright spikes of white flowers in summer with green bracts in summer.
Salvia Violette de Loire
An upright, semi-evergreen perennial with aromatic foliage producing reddish-purple to deep magenta flowers in summer and early autumn.
Salvia Wendy's Wish
A lovely perennial with red stems and aromatic, pale, olive-green leaves, producing an abundance of citrus-scented rich-pink flowers from midsummer into autumn.
Sedum Autumn Joy
Perennial with succulent, lettuce-like foliage and bearing dense clusters of pink flowers in late summer and early autumn.
Sedum Coca-cola
A trailing, succulent perennial with purple-flushed stems and grey-green leaves with dense clusters of bright pink flowers in late summer and early autumn.
Sedum Matrona
An upright perennial with large, grey-green leaves with purple tinges near the edges, producing dense clusters of pale pink flowers in summer and early autumn.
Sedum Purple Emperor
A compact, clump-forming perennial with broad, deep purple, fleshy foliage, producing clusters of small, pale purple-pink flowers in late summer and into autumn.
Sedum spectabile
A succulent perennial with broadly-elliptic, grey-green leaves producing flattened clusters of star-shaped, pink flowers in late summer.
Selinum wallichianum
A clump-forming perennial with erect, purple-red stems and bearing umbels of tiny white flowers from summer into autumn above attractive, lacy foliage.